mirror of https://github.com/openssl/openssl.git
40 lines
1.4 KiB
C
40 lines
1.4 KiB
C
/*
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* Copyright 2024-2025 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <openssl/e_os2.h>
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/*
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* PRF(), F() use this value to calculate the number of zeros
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* H(), T() use this to calculate the number of zeros for security cat 1
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*/
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#define OSSL_SLH_DSA_SHA2_NUM_ZEROS_H_AND_T_BOUND1 64
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/*
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* Refer to FIPS 205 Section 11 parameter sets.
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* lgw has been omitted since it is 4 for all algorithms i.e. log(16)
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*/
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typedef struct slh_dsa_params_st {
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const char *alg;
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int type;
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int is_shake;
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uint32_t n; /* Security parameter (Hash output size in bytes) (16, 24, 32) */
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uint32_t h; /* The total height of the tree (63, 64, 66, 68). #keypairs = 2^h */
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uint32_t d; /* The number of tree layers (7, 8, 17, 22) */
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uint32_t hm; /* The height (h') of each merkle tree. (h = hm * d ) */
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uint32_t a; /* Height of a FORS tree */
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uint32_t k; /* The number of FORS trees */
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uint32_t m; /* The size of H_MSG() output */
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uint32_t security_category;
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uint32_t pk_len;
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uint32_t sig_len;
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size_t sha2_h_and_t_bound;
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} SLH_DSA_PARAMS;
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const SLH_DSA_PARAMS *ossl_slh_dsa_params_get(const char *alg);
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