+
+#if defined(USE_SSL_CRYPTO)
+ if(C_AESCTR_CTR_LENGTH != AES_BLOCK_SIZE) {
+ log_printf(ERROR, "failed to set cipher CTR: size doesn't fit");
+ return -1;
+ }
+ u_int32_t num = 0;
+ memset(params->ecount_buf_, 0, AES_BLOCK_SIZE);
+ AES_ctr128_encrypt(in, out, (ilen < olen) ? ilen : olen, ¶ms->aes_key_, params->ctr_.buf_, params->ecount_buf_, &num);
+#elif defined(USE_NETTLE)
+ if(C_AESCTR_CTR_LENGTH != AES_BLOCK_SIZE) {
+ log_printf(ERROR, "failed to set cipher CTR: size doesn't fit");
+ return -1;
+ }
+ ctr_crypt(¶ms->ctx_, (nettle_crypt_func *)(aes_encrypt), AES_BLOCK_SIZE, params->ctr_.buf_, (ilen < olen) ? ilen : olen, out, in);
+#else // USE_GCRYPT is the default