- // Increase the counter value
- for(int i = 0; i < cipher->cipher->block_size; i++)
- if(++cipher->counter->counter[i])
- break;
- }
-
- *out++ = *in++ ^ cipher->counter->block[cipher->counter->n++];
-
- if(cipher->counter->n >= cipher->cipher->block_size)
- cipher->counter->n = 0;
- }
-
- return true;
-}
-
-
-bool cipher_encrypt(cipher_t *cipher, const void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot) {
- if(oneshot) {
- int len, pad;
- if(EVP_EncryptInit_ex(&cipher->ctx, NULL, NULL, NULL, NULL)
- && EVP_EncryptUpdate(&cipher->ctx, (unsigned char *)outdata, &len, indata, inlen)
- && EVP_EncryptFinal(&cipher->ctx, (unsigned char *)outdata + len, &pad)) {
- if(outlen) *outlen = len + pad;