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35 lines
969 B
C
35 lines
969 B
C
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/* whirlpool.h */
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#ifndef WHIRLPOOL_H
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#define WHIRLPOOL_H
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#include "ustd.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define whirlpool_block_size 64
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/* algorithm context */
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typedef struct whirlpool_ctx
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{
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uint64_t hash[8]; /* 512-bit algorithm internal hashing state */
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unsigned char message[whirlpool_block_size]; /* 512-bit buffer to hash */
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/* Note: original algorith uses 256-bit counter, allowing to hash up to
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2^256 bits sized message. For optimization we use here 64-bit counter,
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thus reducing maximal message size to 2^64 bits = 2 Exbibytes = 2^21 TiB) */
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uint64_t length; /* number of processed bytes */
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} whirlpool_ctx;
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/* hash functions */
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void rhash_whirlpool_init(whirlpool_ctx* ctx);
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void rhash_whirlpool_update(whirlpool_ctx* ctx, const unsigned char* msg, size_t size);
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void rhash_whirlpool_final(whirlpool_ctx* ctx, unsigned char* result);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif /* __cplusplus */
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#endif /* WHIRLPOOL_H */
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