24 lines
697 B
C
24 lines
697 B
C
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#include <stdint.h>
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#include <string.h>
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#include "thash.h"
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#include "address.h"
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#include "params.h"
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#include "fips202.h"
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/**
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* Takes an array of inblocks concatenated arrays of SPX_N bytes.
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*/
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void PQCLEAN_SPHINCSSHAKE256128FSIMPLE_CLEAN_thash(
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unsigned char *out, const unsigned char *in, unsigned int inblocks,
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const unsigned char *pub_seed, uint32_t addr[8]) {
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unsigned char buf[SPX_N + SPX_ADDR_BYTES + inblocks * SPX_N];
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memcpy(buf, pub_seed, SPX_N);
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PQCLEAN_SPHINCSSHAKE256128FSIMPLE_CLEAN_addr_to_bytes(buf + SPX_N, addr);
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memcpy(buf + SPX_N + SPX_ADDR_BYTES, in, inblocks * SPX_N);
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shake256(out, SPX_N, buf, SPX_N + SPX_ADDR_BYTES + inblocks * SPX_N);
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}
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