Ejemplo n.º 1
0
			void decrypt(AES_KEY &ctx, decrypt_output_type &dst, const decrypt_input_type &src, iv_type &iv)
			{
				// 아직 bits값에 대한 것은 모호함. 조사 필요
				int bits = 8;
				// 패딩이 없어도 된다.
				AES_ofb128_encrypt(&src[0], &dst[0], src.size(), &ctx, &iv[0], &bits);
			}
unsigned char *
aes_ofb_decrypt(unsigned char * enc, int length, unsigned char * key, unsigned char * iv)
{
        unsigned char * outbuf= calloc(1,length);
        int num = 0;

        unsigned char liv[16];

        memcpy(liv,iv,16);

        AES_KEY aeskey;


        AES_set_encrypt_key(key, 256, &aeskey);

        AES_ofb128_encrypt(enc, outbuf, length, &aeskey, liv, &num);

        return outbuf;
}
Ejemplo n.º 3
0
 virtual void decrypt(const unsigned char* in, unsigned char* out, std::size_t length) {
     assert(in && out);
     AES_ofb128_encrypt(in, out, length, &this->aes_ctx, this->ivec, &this->num);
 }