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crypto_openssl: call EVP_EncryptFinal_ex only if needed

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Change-Id: I4dc6749a67c0726bae20b8204a5171676308b909
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2019-03-20 16:28:51 +01:00
committed by Neale Ranns
parent c80cc9ab84
commit f2edfbd212
1 changed files with 4 additions and 2 deletions
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2
src/plugins/crypto_openssl/main.c
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@ -69,6 +69,7 @@ openssl_ops_enc_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
EVP_EncryptInit_ex (ctx, cipher, NULL, op->key, op->iv); EVP_EncryptInit_ex (ctx, cipher, NULL, op->key, op->iv);
EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len); EVP_EncryptUpdate (ctx, op->dst, &out_len, op->src, op->len);
if (out_len < op->len)
EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len); EVP_EncryptFinal_ex (ctx, op->dst + out_len, &out_len);
op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; op->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
} }
@ -90,6 +91,7 @@ openssl_ops_dec_cbc (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
EVP_DecryptInit_ex (ctx, cipher, NULL, op->key, op->iv); EVP_DecryptInit_ex (ctx, cipher, NULL, op->key, op->iv);
EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len); EVP_DecryptUpdate (ctx, op->dst, &out_len, op->src, op->len);
if (out_len < op->len)
EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len); EVP_DecryptFinal_ex (ctx, op->dst + out_len, &out_len);
op->status = VNET_CRYPTO_OP_STATUS_COMPLETED; op->status = VNET_CRYPTO_OP_STATUS_COMPLETED;
} }