1 files changed, 76 insertions, 0 deletions
diff --git a/providers/common/ciphers/ciphers_locl.h b/providers/common/ciphers/ciphers_locl.h
new file mode 100644
index 0000000000..3799b714d0
--- /dev/null
+++ b/providers/common/ciphers/ciphers_locl.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (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>
+
+typedef struct prov_aes_cipher_st PROV_AES_CIPHER;
+
+typedef struct prov_aes_key_st {
+    union {
+        double align;
+        AES_KEY ks;
+    } ks;
+    block128_f block;
+    union {
+        cbc128_f cbc;
+        ctr128_f ctr;
+    } stream;
+
+    /* The cipher functions we are going to use */
+    const PROV_AES_CIPHER *ciph;
+
+    /* The mode that we are using */
+    int mode;
+
+    /* Set to 1 if we are encrypting or 0 otherwise */
+    int enc;
+
+    unsigned char iv[AES_BLOCK_SIZE];
+
+    /*
+     * num contains the number of bytes of |iv| which are valid for modes that
+     * manage partial blocks themselves.
+     */
+    size_t num;
+
+    /* Buffer of partial blocks processed via update calls */
+    unsigned char buf[AES_BLOCK_SIZE];
+
+    /* Number of bytes in buf */
+    size_t bufsz;
+
+    uint64_t flags;
+
+    size_t keylen;
+
+    /* Whether padding should be used or not */
+    unsigned int pad : 1;
+} PROV_AES_KEY;
+
+struct prov_aes_cipher_st {
+  int (*init)(PROV_AES_KEY *dat, const uint8_t *key, size_t keylen);
+  int (*cipher)(PROV_AES_KEY *dat, uint8_t *out, const uint8_t *in,
+                size_t inl);
+};
+
+const PROV_AES_CIPHER *PROV_AES_CIPHER_ecb(void);
+const PROV_AES_CIPHER *PROV_AES_CIPHER_cbc(void);
+const PROV_AES_CIPHER *PROV_AES_CIPHER_ofb(void);
+const PROV_AES_CIPHER *PROV_AES_CIPHER_cfb(void);
+const PROV_AES_CIPHER *PROV_AES_CIPHER_cfb1(void);
+const PROV_AES_CIPHER *PROV_AES_CIPHER_cfb8(void);
+const PROV_AES_CIPHER *PROV_AES_CIPHER_ctr(void);
+
+size_t fillblock(unsigned char *buf, size_t *buflen, size_t blocksize,
+                 const unsigned char **in, size_t *inlen);
+int trailingdata(unsigned char *buf, size_t *buflen, size_t blocksize,
+                 const unsigned char **in, size_t *inlen);
+void padblock(unsigned char *buf, size_t *buflen, size_t blocksize);
+int unpadblock(unsigned char *buf, size_t *buflen, size_t blocksize);