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Add SM4 commands in gmssl CLI

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This commit is contained in:
Zhi Guan
2024-05-11 18:10:24 +08:00
parent 2c125fbaa5
commit 58340393b1
19 changed files with 1895 additions and 113 deletions
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7
CMakeLists.txt
View File

@@ -93,7 +93,14 @@ set(tools
tools/gmssl.c
tools/version.c
tools/sm4.c
tools/sm4_ecb.c
tools/sm4_cbc.c
tools/sm4_ctr.c
tools/sm4_cfb.c
tools/sm4_ofb.c
tools/sm4_gcm.c
tools/sm4_cbc_sm3_hmac.c
tools/sm4_ctr_sm3_hmac.c
tools/sm3.c
tools/sm3hmac.c
tools/sm3xmss_keygen.c

5
include/gmssl/sm4.h
View File

@@ -219,8 +219,9 @@ _gmssl_export int sm4_cfb_decrypt_finish(SM4_CFB_CTX *ctx, uint8_t *out, size_t
#ifdef ENABLE_SM4_CCM
#define SM4_CCM_MIN_IV_SIZE 7
#define SM4_CCM_MAX_IV_SIZE 13
#define SM4_CCM_MIN_MAC_SIZE 4
#define SM4_CCM_MAX_MAC_SIZE 16
#define SM4_CCM_MIN_TAG_SIZE 4
#define SM4_CCM_MAX_TAG_SIZE 16
#define SM4_CCM_DEFAULT_TAG_SIZE 16
// make sure inlen < 2^((15 - ivlen) * 8)
_gmssl_export int sm4_ccm_encrypt(const SM4_KEY *sm4_key, const uint8_t *iv, size_t ivlen,

4
include/gmssl/sm4_cbc_sm3_hmac.h
View File

@@ -32,14 +32,14 @@ typedef struct {
#define SM4_CBC_SM3_HMAC_IV_SIZE 16
_gmssl_export int sm4_cbc_sm3_hmac_encrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen);
_gmssl_export int sm4_cbc_sm3_hmac_encrypt_update(SM4_CBC_SM3_HMAC_CTX *ctx,
const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
_gmssl_export int sm4_cbc_sm3_hmac_encrypt_finish(SM4_CBC_SM3_HMAC_CTX *ctx,
uint8_t *out, size_t *outlen);
_gmssl_export int sm4_cbc_sm3_hmac_decrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen);
_gmssl_export int sm4_cbc_sm3_hmac_decrypt_update(SM4_CBC_SM3_HMAC_CTX *ctx,
const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);

4
include/gmssl/sm4_ctr_sm3_hmac.h
View File

@@ -32,14 +32,14 @@ typedef struct {
#define SM4_CTR_SM3_HMAC_IV_SIZE 16
_gmssl_export int sm4_ctr_sm3_hmac_encrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen);
_gmssl_export int sm4_ctr_sm3_hmac_encrypt_update(SM4_CTR_SM3_HMAC_CTX *ctx,
const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
_gmssl_export int sm4_ctr_sm3_hmac_encrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx,
uint8_t *out, size_t *outlen);
_gmssl_export int sm4_ctr_sm3_hmac_decrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen);
_gmssl_export int sm4_ctr_sm3_hmac_decrypt_update(SM4_CTR_SM3_HMAC_CTX *ctx,
const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);

12
src/sm4_cbc_sm3_hmac.c
View File

@@ -17,17 +17,13 @@
int sm4_cbc_sm3_hmac_encrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen)
{
if (!ctx || !key || !iv || (!aad && aadlen)) {
error_print();
return -1;
}
if (keylen != 48 || ivlen != 16) {
error_print();
return -1;
}
memset(ctx, 0, sizeof(*ctx));
if (sm4_cbc_encrypt_init(&ctx->enc_ctx, key, iv) != 1) {
error_print();
@@ -71,17 +67,13 @@ int sm4_cbc_sm3_hmac_encrypt_finish(SM4_CBC_SM3_HMAC_CTX *ctx, uint8_t *out, siz
}
int sm4_cbc_sm3_hmac_decrypt_init(SM4_CBC_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen)
{
if (!ctx || !key || !iv || (!aad && aadlen)) {
error_print();
return -1;
}
if (keylen != 48 || ivlen != 16) {
error_print();
return -1;
}
memset(ctx, 0, sizeof(*ctx));
if (sm4_cbc_decrypt_init(&ctx->enc_ctx, key, iv) != 1) {
error_print();

