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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
#ifndef SHA2_H
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#define SHA2_H
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#include <stddef.h>
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#include <stdint.h>
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/* The incremental API allows hashing of individual input blocks; these blocks
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must be exactly 64 bytes each.
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Use the 'finalize' functions for any remaining bytes (possibly over 64). */
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typedef struct {
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uint8_t ctx[40];
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} sha224ctx;
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typedef struct {
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uint8_t ctx[40];
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} sha256ctx;
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typedef struct {
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uint8_t ctx[72];
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} sha384ctx;
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typedef struct {
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uint8_t ctx[72];
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} sha512ctx;
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void sha224_inc_init(sha224ctx *state);
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void sha224_inc_blocks(sha224ctx *state, const uint8_t *in, size_t inblocks);
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void sha224_inc_finalize(uint8_t *out, sha224ctx *state, const uint8_t *in, size_t inlen);
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void sha224(uint8_t *out, const uint8_t *in, size_t inlen);
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void sha256_inc_init(sha256ctx *state);
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void sha256_inc_blocks(sha256ctx *state, const uint8_t *in, size_t inblocks);
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void sha256_inc_finalize(uint8_t *out, sha256ctx *state, const uint8_t *in, size_t inlen);
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void sha256(uint8_t *out, const uint8_t *in, size_t inlen);
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void sha384_inc_init(sha384ctx *state);
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void sha384_inc_blocks(sha384ctx *state, const uint8_t *in, size_t inblocks);
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void sha384_inc_finalize(uint8_t *out, sha384ctx *state, const uint8_t *in, size_t inlen);
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void sha384(uint8_t *out, const uint8_t *in, size_t inlen);
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void sha512_inc_init(sha512ctx *state);
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void sha512_inc_blocks(sha512ctx *state, const uint8_t *in, size_t inblocks);
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void sha512_inc_finalize(uint8_t *out, sha512ctx *state, const uint8_t *in, size_t inlen);
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void sha512(uint8_t *out, const uint8_t *in, size_t inlen);
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#endif
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