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Let sm4_cbc_encrypt_blocks update iv

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If in == out, then after encryptions the input (i.e. iv) is changed
This commit is contained in:
Zhi Guan
2024-05-13 21:44:06 +08:00
parent 3b6c2a3e9b
commit 7f3072e917
5 changed files with 49 additions and 22 deletions
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4
include/gmssl/sm4.h
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@@ -35,9 +35,9 @@ void sm4_set_decrypt_key(SM4_KEY *key, const uint8_t raw_key[SM4_KEY_SIZE]);
void sm4_encrypt(const SM4_KEY *key, const uint8_t in[SM4_BLOCK_SIZE], uint8_t out[SM4_BLOCK_SIZE]);
void sm4_encrypt_blocks(const SM4_KEY *key, const uint8_t *in, size_t nblocks, uint8_t *out);
void sm4_cbc_encrypt_blocks(const SM4_KEY *key, const uint8_t iv[SM4_BLOCK_SIZE],
void sm4_cbc_encrypt_blocks(const SM4_KEY *key, uint8_t iv[SM4_BLOCK_SIZE],
const uint8_t *in, size_t nblocks, uint8_t *out);
void sm4_cbc_decrypt_blocks(const SM4_KEY *key, const uint8_t iv[SM4_BLOCK_SIZE],
void sm4_cbc_decrypt_blocks(const SM4_KEY *key, uint8_t iv[SM4_BLOCK_SIZE],
const uint8_t *in, size_t nblocks, uint8_t *out);
void sm4_ctr_encrypt_blocks(const SM4_KEY *key, uint8_t ctr[16], const uint8_t *in, size_t nblocks, uint8_t *out);
void sm4_ctr32_encrypt_blocks(const SM4_KEY *key, uint8_t ctr[16], const uint8_t *in, size_t nblocks, uint8_t *out);