12
src/sm4_ctr_sm3_hmac.c
View File

@@ -17,17 +17,13 @@
int sm4_ctr_sm3_hmac_encrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen)
{
if (!ctx || !key || !iv || (!aad && aadlen)) {
error_print();
return -1;
}
if (keylen != 48 || ivlen != 16) {
error_print();
return -1;
}
memset(ctx, 0, sizeof(*ctx));
if (sm4_ctr_encrypt_init(&ctx->enc_ctx, key, iv) != 1) {
error_print();
@@ -71,17 +67,13 @@ int sm4_ctr_sm3_hmac_encrypt_finish(SM4_CTR_SM3_HMAC_CTX *ctx, uint8_t *out, siz
}
int sm4_ctr_sm3_hmac_decrypt_init(SM4_CTR_SM3_HMAC_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t key[48], const uint8_t iv[16],
const uint8_t *aad, size_t aadlen)
{
if (!ctx || !key || !iv || (!aad && aadlen)) {
error_print();
return -1;
}
if (keylen != 48 || ivlen != 16) {
error_print();
return -1;
}
memset(ctx, 0, sizeof(*ctx));
if (sm4_ctr_encrypt_init(&ctx->enc_ctx, key, iv) != 1) {
error_print();

4
tests/sm4_ccmtest.c
View File

@@ -31,8 +31,8 @@ static int test_sm4_ccm(void)
size_t len[] = { 4, 16, 36, 64 };
uint8_t encrypted[sizeof(plaintext)];
uint8_t decrypted[sizeof(plaintext)];
uint8_t mac[SM4_CCM_MAX_MAC_SIZE];
size_t maclen[] = { SM4_CCM_MIN_MAC_SIZE, SM4_CCM_MAX_MAC_SIZE };
uint8_t mac[SM4_CCM_MAX_TAG_SIZE];
size_t maclen[] = { SM4_CCM_MIN_TAG_SIZE, SM4_CCM_MAX_TAG_SIZE };
size_t i;
rand_bytes(key, sizeof(key));

8
tests/sm4_sm3_hmactest.c
View File

@@ -43,7 +43,7 @@ static int test_sm4_cbc_sm3_hmac(void)
rand_bytes(aad, sizeof(aad));
rand_bytes(plain, plainlen);
if (sm4_cbc_sm3_hmac_encrypt_init(&aead_ctx, key, sizeof(key), iv, sizeof(iv), aad, sizeof(aad)) != 1) {
if (sm4_cbc_sm3_hmac_encrypt_init(&aead_ctx, key, iv, aad, sizeof(aad)) != 1) {
error_print();
return -1;
}
@@ -100,7 +100,7 @@ static int test_sm4_cbc_sm3_hmac(void)
in = cipher;
out = buf;
if (sm4_cbc_sm3_hmac_decrypt_init(&aead_ctx, key, sizeof(key), iv, sizeof(iv), aad, sizeof(aad)) != 1) {
if (sm4_cbc_sm3_hmac_decrypt_init(&aead_ctx, key, iv, aad, sizeof(aad)) != 1) {
error_print();
return -1;
}
@@ -162,7 +162,7 @@ static int test_sm4_ctr_sm3_hmac(void)
rand_bytes(aad, sizeof(aad));
rand_bytes(plain, plainlen);
if (sm4_ctr_sm3_hmac_encrypt_init(&aead_ctx, key, sizeof(key), iv, sizeof(iv), aad, sizeof(aad)) != 1) {
if (sm4_ctr_sm3_hmac_encrypt_init(&aead_ctx, key, iv, aad, sizeof(aad)) != 1) {
error_print();
return -1;
}
@@ -221,7 +221,7 @@ static int test_sm4_ctr_sm3_hmac(void)
in = cipher;
out = buf;
if (sm4_ctr_sm3_hmac_decrypt_init(&aead_ctx, key, sizeof(key), iv, sizeof(iv), aad, sizeof(aad)) != 1) {
if (sm4_ctr_sm3_hmac_decrypt_init(&aead_ctx, key, iv, aad, sizeof(aad)) != 1) {
error_print();
return -1;
}

