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Adjust SM4 source files

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This commit is contained in:
Zhi Guan
2024-04-10 16:07:44 +08:00
parent ccab5f168e
commit 2d0378f3c7
13 changed files with 1029 additions and 911 deletions
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33
include/gmssl/sm4.h
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@@ -119,6 +119,39 @@ int sm4_ctr_encrypt_finish(SM4_CTR_CTX *ctx, uint8_t *out, size_t *outlen);
#define sm4_ctr_decrypt_finish(ctx,out,outlen) sm4_ctr_encrypt_finish(ctx,out,outlen)
#include <gmssl/ghash.h>
#include <gmssl/api.h>
typedef struct {
SM4_CTR_CTX enc_ctx;
GHASH_CTX mac_ctx;
uint8_t Y[16]; // E(K, Y_0)
size_t taglen;
uint8_t mac[16];
size_t maclen;
} SM4_GCM_CTX;
#define SM4_GCM_KEY_SIZE 16
#define SM4_GCM_DEFAULT_TAG_SIZE 16
_gmssl_export int sm4_gcm_encrypt_init(SM4_GCM_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t *aad, size_t aadlen, size_t taglen);
_gmssl_export int sm4_gcm_encrypt_update(SM4_GCM_CTX *ctx,
const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
_gmssl_export int sm4_gcm_encrypt_finish(SM4_GCM_CTX *ctx,
uint8_t *out, size_t *outlen);
_gmssl_export int sm4_gcm_decrypt_init(SM4_GCM_CTX *ctx,
const uint8_t *key, size_t keylen, const uint8_t *iv, size_t ivlen,
const uint8_t *aad, size_t aadlen, size_t taglen);
_gmssl_export int sm4_gcm_decrypt_update(SM4_GCM_CTX *ctx,
const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
_gmssl_export int sm4_gcm_decrypt_finish(SM4_GCM_CTX *ctx,
uint8_t *out, size_t *outlen);
#ifdef ENABLE_SM4_ECB
// call `sm4_set_decrypt_key` before decrypt
void sm4_ecb_encrypt(const SM4_KEY *key, const uint8_t *in, size_t nblocks, uint8_t *out);