xref: /openssl/include/crypto/siv.h (revision 3c2bdd7d)
1 /*
2  * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef OPENSSL_NO_SIV
11 
12 typedef struct siv128_context SIV128_CONTEXT;
13 
14 SIV128_CONTEXT *ossl_siv128_new(const unsigned char *key, int klen,
15                                 EVP_CIPHER *cbc, EVP_CIPHER *ctr,
16                                 OSSL_LIB_CTX *libctx, const char *propq);
17 int ossl_siv128_init(SIV128_CONTEXT *ctx, const unsigned char *key, int klen,
18                      const EVP_CIPHER *cbc, const EVP_CIPHER *ctr,
19                      OSSL_LIB_CTX *libctx, const char *propq);
20 int ossl_siv128_copy_ctx(SIV128_CONTEXT *dest, SIV128_CONTEXT *src);
21 int ossl_siv128_aad(SIV128_CONTEXT *ctx, const unsigned char *aad, size_t len);
22 int ossl_siv128_encrypt(SIV128_CONTEXT *ctx,
23                         const unsigned char *in, unsigned char *out, size_t len);
24 int ossl_siv128_decrypt(SIV128_CONTEXT *ctx,
25                         const unsigned char *in, unsigned char *out, size_t len);
26 int ossl_siv128_finish(SIV128_CONTEXT *ctx);
27 int ossl_siv128_set_tag(SIV128_CONTEXT *ctx, const unsigned char *tag,
28                         size_t len);
29 int ossl_siv128_get_tag(SIV128_CONTEXT *ctx, unsigned char *tag, size_t len);
30 int ossl_siv128_cleanup(SIV128_CONTEXT *ctx);
31 int ossl_siv128_speed(SIV128_CONTEXT *ctx, int arg);
32 
33 #endif /* OPENSSL_NO_SIV */
34