118
tools/gmssl.c
View File

@@ -36,7 +36,14 @@ extern int sm3_main(int argc, char **argv);
extern int sm3hmac_main(int argc, char **argv);
extern int sm3xmss_keygen_main(int argc, char **argv);
extern int sm4_main(int argc, char **argv);
extern int sm4_ecb_main(int argc, char **argv);
extern int sm4_cbc_main(int argc, char **argv);
extern int sm4_ctr_main(int argc, char **argv);
extern int sm4_cfb_main(int argc, char **argv);
extern int sm4_ofb_main(int argc, char **argv);
extern int sm4_gcm_main(int argc, char **argv);
extern int sm4_cbc_sm3_hmac_main(int argc, char **argv);
extern int sm4_ctr_sm3_hmac_main(int argc, char **argv);
extern int zuc_main(int argc, char **argv);
extern int sm9setup_main(int argc, char **argv);
extern int sm9keygen_main(int argc, char **argv);
@@ -67,55 +74,62 @@ static const char *options =
"command -help\n"
"\n"
"Commands:\n"
" help Print this help message\n"
" version Print version\n"
" rand Generate random bytes\n"
" sm2keygen Generate SM2 keypair\n"
" sm2sign Generate SM2 signature\n"
" sm2verify Verify SM2 signature\n"
" sm2encrypt Encrypt with SM2 public key\n"
" sm2decrypt Decrypt with SM2 private key\n"
" sm3 Generate SM3 hash\n"
" sm3hmac Generate SM3 HMAC tag\n"
" sm3xmss_keygen Generate SM3-XMSS keypair\n"
" sm4 Encrypt or decrypt with SM4\n"
" sm4_ctr Encrypt or decrypt with SM4 CTR\n"
" zuc Encrypt or decrypt with ZUC\n"
" sm9setup Generate SM9 master secret\n"
" sm9keygen Generate SM9 private key\n"
" sm9sign Generate SM9 signature\n"
" sm9verify Verify SM9 signature\n"
" sm9encrypt SM9 public key encryption\n"
" sm9decrypt SM9 decryption\n"
" pbkdf2 Generate key from password\n"
" reqgen Generate certificate signing request (CSR)\n"
" reqsign Generate certificate from CSR\n"
" reqparse Parse and print a CSR\n"
" crlget Download the CRL of given certificate\n"
" crlgen Sign a CRL with CA certificate and private key\n"
" crlverify Verify a CRL with issuer's certificate\n"
" crlparse Parse and print CRL\n"
" certgen Generate a self-signed certificate\n"
" certparse Parse and print certificates\n"
" certverify Verify certificate chain\n"
" certrevoke Revoke certificate and output RevokedCertificate record\n"
" cmsparse Parse CMS (cryptographic message syntax) file\n"
" cmsencrypt Generate CMS EnvelopedData\n"
" cmsdecrypt Decrypt CMS EnvelopedData\n"
" cmssign Generate CMS SignedData\n"
" cmsverify Verify CMS SignedData\n"
" help Print this help message\n"
" version Print version\n"
" rand Generate random bytes\n"
" sm2keygen Generate SM2 keypair\n"
" sm2sign Generate SM2 signature\n"
" sm2verify Verify SM2 signature\n"
" sm2encrypt Encrypt with SM2 public key\n"
" sm2decrypt Decrypt with SM2 private key\n"
" sm3 Generate SM3 hash\n"
" sm3hmac Generate SM3 HMAC tag\n"
" sm3xmss_keygen Generate SM3-XMSS keypair\n"
" sm4 Encrypt or decrypt with SM4\n"
" sm4_ecb Encrypt or decrypt with SM4 ECB\n"
" sm4_cbc Encrypt or decrypt with SM4 CBC\n"
" sm4_ctr Encrypt or decrypt with SM4 CTR\n"
" sm4_cfb Encrypt or decrypt with SM4 CFB\n"
" sm4_ofb Encrypt or decrypt with SM4 OFB\n"
" sm4_gcm Encrypt or decrypt with SM4 GCM\n"
" sm4_cbc_sm3_hmac Encrypt or decrypt with SM4 CBC with SM3-HMAC\n"
" sm4_ctr_sm3_hmac Encrypt or decrypt with SM4 CTR with SM3-HMAC\n"
" zuc Encrypt or decrypt with ZUC\n"
" sm9setup Generate SM9 master secret\n"
" sm9keygen Generate SM9 private key\n"
" sm9sign Generate SM9 signature\n"
" sm9verify Verify SM9 signature\n"
" sm9encrypt SM9 public key encryption\n"
" sm9decrypt SM9 decryption\n"
" pbkdf2 Generate key from password\n"
" reqgen Generate certificate signing request (CSR)\n"
" reqsign Generate certificate from CSR\n"
" reqparse Parse and print a CSR\n"
" crlget Download the CRL of given certificate\n"
" crlgen Sign a CRL with CA certificate and private key\n"
" crlverify Verify a CRL with issuer's certificate\n"
" crlparse Parse and print CRL\n"
" certgen Generate a self-signed certificate\n"
" certparse Parse and print certificates\n"
" certverify Verify certificate chain\n"
" certrevoke Revoke certificate and output RevokedCertificate record\n"
" cmsparse Parse CMS (cryptographic message syntax) file\n"
" cmsencrypt Generate CMS EnvelopedData\n"
" cmsdecrypt Decrypt CMS EnvelopedData\n"
" cmssign Generate CMS SignedData\n"
" cmsverify Verify CMS SignedData\n"
#ifdef ENABLE_SDF
" sdfutil SDF crypto device utility\n"
" sdfutil SDF crypto device utility\n"
#endif
#ifdef ENABLE_SKF
" skfutil SKF crypto device utility\n"
" skfutil SKF crypto device utility\n"
#endif
" tlcp_client TLCP client\n"
" tlcp_server TLCP server\n"
" tls12_client TLS 1.2 client\n"
" tls12_server TLS 1.2 server\n"
" tls13_client TLS 1.3 client\n"
" tls13_server TLS 1.3 server\n"
" tlcp_client TLCP client\n"
" tlcp_server TLCP server\n"
" tls12_client TLS 1.2 client\n"
" tls12_server TLS 1.2 server\n"
" tls13_client TLS 1.3 client\n"
" tls13_server TLS 1.3 server\n"
"\n"
"run `gmssl <command> -help` to print help of the given command\n"
"\n";
@@ -184,8 +198,22 @@ int main(int argc, char **argv)
return sm3xmss_keygen_main(argc, argv);
} else if (!strcmp(*argv, "sm4")) {
return sm4_main(argc, argv);
} else if (!strcmp(*argv, "sm4_ecb")) {
return sm4_ecb_main(argc, argv);
} else if (!strcmp(*argv, "sm4_cbc")) {
return sm4_cbc_main(argc, argv);
} else if (!strcmp(*argv, "sm4_ctr")) {
return sm4_ctr_main(argc, argv);
} else if (!strcmp(*argv, "sm4_cfb")) {
return sm4_cfb_main(argc, argv);
} else if (!strcmp(*argv, "sm4_ofb")) {
return sm4_ofb_main(argc, argv);
} else if (!strcmp(*argv, "sm4_gcm")) {
return sm4_gcm_main(argc, argv);
} else if (!strcmp(*argv, "sm4_cbc_sm3_hmac")) {
return sm4_cbc_sm3_hmac_main(argc, argv);
} else if (!strcmp(*argv, "sm4_ctr_sm3_hmac")) {
return sm4_ctr_sm3_hmac_main(argc, argv);
} else if (!strcmp(*argv, "zuc")) {
return zuc_main(argc, argv);
} else if (!strcmp(*argv, "sm9setup")) {

