xref: /xnu-11215.61.5/iokit/DriverKit/crypto/sha2.h (revision 4f1223e81cd707a65cc109d0b8ad6653699da3c4)
1*4f1223e8SApple OSS Distributions /*
2*4f1223e8SApple OSS Distributions  * copyright (c) 2012 apple computer, inc. all rights reserved.
3*4f1223e8SApple OSS Distributions  *
4*4f1223e8SApple OSS Distributions  * @apple_osreference_license_header_start@
5*4f1223e8SApple OSS Distributions  *
6*4f1223e8SApple OSS Distributions  * this file contains original code and/or modifications of original code
7*4f1223e8SApple OSS Distributions  * as defined in and that are subject to the apple public source license
8*4f1223e8SApple OSS Distributions  * version 2.0 (the 'license'). you may not use this file except in
9*4f1223e8SApple OSS Distributions  * compliance with the license. the rights granted to you under the license
10*4f1223e8SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*4f1223e8SApple OSS Distributions  * unlawful or unlicensed copies of an apple operating system, or to
12*4f1223e8SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*4f1223e8SApple OSS Distributions  * terms of an apple operating system software license agreement.
14*4f1223e8SApple OSS Distributions  *
15*4f1223e8SApple OSS Distributions  * please obtain a copy of the license at
16*4f1223e8SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*4f1223e8SApple OSS Distributions  *
18*4f1223e8SApple OSS Distributions  * the original code and all software distributed under the license are
19*4f1223e8SApple OSS Distributions  * distributed on an 'as is' basis, without warranty of any kind, either
20*4f1223e8SApple OSS Distributions  * express or implied, and apple hereby disclaims all such warranties,
21*4f1223e8SApple OSS Distributions  * including without limitation, any warranties of merchantability,
22*4f1223e8SApple OSS Distributions  * fitness for a particular purpose, quiet enjoyment or non-infringement.
23*4f1223e8SApple OSS Distributions  * please see the license for the specific language governing rights and
24*4f1223e8SApple OSS Distributions  * limitations under the license.
25*4f1223e8SApple OSS Distributions  *
26*4f1223e8SApple OSS Distributions  * @apple_osreference_license_header_end@
27*4f1223e8SApple OSS Distributions  */
28*4f1223e8SApple OSS Distributions 
29*4f1223e8SApple OSS Distributions #ifndef _CRYPTO_SHA2_H__
30*4f1223e8SApple OSS Distributions #define _CRYPTO_SHA2_H__
31*4f1223e8SApple OSS Distributions 
32*4f1223e8SApple OSS Distributions #ifdef __cplusplus
33*4f1223e8SApple OSS Distributions extern "C" {
34*4f1223e8SApple OSS Distributions #endif
35*4f1223e8SApple OSS Distributions 
36*4f1223e8SApple OSS Distributions #include <corecrypto/ccsha2.h>
37*4f1223e8SApple OSS Distributions 
38*4f1223e8SApple OSS Distributions /*** SHA-256/384/512 Various Length Definitions ***********************/
39*4f1223e8SApple OSS Distributions #define SHA256_BLOCK_LENGTH             CCSHA256_BLOCK_SIZE
40*4f1223e8SApple OSS Distributions #define SHA256_DIGEST_LENGTH    CCSHA256_OUTPUT_SIZE
41*4f1223e8SApple OSS Distributions #define SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
42*4f1223e8SApple OSS Distributions #define SHA384_BLOCK_LENGTH             CCSHA512_BLOCK_SIZE
43*4f1223e8SApple OSS Distributions #define SHA384_DIGEST_LENGTH    CCSHA384_OUTPUT_SIZE
44*4f1223e8SApple OSS Distributions #define SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
45*4f1223e8SApple OSS Distributions #define SHA512_BLOCK_LENGTH             CCSHA512_BLOCK_SIZE
46*4f1223e8SApple OSS Distributions #define SHA512_DIGEST_LENGTH    CCSHA512_OUTPUT_SIZE
47*4f1223e8SApple OSS Distributions #define SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
48*4f1223e8SApple OSS Distributions 
49*4f1223e8SApple OSS Distributions typedef struct {
50*4f1223e8SApple OSS Distributions 	ccdigest_ctx_decl(CCSHA256_STATE_SIZE, CCSHA256_BLOCK_SIZE, ctx);
51*4f1223e8SApple OSS Distributions } SHA256_CTX;
52*4f1223e8SApple OSS Distributions 
53*4f1223e8SApple OSS Distributions typedef struct SHA512_CTX {
54*4f1223e8SApple OSS Distributions 	ccdigest_ctx_decl(CCSHA512_STATE_SIZE, CCSHA512_BLOCK_SIZE, ctx);
55*4f1223e8SApple OSS Distributions } SHA512_CTX;
56*4f1223e8SApple OSS Distributions 
57*4f1223e8SApple OSS Distributions typedef SHA512_CTX SHA384_CTX;
58*4f1223e8SApple OSS Distributions 
59*4f1223e8SApple OSS Distributions /*** SHA-256/384/512 Function Prototypes ******************************/
60*4f1223e8SApple OSS Distributions 
61*4f1223e8SApple OSS Distributions void SHA256_Init(SHA256_CTX *ctx);
62*4f1223e8SApple OSS Distributions void SHA256_Update(SHA256_CTX *ctx, const void *data, size_t len);
63*4f1223e8SApple OSS Distributions void SHA256_Final(void *digest, SHA256_CTX *ctx);
64*4f1223e8SApple OSS Distributions 
65*4f1223e8SApple OSS Distributions void SHA384_Init(SHA384_CTX *ctx);
66*4f1223e8SApple OSS Distributions void SHA384_Update(SHA384_CTX *ctx, const void *data, size_t len);
67*4f1223e8SApple OSS Distributions void SHA384_Final(void *digest, SHA384_CTX *ctx);
68*4f1223e8SApple OSS Distributions 
69*4f1223e8SApple OSS Distributions void SHA512_Init(SHA512_CTX *ctx);
70*4f1223e8SApple OSS Distributions void SHA512_Update(SHA512_CTX *ctx, const void *data, size_t len);
71*4f1223e8SApple OSS Distributions void SHA512_Final(void *digest, SHA512_CTX *ctx);
72*4f1223e8SApple OSS Distributions 
73*4f1223e8SApple OSS Distributions #ifdef  __cplusplus
74*4f1223e8SApple OSS Distributions }
75*4f1223e8SApple OSS Distributions #endif /* __cplusplus */
76*4f1223e8SApple OSS Distributions 
77*4f1223e8SApple OSS Distributions #endif /* _CRYPTO_SHA2_H__ */
78