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crypto: AES GCM IV length is always 12

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... at least for use cases we are interested in

Change-Id: I1156ff354635e8f990ce2664ebc8dcd3786ddca5
Signed-off-by: Damjan Marion <damarion@cisco.com>
This commit is contained in:
Damjan Marion
2019-04-25 18:24:04 +02:00
committed by Neale Ranns
parent 22e9c03ad2
commit 82d81d4fb0
4 changed files with 2 additions and 5 deletions
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2
src/plugins/crypto_openssl/main.c
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@@ -155,7 +155,7 @@ openssl_ops_dec_gcm (vlib_main_t * vm, vnet_crypto_op_t * ops[], u32 n_ops,
int len;
EVP_DecryptInit_ex (ctx, cipher, 0, 0, 0);
EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, op->iv_len, 0);
EVP_CIPHER_CTX_ctrl (ctx, EVP_CTRL_GCM_SET_IVLEN, 12, 0);
EVP_DecryptInit_ex (ctx, 0, 0, key->data, op->iv);
if (op->aad_len)
EVP_DecryptUpdate (ctx, 0, &len, op->aad, op->aad_len);