12
tools/sm4.c
View File

@@ -111,9 +111,9 @@ static int sm4_ccm_crypt(const uint8_t *key, size_t keylen, const uint8_t *iv, s
prog, SM4_CCM_MIN_IV_SIZE, SM4_CCM_MAX_IV_SIZE);
return -1;
}
if (taglen < SM4_CCM_MIN_MAC_SIZE || taglen > SM4_CCM_MAX_MAC_SIZE) {
if (taglen < SM4_CCM_MIN_TAG_SIZE || taglen > SM4_CCM_MAX_TAG_SIZE) {
fprintf(stderr, "%s: invalid SM4-CCM MAC tag length, should be in [%d, %d]\n",
prog, SM4_CCM_MIN_MAC_SIZE, SM4_CCM_MAX_MAC_SIZE);
prog, SM4_CCM_MIN_TAG_SIZE, SM4_CCM_MAX_TAG_SIZE);
return -1;
}
if (enc < 0) {
@@ -585,8 +585,8 @@ bad:
case SM4_MODE_XTS: rv = sm4_xts_encrypt_init(&sm4_ctx.xts, key, iv, xts_data_unit_size); break;
#endif
case SM4_MODE_GCM: rv = sm4_gcm_encrypt_init(&sm4_ctx.gcm, key, keylen, iv, ivlen, aad, aadlen, GHASH_SIZE); break;
case SM4_MODE_CBC_SM3_HMAC: rv = sm4_cbc_sm3_hmac_encrypt_init(&sm4_ctx.cbc_sm3_hmac, key, keylen, iv, ivlen, aad, aadlen); break;
case SM4_MODE_CTR_SM3_HMAC: rv = sm4_ctr_sm3_hmac_encrypt_init(&sm4_ctx.ctr_sm3_hmac, key, keylen, iv, ivlen, aad, aadlen); break;
case SM4_MODE_CBC_SM3_HMAC: rv = sm4_cbc_sm3_hmac_encrypt_init(&sm4_ctx.cbc_sm3_hmac, key, iv, aad, aadlen); break;
case SM4_MODE_CTR_SM3_HMAC: rv = sm4_ctr_sm3_hmac_encrypt_init(&sm4_ctx.ctr_sm3_hmac, key, iv, aad, aadlen); break;
}
if (rv != 1) {
error_print();
@@ -665,8 +665,8 @@ bad:
case SM4_MODE_XTS: rv = sm4_xts_decrypt_init(&sm4_ctx.xts, key, iv, xts_data_unit_size); break;
#endif
case SM4_MODE_GCM: rv = sm4_gcm_decrypt_init(&sm4_ctx.gcm, key, keylen, iv, ivlen, aad, aadlen, GHASH_SIZE); break;
case SM4_MODE_CBC_SM3_HMAC: rv = sm4_cbc_sm3_hmac_decrypt_init(&sm4_ctx.cbc_sm3_hmac, key, keylen, iv, ivlen, aad, aadlen); break;
case SM4_MODE_CTR_SM3_HMAC: rv = sm4_ctr_sm3_hmac_decrypt_init(&sm4_ctx.ctr_sm3_hmac, key, keylen, iv, ivlen, aad, aadlen); break;
case SM4_MODE_CBC_SM3_HMAC: rv = sm4_cbc_sm3_hmac_decrypt_init(&sm4_ctx.cbc_sm3_hmac, key, iv, aad, aadlen); break;
case SM4_MODE_CTR_SM3_HMAC: rv = sm4_ctr_sm3_hmac_decrypt_init(&sm4_ctx.ctr_sm3_hmac, key, iv, aad, aadlen); break;
}
if (rv != 1) {
error_print();

