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Update TLS crypto

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This commit is contained in:
Zhi Guan
2026-06-14 10:15:05 +08:00
parent 545e6a56f0
commit ec5705ae29
9 changed files with 137 additions and 145 deletions
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12
src/aes_modes.c
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@@ -18,7 +18,7 @@
#include <gmssl/error.h>
void aes_cbc_encrypt(const AES_KEY *key, const uint8_t iv[16],
void aes_cbc_encrypt_blocks(const AES_KEY *key, const uint8_t iv[16],
const uint8_t *in, size_t nblocks, uint8_t *out)
{
while (nblocks--) {
@@ -30,7 +30,7 @@ void aes_cbc_encrypt(const AES_KEY *key, const uint8_t iv[16],
}
}
void aes_cbc_decrypt(const AES_KEY *key, const uint8_t iv[16],
void aes_cbc_decrypt_blocks(const AES_KEY *key, const uint8_t iv[16],
const uint8_t *in, size_t nblocks, uint8_t *out)
{
while (nblocks--) {
@@ -55,11 +55,11 @@ int aes_cbc_padding_encrypt(const AES_KEY *key, const uint8_t iv[16],
}
memset(block + rem, padding, padding);
if (inlen/16) {
aes_cbc_encrypt(key, iv, in, inlen/16, out);
aes_cbc_encrypt_blocks(key, iv, in, inlen/16, out);
out += inlen - rem;
iv = out - 16;
}
aes_cbc_encrypt(key, iv, block, 1, out);
aes_cbc_encrypt_blocks(key, iv, block, 1, out);
*outlen = inlen - rem + 16;
return 1;
}
@@ -82,10 +82,10 @@ int aes_cbc_padding_decrypt(const AES_KEY *key, const uint8_t iv[16],
return -1;
}
if (inlen > 16) {
aes_cbc_decrypt(key, iv, in, inlen/16 - 1, out);
aes_cbc_decrypt_blocks(key, iv, in, inlen/16 - 1, out);
iv = in + inlen - 32;
}
aes_cbc_decrypt(key, iv, in + inlen - 16, 1, block);
aes_cbc_decrypt_blocks(key, iv, in + inlen - 16, 1, block);
padding = block[15];
if (padding < 1 || padding > 16) {
error_print();