1 | /* |
2 | * copyright (c) 2012 apple computer, inc. all rights reserved. |
3 | * |
4 | * @apple_osreference_license_header_start@ |
5 | * |
6 | * this file contains original code and/or modifications of original code |
7 | * as defined in and that are subject to the apple public source license |
8 | * version 2.0 (the 'license'). you may not use this file except in |
9 | * compliance with the license. the rights granted to you under the license |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an apple operating system software license agreement. |
14 | * |
15 | * please obtain a copy of the license at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * the original code and all software distributed under the license are |
19 | * distributed on an 'as is' basis, without warranty of any kind, either |
20 | * express or implied, and apple hereby disclaims all such warranties, |
21 | * including without limitation, any warranties of merchantability, |
22 | * fitness for a particular purpose, quiet enjoyment or non-infringement. |
23 | * please see the license for the specific language governing rights and |
24 | * limitations under the license. |
25 | * |
26 | * @apple_osreference_license_header_end@ |
27 | */ |
28 | |
29 | #ifndef _CRYPTO_SHA2_H__ |
30 | #define _CRYPTO_SHA2_H__ |
31 | |
32 | #ifdef __cplusplus |
33 | extern "C" { |
34 | #endif |
35 | |
36 | #include <corecrypto/ccsha2.h> |
37 | |
38 | /*** SHA-256/384/512 Various Length Definitions ***********************/ |
39 | #define SHA256_BLOCK_LENGTH CCSHA256_BLOCK_SIZE |
40 | #define SHA256_DIGEST_LENGTH CCSHA256_OUTPUT_SIZE |
41 | #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) |
42 | #define SHA384_BLOCK_LENGTH CCSHA512_BLOCK_SIZE |
43 | #define SHA384_DIGEST_LENGTH CCSHA384_OUTPUT_SIZE |
44 | #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) |
45 | #define SHA512_BLOCK_LENGTH CCSHA512_BLOCK_SIZE |
46 | #define SHA512_DIGEST_LENGTH CCSHA512_OUTPUT_SIZE |
47 | #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) |
48 | |
49 | typedef struct { |
50 | ccdigest_ctx_decl(CCSHA256_STATE_SIZE, CCSHA256_BLOCK_SIZE, ctx); |
51 | } SHA256_CTX; |
52 | |
53 | typedef struct SHA512_CTX { |
54 | ccdigest_ctx_decl(CCSHA512_STATE_SIZE, CCSHA512_BLOCK_SIZE, ctx); |
55 | } SHA512_CTX; |
56 | |
57 | typedef SHA512_CTX SHA384_CTX; |
58 | |
59 | /*** SHA-256/384/512 Function Prototypes ******************************/ |
60 | |
61 | void SHA256_Init(SHA256_CTX *ctx); |
62 | void SHA256_Update(SHA256_CTX *ctx, const void *data, size_t len); |
63 | void SHA256_Final(void *digest, SHA256_CTX *ctx); |
64 | |
65 | void SHA384_Init(SHA384_CTX *ctx); |
66 | void SHA384_Update(SHA384_CTX *ctx, const void *data, size_t len); |
67 | void SHA384_Final(void *digest, SHA384_CTX *ctx); |
68 | |
69 | void SHA512_Init(SHA512_CTX *ctx); |
70 | void SHA512_Update(SHA512_CTX *ctx, const void *data, size_t len); |
71 | void SHA512_Final(void *digest, SHA512_CTX *ctx); |
72 | |
73 | #ifdef __cplusplus |
74 | } |
75 | #endif /* __cplusplus */ |
76 | |
77 | #endif /* _CRYPTO_SHA2_H__ */ |
78 | |