203
tools/sm4_cbc.c Executable file
View File

@@ -0,0 +1,203 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "{-encrypt|-decrypt} -key hex -iv hex [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format\n"
" -iv hex IV in HEX format\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_cbc -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
"\n";
int sm4_cbc_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_CBC_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) != sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (enc) {
if (sm4_cbc_encrypt_init(&ctx, key, iv) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cbc_decrypt_init(&ctx, key, iv) != 1) {
error_print();
goto end;
}
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (enc) {
if (sm4_cbc_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cbc_decrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (enc) {
if (sm4_cbc_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cbc_decrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

231
tools/sm4_cbc_sm3_hmac.c Executable file
View File

@@ -0,0 +1,231 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4_cbc_sm3_hmac.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "{-encrypt|-decrypt} -key hex -iv hex [-aad str| -aad_hex hex] [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format, 48 bytes\n"
" -iv hex IV in HEX format, 16 bytes\n"
" -aad str Authenticated-only message\n"
" -aad_hex hex Authenticated-only data in HEX format\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_cbc_sm3_hmac -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
" gmssl sm4_cbc_sm3_hmac -decrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -in ciphertext.bin\n"
"\n";
int sm4_cbc_sm3_hmac_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
uint8_t *aad = NULL;
uint8_t *aad_buf = NULL;
size_t aadlen = 0;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[48];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_CBC_SM3_HMAC_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length, should be %d bytes\n", prog, SM4_CBC_SM3_HMAC_KEY_SIZE);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits, should be %d bytes\n", prog, SM4_CBC_SM3_HMAC_IV_SIZE);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) != sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-aad")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
aadlen = strlen((char *)aad);
} else if (!strcmp(*argv, "-aad_hex")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
if (!(aad_buf = malloc(strlen((char *)aad)/2 + 1))) {
fprintf(stderr, "gmssl %s: malloc failure\n", prog);
goto end;
}
if (hex_to_bytes((char *)aad, strlen((char *)aad), aad_buf, &aadlen) != 1) {
fprintf(stderr, "gmssl %s: `-aad_hex` invalid HEX format argument\n", prog);
goto end;
}
aad = aad_buf;
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (enc) {
if (sm4_cbc_sm3_hmac_encrypt_init(&ctx, key, iv, aad, aadlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cbc_sm3_hmac_decrypt_init(&ctx, key, iv, aad, aadlen) != 1) {
error_print();
goto end;
}
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (enc) {
if (sm4_cbc_sm3_hmac_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cbc_sm3_hmac_decrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (enc) {
if (sm4_cbc_sm3_hmac_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cbc_sm3_hmac_decrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

