Embedded SDK
Embedded SDK
cx_poly1305.h
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1 
2 /*******************************************************************************
3  * Ledger Nano S - Secure firmware
4  * (c) 2022 Ledger
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
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17  ********************************************************************************/
18 
19 #ifndef CX_POLY1305_H
20 #define CX_POLY1305_H
21 
22 #if defined(HAVE_POLY1305)
23 
24 #include "lcx_poly1305.h"
25 #include "ox.h"
26 #include <stddef.h>
27 
42 void cx_poly1305_init(cx_poly1305_context_t *ctx);
43 
56 void cx_poly1305_set_key(cx_poly1305_context_t *ctx, const uint8_t *key);
57 
75 WARN_UNUSED_RESULT cx_err_t cx_poly1305_update(cx_poly1305_context_t *ctx,
76  const uint8_t *input,
77  size_t in_len);
78 
91 WARN_UNUSED_RESULT cx_err_t cx_poly1305_finish(cx_poly1305_context_t *ctx, uint8_t *tag);
92 
112 WARN_UNUSED_RESULT cx_err_t cx_poly1305_mac(const uint8_t *key,
113  const uint8_t *input,
114  size_t in_len,
115  uint8_t *tag);
116 
117 #endif // HAVE_POLY1305
118 
119 #endif // CX_POLY1305_H
POLY1305 Message Authentication Code.
unsigned char uint8_t
Definition: usbd_conf.h:53