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54 lines
3.2 KiB
C
54 lines
3.2 KiB
C
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#ifndef PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_PARAMS_H
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_PARAMS_H
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/* Hash output length in bytes. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N 32
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/* Height of the hypertree. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FULL_HEIGHT 68
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/* Number of subtree layer. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_D 17
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/* FORS tree dimensions. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_HEIGHT 10
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_TREES 30
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/* Winternitz parameter, */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_W 16
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/* The hash function is defined by linking a different hash.c file, as opposed
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to setting a #define constant. */
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/* For clarity */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_ADDR_BYTES 32
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/* WOTS parameters. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LOGW 4
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN1 (8 * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N / PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LOGW)
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/* PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN2 is floor(log(len_1 * (w - 1)) / log(w)) + 1; we precompute */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN2 3
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN (PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN1 + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN2)
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_BYTES (PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_LEN * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N)
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_PK_BYTES PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_BYTES
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/* Subtree size. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_TREE_HEIGHT (PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FULL_HEIGHT / PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_D)
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/* FORS parameters. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_MSG_BYTES ((PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_HEIGHT * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_TREES + 7) / 8)
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_BYTES ((PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_HEIGHT + 1) * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_TREES * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N)
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_PK_BYTES PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N
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/* Resulting SPX sizes. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_BYTES (PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FORS_BYTES + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_D * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_WOTS_BYTES +\
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PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_FULL_HEIGHT * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N)
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_PK_BYTES (2 * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N)
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_SK_BYTES (2 * PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_N + PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_PK_BYTES)
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/* Optionally, signing can be made non-deterministic using optrand.
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This can help counter side-channel attacks that would benefit from
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getting a large number of traces when the signer uses the same nodes. */
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#define PQCLEAN_SPHINCSSHAKE256256FROBUST_AVX2_OPTRAND_BYTES 32
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#endif
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