300
tools/sm4_ccm.c Executable file
View File

@@ -0,0 +1,300 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
// 这个要对照sm4.c中的再修改一下
static const char *usage = "{-encrypt|-decrypt} -key hex -iv hex [-aad str| -aad_hex hex] [-taglen num] [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format\n"
" -iv hex IV in HEX format, 7 to 13 bytes\n"
" -aad str Authenticated-only message\n"
" -aad_hex hex Authenticated-only data in HEX format\n"
" -taglen num MAC tag length, 4 to 16 bytes\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_ccm -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
" gmssl sm4_ccm -decrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -in ciphertext.bin\n"
"\n";
static uint8_t *read_content(FILE *infp, size_t *outlen, const char *prog)
{
const size_t INITIAL_BUFFER_SIZE = 4096;
const size_t MAX_BUFFER_SIZE = 512 * 1024 * 1024;
uint8_t *buffer = NULL;
size_t buffer_size = INITIAL_BUFFER_SIZE;
size_t total_read = 0;
if (!(buffer = (uint8_t *)malloc(INITIAL_BUFFER_SIZE))) {
fprintf(stderr, "%s: malloc failure\n", prog);
return NULL;
}
while (1) {
size_t bytes_read;
if (total_read == buffer_size) {
uint8_t *new_buffer;
if (buffer_size >= MAX_BUFFER_SIZE) {
fprintf(stderr, "%s: input too long, should be less than %zu\n", prog, MAX_BUFFER_SIZE);
free(buffer);
return NULL;
}
buffer_size = buffer_size * 2;
if (buffer_size > MAX_BUFFER_SIZE) {
buffer_size = MAX_BUFFER_SIZE;
}
if (!(new_buffer = (uint8_t *)realloc(buffer, buffer_size))) {
fprintf(stderr, "%s: realloc failure\n", prog);
free(buffer);
return NULL;
}
buffer = new_buffer;
}
bytes_read = fread(buffer + total_read, 1, buffer_size - total_read, infp);
total_read += bytes_read;
if (feof(infp)) {
break;
}
if (ferror(infp)) {
fprintf(stderr, "%s: fread error\n", prog);
perror("error reading input");
free(buffer);
return NULL;
}
}
*outlen = total_read;
return buffer;
}
int sm4_ccm_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
uint8_t *aad = NULL;
uint8_t *aad_buf = NULL;
size_t aadlen = 0;
int taglen = SM4_CCM_DEFAULT_MAC_SIZE;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[SM4_CCM_MAX_IV_SIZE];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_KEY sm4_key;
uint8_t buf[4096]; // CCM不是update 模式的，因此输出可能比输入长
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) > sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
if (ivlen < SM4_CCM_MIN_IV_SIZE || ivlen > SM4_CCM_MAX_IV_SIZE) {
fprintf(stderr, "gmssl %s invalid IV length\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-aad")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
aadlen = strlen((char *)aad);
} else if (!strcmp(*argv, "-aad_hex")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
if (!(aad_buf = malloc(strlen((char *)aad)/2 + 1))) {
fprintf(stderr, "gmssl %s: malloc failure\n", prog);
goto end;
}
if (hex_to_bytes((char *)aad, strlen((char *)aad), aad_buf, &aadlen) != 1) {
fprintf(stderr, "gmssl %s: `-aad_hex` invalid HEX format argument\n", prog);
goto end;
}
aad = aad_buf;
} else if (!strcmp(*argv, "-taglen")) {
if (--argc < 1) goto bad;
taglen = atoi(*(++argv));
if (taglen < SM4_CCM_MIN_MAC_SIZE || taglen > SM4_CCM_MAX_MAC_SIZE) {
fprintf(stderr, "%s: `-taglen` invalid integer argument\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
sm4_set_encrypt_key(&sm4_key, key);
if (!(inbuf = read_content(infp, &inlen, prog))) {
goto end;
}
if (enc) {
outlen = inlen + taglen;
if (!(outbuf = (uint8_t *)malloc(outlen))) {
fprintf(stderr, "%s: malloc failure\n", prog);
goto end;
}
tag = outbuf + inlen;
if (sm4_ccm_encrypt(&sm4_key, iv, ivlen, aad, aadlen, inbuf, inlen, outbuf, taglen, tag) != 1) {
error_print();
goto end;
}
} else {
if (inlen < taglen) {
fprintf(stderr, "%s: input length (%zu bytes) shorter than tag length (%zu bytes)\n",
prog, inlen, taglen);
goto end;
}
outlen = inlen - taglen;
tag = inbuf + inlen - taglen;
if (!(outbuf = (uint8_t *)malloc(outlen))) {
fprintf(stderr, "%s: malloc failure\n", prog);
goto end;
}
if (sm4_ccm_decrypt(&sm4_key, iv, ivlen, aad, aadlen, inbuf, inlen - taglen,
tag, taglen, outbuf) != 1) {
error_print();
goto end;
}
}
if (fwrite(outbuf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "%s: fwrite error\n", prog);
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

203
tools/sm4_cfb.c Executable file
View File

@@ -0,0 +1,203 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "{-encrypt|-decrypt} -key hex -iv hex [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format\n"
" -iv hex IV in HEX format\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_cfb -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
"\n";
int sm4_cfb_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_CFB_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) != sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (enc) {
if (sm4_cfb_encrypt_init(&ctx, 16, key, iv) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cfb_decrypt_init(&ctx, 16, key, iv) != 1) {
error_print();
goto end;
}
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (enc) {
if (sm4_cfb_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cfb_decrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (enc) {
if (sm4_cfb_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_cfb_decrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

56
tools/sm4_ctr.c
View File

@@ -18,7 +18,7 @@
#include <gmssl/error.h>
static const char *usage = "-key hex -iv hex [-in file] [-out file]";
static const char *usage = "[-encrypt|-decrypt] -key hex -iv hex [-in file] [-out file]";
static const char *options =
"Options\n"
@@ -43,25 +43,22 @@ int sm4_ctr_main(int argc, char **argv)
char *ivhex = NULL;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_CTR_CTX ctx;
uint8_t inbuf[4096];
uint8_t buf[4096];
size_t inlen;
uint8_t outbuf[4096]; // should sizeof(outbuf) > sizeof(inbuf) ?
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: %s %s\n", prog, usage);
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
@@ -71,51 +68,51 @@ int sm4_ctr_main(int argc, char **argv)
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
// ignore this option
} else if (!strcmp(*argv, "-decrypt")) {
// ignore this option
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "%s: invalid key length\n", prog);
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "%s: invalid key hex digits\n", prog);
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) != sizeof(iv) * 2) {
fprintf(stderr, "%s: invalid IV length\n", prog);
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "%s: invalid IV hex digits\n", prog);
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-encrypt")) {
// ignore this option
} else if (!strcmp(*argv, "-decrypt")) {
// ignore this option
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, infile, strerror(errno));
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "%s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "%s: illegal option `%s`\n", prog, *argv);
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "%s: `%s` option value missing\n", prog, *argv);
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
@@ -124,11 +121,11 @@ bad:
}
if (!keyhex) {
fprintf(stderr, "%s: option `-key` missing\n", prog);
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "%s: option `-iv` missing\n", prog);
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
@@ -137,23 +134,23 @@ bad:
goto end;
}
while ((inlen = fread(inbuf, 1, sizeof(inbuf), infp)) > 0) {
if (sm4_ctr_encrypt_update(&ctx, inbuf, inlen, outbuf, &outlen) != 1) {
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (sm4_ctr_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
if (fwrite(outbuf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "%s: output failure : %s\n", prog, strerror(errno));
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (sm4_ctr_encrypt_finish(&ctx, outbuf, &outlen) != 1) {
if (sm4_ctr_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
if (fwrite(outbuf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "%s: output failure : %s\n", prog, strerror(errno));
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
@@ -162,10 +159,9 @@ bad:
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(inbuf, sizeof(inbuf));
gmssl_secure_clear(outbuf, sizeof(outbuf));
return ret;
}

