49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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#ifndef __SHA2_H__
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#define __SHA2_H__
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#include <stdint.h>
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#include <stddef.h>
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/**************************************************************************
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* SHA256/384/512 declarations
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**************************************************************************/
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#define SHA256_BLOCK_LENGTH 64
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#define SHA256_DIGEST_LENGTH 32
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typedef struct
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{
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uint32_t state[8];
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uint64_t bitcount;
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uint8_t buffer[SHA256_BLOCK_LENGTH];
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} SHA256_CTX;
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void SHA256_Init(SHA256_CTX *);
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void SHA256_Update(SHA256_CTX *, const uint8_t *msg, size_t len);
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void SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
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#define SHA384_BLOCK_LENGTH 128
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#define SHA384_DIGEST_LENGTH 48
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typedef struct
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{
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uint64_t state[8];
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uint64_t bitcount[2];
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uint8_t buffer[SHA384_BLOCK_LENGTH];
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} SHA384_CTX;
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void SHA384_Init(SHA384_CTX*);
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void SHA384_Update(SHA384_CTX*, const uint8_t *msg, size_t len);
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void SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
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#define SHA512_BLOCK_LENGTH 128
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#define SHA512_DIGEST_LENGTH 64
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typedef SHA384_CTX SHA512_CTX;
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void SHA512_Init(SHA512_CTX*);
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void SHA512_Update(SHA512_CTX*, const uint8_t *msg, size_t len);
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void SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
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#endif
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