1 //
2 // Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
3 // Copyright 2018 Capitar IT Group BV <info@capitar.com>
4 //
5 // This software is supplied under the terms of the MIT License, a
6 // copy of which should be located in the distribution where this
7 // file was obtained (LICENSE.txt).  A copy of the license may also be
8 // found online at https://opensource.org/licenses/MIT.
9 //
10 
11 #ifndef NNG_SUPPLEMENTAL_SHA1_SHA1_H
12 #define NNG_SUPPLEMENTAL_SHA1_SHA1_H
13 
14 typedef struct {
15 	uint32_t digest[5]; // resulting digest
16 	uint64_t len;       // length in bits
17 	uint8_t  blk[64];   // message block
18 	int      idx;       // index of next byte in block
19 } nni_sha1_ctx;
20 
21 extern void nni_sha1_init(nni_sha1_ctx *);
22 extern void nni_sha1_update(nni_sha1_ctx *, const void *, size_t);
23 extern void nni_sha1_final(nni_sha1_ctx *, uint8_t[20]);
24 extern void nni_sha1(const void *, size_t, uint8_t[20]);
25 
26 #endif // NNG_SUPPLEMENTAL_SHA1_SHA1_H
27