231
tools/sm4_ctr_sm3_hmac.c Executable file
View File

@@ -0,0 +1,231 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4_ctr_sm3_hmac.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "{-encrypt|-decrypt} -key hex -iv hex [-aad str| -aad_hex hex] [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format, 48 bytes\n"
" -iv hex IV in HEX format, 16 bytes\n"
" -aad str Authenticated-only message\n"
" -aad_hex hex Authenticated-only data in HEX format\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_ctr_sm3_hmac -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
" gmssl sm4_ctr_sm3_hmac -decrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -in ciphertext.bin\n"
"\n";
int sm4_ctr_sm3_hmac_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
uint8_t *aad = NULL;
uint8_t *aad_buf = NULL;
size_t aadlen = 0;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[48];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_CTR_SM3_HMAC_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length, should be %d bytes\n", prog, SM4_CTR_SM3_HMAC_KEY_SIZE);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits, should be %d bytes\n", prog, SM4_CTR_SM3_HMAC_IV_SIZE);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) != sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-aad")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
aadlen = strlen((char *)aad);
} else if (!strcmp(*argv, "-aad_hex")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
if (!(aad_buf = malloc(strlen((char *)aad)/2 + 1))) {
fprintf(stderr, "gmssl %s: malloc failure\n", prog);
goto end;
}
if (hex_to_bytes((char *)aad, strlen((char *)aad), aad_buf, &aadlen) != 1) {
fprintf(stderr, "gmssl %s: `-aad_hex` invalid HEX format argument\n", prog);
goto end;
}
aad = aad_buf;
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (enc) {
if (sm4_ctr_sm3_hmac_encrypt_init(&ctx, key, iv, aad, aadlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_ctr_sm3_hmac_decrypt_init(&ctx, key, iv, aad, aadlen) != 1) {
error_print();
goto end;
}
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (enc) {
if (sm4_ctr_sm3_hmac_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_ctr_sm3_hmac_decrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (enc) {
if (sm4_ctr_sm3_hmac_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_ctr_sm3_hmac_decrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

191
tools/sm4_ecb.c Executable file
View File

@@ -0,0 +1,191 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "{-encrypt|-decrypt} -key hex [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_ecb -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
"\n";
int sm4_ecb_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_ECB_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (enc) {
if (sm4_ecb_encrypt_init(&ctx, key) != 1) {
error_print();
goto end;
}
} else {
if (sm4_ecb_decrypt_init(&ctx, key) != 1) {
error_print();
goto end;
}
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (enc) {
if (sm4_ecb_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_ecb_decrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (enc) {
if (sm4_ecb_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_ecb_decrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

240
tools/sm4_gcm.c Executable file
View File

@@ -0,0 +1,240 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "{-encrypt|-decrypt} -key hex -iv hex [-aad str| -aad_hex hex] [-taglen num] [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format\n"
" -iv hex IV in HEX format, 12 bytes (24 hex digits) is recommended\n"
" -aad str Authenticated-only message\n"
" -aad_hex hex Authenticated-only data in HEX format\n"
" -taglen num MAC tag length, default 16 bytes\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_gcm -encrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
" gmssl sm4_gcm -decrypt -key 11223344556677881122334455667788 -iv 112233445566778811223344 -in ciphertext.bin\n"
"\n";
int sm4_gcm_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
int enc = -1;
char *keyhex = NULL;
char *ivhex = NULL;
uint8_t *aad = NULL;
uint8_t *aad_buf = NULL;
size_t aadlen = 0;
int taglen = SM4_GCM_DEFAULT_TAG_SIZE;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[SM4_GCM_MAX_IV_SIZE];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_GCM_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
if (enc == 0) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 1;
} else if (!strcmp(*argv, "-decrypt")) {
if (enc == 1) {
fprintf(stderr, "gmssl %s: `-encrypt` `-decrypt` should not be used together\n", prog);
goto end;
}
enc = 0;
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) > sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-aad")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
aadlen = strlen((char *)aad);
} else if (!strcmp(*argv, "-aad_hex")) {
if (--argc < 1) goto bad;
if (aad) {
fprintf(stderr, "gmssl %s: `-aad` or `aad_hex` has been specified\n", prog);
goto bad;
}
aad = (uint8_t *)(*(++argv));
if (!(aad_buf = malloc(strlen((char *)aad)/2 + 1))) {
fprintf(stderr, "gmssl %s: malloc failure\n", prog);
goto end;
}
if (hex_to_bytes((char *)aad, strlen((char *)aad), aad_buf, &aadlen) != 1) {
fprintf(stderr, "gmssl %s: `-aad_hex` invalid HEX format argument\n", prog);
goto end;
}
aad = aad_buf;
} else if (!strcmp(*argv, "-taglen")) {
if (--argc < 1) goto bad;
taglen = atoi(*(++argv));
if (taglen < SM4_GCM_MIN_TAG_SIZE || taglen > SM4_GCM_MAX_TAG_SIZE) {
fprintf(stderr, "%s: `-taglen` invalid integer argument\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (enc < 0) {
fprintf(stderr, "gmssl %s: option -encrypt or -decrypt should be set\n", prog);
goto end;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (enc) {
if (sm4_gcm_encrypt_init(&ctx, key, keylen, iv, ivlen, aad, aadlen, taglen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_gcm_decrypt_init(&ctx, key, keylen, iv, ivlen, aad, aadlen, taglen) != 1) {
error_print();
goto end;
}
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (enc) {
if (sm4_gcm_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_gcm_decrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (enc) {
if (sm4_gcm_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
} else {
if (sm4_gcm_decrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}

