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Add sm4_ctr gmssl option

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This commit is contained in:
Zhi Guan
2024-05-10 22:06:27 +08:00
parent 018efec089
commit f11cf530d3
3 changed files with 184 additions and 0 deletions
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9
CMakeLists.txt
View File

@@ -93,6 +93,7 @@ set(tools
tools/gmssl.c
tools/version.c
tools/sm4.c
tools/sm4_ctr.c
tools/sm3.c
tools/sm3hmac.c
tools/sm3xmss_keygen.c
@@ -324,6 +325,14 @@ if (ENABLE_SM3_SSE)
list(INSERT src ${sm3_index} src/sm3_sse.c)
endif()
option(ENABLE_SM3_ARM_NEON "Enable SM3 Arm Neon implementation (10% faster on Apple M2)" OFF)
if (ENABLE_SM3_ARM_NEON)
message(STATUS "ENABLE_SM3_ARM_NEON is ON")
list(FIND src src/sm3.c index)
list(REMOVE_AT src ${index})
list(INSERT src ${index} src/sm3_arm_neon.c)
endif()
if (ENABLE_SM4_TBOX)
message(STATUS "ENABLE_SM4_TBOX is ON")
list(FIND src src/sm4.c sm4_index)

4
tools/gmssl.c
View File

@@ -36,6 +36,7 @@ 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_ctr_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);
@@ -78,6 +79,7 @@ static const char *options =
" 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"
@@ -182,6 +184,8 @@ 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_ctr")) {
return sm4_ctr_main(argc, argv);
} else if (!strcmp(*argv, "zuc")) {
return zuc_main(argc, argv);
} else if (!strcmp(*argv, "sm9setup")) {

171
tools/sm4_ctr.c Executable file
View File

@@ -0,0 +1,171 @@
/*
* 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 = "-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_ctr -key 11223344556677881122334455667788 -iv 112233445566778811223344 -out ciphertext.bin\n"
"\n";
int sm4_ctr_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_CTR_CTX ctx;
uint8_t inbuf[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);
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, "-key")) {
if (--argc < 1) goto bad;
keyhex = *(++argv);
if (strlen(keyhex) != sizeof(key) * 2) {
fprintf(stderr, "%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);
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);
goto end;
}
if (hex_to_bytes(ivhex, strlen(ivhex), iv, &ivlen) != 1) {
fprintf(stderr, "%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));
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));
goto end;
}
} else {
fprintf(stderr, "%s: illegal option `%s`\n", prog, *argv);
goto end;
bad:
fprintf(stderr, "%s: `%s` option value missing\n", prog, *argv);
goto end;
}
argc--;
argv++;
}
if (!keyhex) {
fprintf(stderr, "%s: option `-key` missing\n", prog);
goto end;
}
if (!ivhex) {
fprintf(stderr, "%s: option `-iv` missing\n", prog);
goto end;
}
if (sm4_ctr_encrypt_init(&ctx, key, iv) != 1) {
error_print();
goto end;
}
while ((inlen = fread(inbuf, 1, sizeof(inbuf), infp)) > 0) {
if (sm4_ctr_encrypt_update(&ctx, inbuf, inlen, outbuf, &outlen) != 1) {
error_print();
goto end;
}
if (fwrite(outbuf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "%s: output failure : %s\n", prog, strerror(errno));
goto end;
}
}
if (sm4_ctr_encrypt_finish(&ctx, outbuf, &outlen) != 1) {
error_print();
goto end;
}
if (fwrite(outbuf, 1, outlen, outfp) != outlen) {
fprintf(stderr, "%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));
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;
}