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-rw-r--r--crypto/evp/e_aes.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c
index b45b364466ac..ccc626f1d81c 100644
--- a/crypto/evp/e_aes.c
+++ b/crypto/evp/e_aes.c
@@ -1,5 +1,5 @@
/* ====================================================================
- * Copyright (c) 2001-2011 The OpenSSL Project. All rights reserved.
+ * Copyright (c) 2001-2018 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -1089,6 +1089,8 @@ static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks,
ctx->iv, &ctx->num, ctx->encrypt, dat->block);
len -= MAXBITCHUNK;
+ out += MAXBITCHUNK;
+ in += MAXBITCHUNK;
}
if (len)
CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks,