intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 43 insertions, 0 deletions

diff --git a/contrib/libs/openssl/crypto/aes/aes_cfb.c b/contrib/libs/openssl/crypto/aes/aes_cfb.c
new file mode 100644
index 0000000000..f010e3c4ea
--- /dev/null
+++ b/contrib/libs/openssl/crypto/aes/aes_cfb.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/aes.h>
+#include <openssl/modes.h>
+
+/*
+ * The input and output encrypted as though 128bit cfb mode is being used.
+ * The extra state information to record how much of the 128bit block we have
+ * used is contained in *num;
+ */
+
+void AES_cfb128_encrypt(const unsigned char *in, unsigned char *out,
+                        size_t length, const AES_KEY *key,
+                        unsigned char *ivec, int *num, const int enc)
+{
+
+    CRYPTO_cfb128_encrypt(in, out, length, key, ivec, num, enc,
+                          (block128_f) AES_encrypt);
+}
+
+/* N.B. This expects the input to be packed, MS bit first */
+void AES_cfb1_encrypt(const unsigned char *in, unsigned char *out,
+                      size_t length, const AES_KEY *key,
+                      unsigned char *ivec, int *num, const int enc)
+{
+    CRYPTO_cfb128_1_encrypt(in, out, length, key, ivec, num, enc,
+                            (block128_f) AES_encrypt);
+}
+
+void AES_cfb8_encrypt(const unsigned char *in, unsigned char *out,
+                      size_t length, const AES_KEY *key,
+                      unsigned char *ivec, int *num, const int enc)
+{
+    CRYPTO_cfb128_8_encrypt(in, out, length, key, ivec, num, enc,
+                            (block128_f) AES_encrypt);
+}