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update cfb

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wangyu
2019-07-16 00:47:36 -04:00
parent f68c6e211d
commit 7636225414
4 changed files with 41 additions and 22 deletions
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15
encrypt.cpp
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@@ -326,6 +326,11 @@ int cipher_aes128cfb_encrypt(const char *data,char *output,int &len,char * key)
if(first_time==0) key=0;
else first_time=0;
}
if(len>=16)
{
AES_ECB_encrypt_buffer(data,key,buf); //tmp solution, to fix a problem
}
AES_CFB_encrypt_buffer((unsigned char *)output,(unsigned char *)buf,len,(unsigned char *)key,(unsigned char *)zero_iv);
return 0;
@@ -374,7 +379,15 @@ int cipher_aes128cfb_decrypt(const char *data,char *output,int &len,char * key)
if(first_time==0) key=0;
else first_time=0;
}
AES_CFB_decrypt_buffer((unsigned char *)output,(unsigned char *)data,len,(unsigned char *)key,(unsigned char *)zero_iv);
char buf[buf_len];
memcpy(buf,data,len);//TODO inefficient code
if(len>=16)
{
AES_ECB_decrypt_buffer(data,key,buf);//tmp solution to fix a problem
}
AES_CFB_decrypt_buffer((unsigned char *)output,(unsigned char *)buf,len,(unsigned char *)key,(unsigned char *)zero_iv);
//if(de_padding(output,len,16)<0) return -1;
return 0;
}