45 lines
858 B
C
45 lines
858 B
C
/* vim: set ts=8 sw=8 noexpandtab: */
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#include "errors.h"
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// list of avaliable hash functions.
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typedef enum {
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MH_H_SHA1,
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MH_H_SHA2_256,
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MH_H_SHA2_512,
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MH_H_SHA3_512,
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MH_H_SHA3_384,
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MH_H_SHA3_256,
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MH_H_SHA3_224,
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MH_H_SHAKE_128,
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MH_H_SHAKE_256,
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MH_H_BLAKE2B,
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MH_H_BLAKE2S,
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MH_H_COUNT // number of hash functions
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} mh_hash;
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// returns default length in bytes of given hash function
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// or -1 in case of invalid arguemnt
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int mh_hash_default_length(mh_hash hash);
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// returns wire format code of given hash function
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int mh_hash_code(mh_hash hash);
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typedef struct {
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mh_hash hash;
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int code;
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int length;
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} mh_hashinfo;
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// decodes code info hash info, leaves length field zeroed
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mh_error mh_hashinfo_from_code(int code, mh_hashinfo *hinfo);
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// decodes bytes into hashinfo
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mh_error mh_hashinfo_from_bytes(char bytes[2], mh_hashinfo *hinfo);
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