167
tools/sm4_ofb.c Executable file
View File

@@ -0,0 +1,167 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/mem.h>
#include <gmssl/hex.h>
#include <gmssl/error.h>
static const char *usage = "[-encrypt|-decrypt] -key hex -iv hex [-in file] [-out file]";
static const char *options =
"Options\n"
"\n"
" -encrypt Encrypt\n"
" -decrypt Decrypt\n"
" -key hex Symmetric key in HEX format\n"
" -iv hex IV in HEX format\n"
" -in file | stdin Input data\n"
" -out file | stdout Output data\n"
"\n"
"Examples"
"\n"
" echo \"hello\" | gmssl sm4_ofb -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
"\n";
int sm4_ofb_main(int argc, char **argv)
{
int ret = 1;
char *prog = argv[0];
char *keyhex = NULL;
char *ivhex = NULL;
char *infile = NULL;
char *outfile = NULL;
uint8_t key[16];
size_t keylen;
uint8_t iv[16];
size_t ivlen;
FILE *infp = stdin;
FILE *outfp = stdout;
SM4_OFB_CTX ctx;
uint8_t buf[4096];
size_t inlen;
size_t outlen;
argc--;
argv++;
if (argc < 1) {
fprintf(stderr, "usage: gmssl %s %s\n", prog, usage);
return 1;
}
while (argc > 0) {
if (!strcmp(*argv, "-help")) {
printf("usage: gmssl %s %s\n", prog, usage);
printf("%s\n", options);
ret = 0;
goto end;
} else if (!strcmp(*argv, "-encrypt")) {
// ignore this option
} else if (!strcmp(*argv, "-decrypt")) {
// ignore this option
} else if (!strcmp(*argv, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "gmssl %s: invalid key length\n", prog);
goto end;
}
if (hex_to_bytes(keyhex, strlen(keyhex), key, &keylen) != 1) {
fprintf(stderr, "gmssl %s: invalid key hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-iv")) {
if (--argc < 1) goto bad;
ivhex = *(++argv);
if (strlen(ivhex) != sizeof(iv) * 2) {
fprintf(stderr, "gmssl %s: invalid IV length\n", prog);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "gmssl %s: invalid IV hex digits\n", prog);
goto end;
}
} else if (!strcmp(*argv, "-in")) {
if (--argc < 1) goto bad;
infile = *(++argv);
if (!(infp = fopen(infile, "rb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, infile, strerror(errno));
goto end;
}
} else if (!strcmp(*argv, "-out")) {
if (--argc < 1) goto bad;
outfile = *(++argv);
if (!(outfp = fopen(outfile, "wb"))) {
fprintf(stderr, "gmssl %s: open '%s' failure : %s\n", prog, outfile, strerror(errno));
goto end;
}
} else {
fprintf(stderr, "gmssl %s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "gmssl %s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (!keyhex) {
fprintf(stderr, "gmssl %s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "gmssl %s: option `-iv` missing\n", prog);
goto end;
}
if (sm4_ofb_encrypt_init(&ctx, key, iv) != 1) {
error_print();
goto end;
}
while ((inlen = fread(buf, 1, sizeof(buf), infp)) > 0) {
if (sm4_ofb_encrypt_update(&ctx, buf, inlen, buf, &outlen) != 1) {
error_print();
goto end;
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (sm4_ofb_encrypt_finish(&ctx, buf, &outlen) != 1) {
error_print();
goto end;
}
if (fwrite(buf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "gmssl %s: output failure : %s\n", prog, strerror(errno));
goto end;
}
ret = 0;
end:
gmssl_secure_clear(key, sizeof(key));
gmssl_secure_clear(iv, sizeof(iv));
gmssl_secure_clear(&ctx, sizeof(ctx));
gmssl_secure_clear(buf, sizeof(buf));
if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp);
return ret;
}