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optimize md5 and aes

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wangyu-
2017-09-18 07:10:24 -05:00
parent 0de85dd736
commit 661b329930
3 changed files with 35 additions and 34 deletions
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46
lib/aes_faster_c/wrapper.c
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@@ -11,55 +11,45 @@
#endif
static aes_context ctx_de;
static aes_context ctx_en;
inline void init_de()
{
static int done=0;
if(done==0)
{
aes_init( &ctx_de );
done=1;
}
}
inline void init_en()
{
static int done=0;
if(done==0)
{
aes_init( &ctx_en);
done=1;
}
}
void AES_ECB_encrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length)
{
init_en();
printf("AES_ECB_encrypt not implemented\n");
exit(-1);
}
void AES_ECB_decrypt(const uint8_t* input, const uint8_t* key, uint8_t *output, const uint32_t length)
{
init_de();
printf("AES_ECB_encrypt not implemented\n");
exit(-1);
}
void AES_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
{
static aes_context ctx;
static int done=0;
if(done==0)
{
aes_init( &ctx);
done=1;
}
char tmp_iv[16];
init_en();
if(key!=0) aes_setkey_enc(&ctx_en,key,AES_KEYSIZE);
if(key!=0) aes_setkey_enc(&ctx,key,AES_KEYSIZE);
memcpy(tmp_iv,iv,16);
aes_crypt_cbc( &ctx_en, AES_ENCRYPT, length, (unsigned char* )tmp_iv, (const unsigned char*)input,(unsigned char*) output );
aes_crypt_cbc( &ctx, AES_ENCRYPT, length, (unsigned char* )tmp_iv, (const unsigned char*)input,(unsigned char*) output );
return ;
}
void AES_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
{
static aes_context ctx;
static int done=0;
if(done==0)
{
aes_init( &ctx);
done=1;
}
char tmp_iv[16];
init_de();
if(key!=0) aes_setkey_dec(&ctx_de,key,AES_KEYSIZE);
if(key!=0) aes_setkey_dec(&ctx,key,AES_KEYSIZE);
memcpy(tmp_iv,iv,16);
aes_crypt_cbc( &ctx_de, AES_DECRYPT, length, (unsigned char*)tmp_iv, (const unsigned char*)input, (unsigned char*) output );
aes_crypt_cbc( &ctx,AES_DECRYPT, length, (unsigned char*)tmp_iv, (const unsigned char*)input, (unsigned char*) output );
return;
}