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Annotation of embedaddon/sudo/plugins/sudoers/sha2.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  */
        !            16: 
        !            17: /*
        !            18:  * Derived from the public domain SHA-1 and SHA-2 implementations
        !            19:  * by Steve Reid and Wei Dai respectively.
        !            20:  */
        !            21: 
        !            22: #ifndef _SUDOERS_SHA2_H
        !            23: #define _SUDOERS_SHA2_H
        !            24: 
        !            25: #define        SHA224_BLOCK_LENGTH             64
        !            26: #define        SHA224_DIGEST_LENGTH            28
        !            27: #define        SHA224_DIGEST_STRING_LENGTH     (SHA224_DIGEST_LENGTH * 2 + 1)
        !            28: 
        !            29: #define        SHA256_BLOCK_LENGTH             64
        !            30: #define        SHA256_DIGEST_LENGTH            32
        !            31: #define        SHA256_DIGEST_STRING_LENGTH     (SHA256_DIGEST_LENGTH * 2 + 1)
        !            32: 
        !            33: #define        SHA384_BLOCK_LENGTH             128
        !            34: #define        SHA384_DIGEST_LENGTH            48
        !            35: #define        SHA384_DIGEST_STRING_LENGTH     (SHA384_DIGEST_LENGTH * 2 + 1)
        !            36: 
        !            37: #define        SHA512_BLOCK_LENGTH             128
        !            38: #define        SHA512_DIGEST_LENGTH            64
        !            39: #define        SHA512_DIGEST_STRING_LENGTH     (SHA512_DIGEST_LENGTH * 2 + 1)
        !            40: 
        !            41: typedef struct {
        !            42:     union {
        !            43:        uint32_t st32[8];       /* sha224 and sha256 */
        !            44:        uint64_t st64[8];       /* sha384 and sha512 */
        !            45:     } state;
        !            46:     uint64_t count[2];
        !            47:     uint8_t buffer[SHA512_BLOCK_LENGTH];
        !            48: } SHA2_CTX;
        !            49: 
        !            50: void SHA224Init(SHA2_CTX *ctx);
        !            51: void SHA224Pad(SHA2_CTX *ctx);
        !            52: void SHA224Transform(uint32_t state[8], const uint8_t buffer[SHA224_BLOCK_LENGTH]);
        !            53: void SHA224Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
        !            54: void SHA224Final(uint8_t digest[SHA224_DIGEST_LENGTH], SHA2_CTX *ctx);
        !            55: 
        !            56: void SHA256Init(SHA2_CTX *ctx);
        !            57: void SHA256Pad(SHA2_CTX *ctx);
        !            58: void SHA256Transform(uint32_t state[8], const uint8_t buffer[SHA256_BLOCK_LENGTH]);
        !            59: void SHA256Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
        !            60: void SHA256Final(uint8_t digest[SHA256_DIGEST_LENGTH], SHA2_CTX *ctx);
        !            61: 
        !            62: void SHA384Init(SHA2_CTX *ctx);
        !            63: void SHA384Pad(SHA2_CTX *ctx);
        !            64: void SHA384Transform(uint64_t state[8], const uint8_t buffer[SHA384_BLOCK_LENGTH]);
        !            65: void SHA384Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
        !            66: void SHA384Final(uint8_t digest[SHA384_DIGEST_LENGTH], SHA2_CTX *ctx);
        !            67: 
        !            68: void SHA512Init(SHA2_CTX *ctx);
        !            69: void SHA512Pad(SHA2_CTX *ctx);
        !            70: void SHA512Transform(uint64_t state[8], const uint8_t buffer[SHA512_BLOCK_LENGTH]);
        !            71: void SHA512Update(SHA2_CTX *ctx, const uint8_t *data, size_t len);
        !            72: void SHA512Final(uint8_t digest[SHA512_DIGEST_LENGTH], SHA2_CTX *ctx);
        !            73: 
        !            74: #endif /* _SUDOERS_SHA2_H */