+#if defined(USE_SSL_CRYPTO)
+ if(CTR_LENGTH != AES_BLOCK_SIZE) {
+ cLog.msg(Log::PRIO_ERROR) << "AesIcmCipher: Failed to set cipher CTR: size doesn't fit";
+ return false;
+ }
+ unsigned int num = 0;
+ std::memset(key.getBuf(), 0, key.getLength());
+ std::memset(ecount_buf_[dir], 0, AES_BLOCK_SIZE);
+ CRYPTO_ctr128_encrypt(key.getBuf(), key.getBuf(), key.getLength(), &aes_key_[dir], ctr_[dir].buf_, ecount_buf_[dir], &num, (block128_f)AES_encrypt);
+#elif defined(USE_NETTLE)
+ if(CTR_LENGTH != AES_BLOCK_SIZE) {
+ cLog.msg(Log::PRIO_ERROR) << "AesIcmCipher: Failed to set cipher CTR: size doesn't fit";
+ return false;
+ }
+ std::memset(key.getBuf(), 0, key.getLength());
+ ctr_crypt(&(ctx_[dir]), (nettle_crypt_func *)(aes_encrypt), AES_BLOCK_SIZE, ctr_[dir].buf_, key.getLength(), key.getBuf(), key.getBuf());
+#else // USE_GCRYPT is the default