mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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217 lines
9.3 KiB
C
217 lines
9.3 KiB
C
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/*
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* Copyright 2019-2023 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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#ifndef OSSL_INTERNAL_FFC_H
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# define OSSL_INTERNAL_FFC_H
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# pragma once
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# include <openssl/core.h>
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# include <openssl/bn.h>
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# include <openssl/evp.h>
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# include <openssl/dh.h> /* Uses Error codes from DH */
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# include <openssl/params.h>
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# include <openssl/param_build.h>
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# include "internal/sizes.h"
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/* Default value for gindex when canonical generation of g is not used */
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# define FFC_UNVERIFIABLE_GINDEX -1
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/* The different types of FFC keys */
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# define FFC_PARAM_TYPE_DSA 0
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# define FFC_PARAM_TYPE_DH 1
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/*
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* The mode used by functions that share code for both generation and
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* verification. See ossl_ffc_params_FIPS186_4_gen_verify().
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*/
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#define FFC_PARAM_MODE_VERIFY 0
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#define FFC_PARAM_MODE_GENERATE 1
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/* Return codes for generation and validation of FFC parameters */
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#define FFC_PARAM_RET_STATUS_FAILED 0
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#define FFC_PARAM_RET_STATUS_SUCCESS 1
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/* Returned if validating and g is only partially verifiable */
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#define FFC_PARAM_RET_STATUS_UNVERIFIABLE_G 2
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/* Validation flags */
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# define FFC_PARAM_FLAG_VALIDATE_PQ 0x01
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# define FFC_PARAM_FLAG_VALIDATE_G 0x02
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# define FFC_PARAM_FLAG_VALIDATE_PQG \
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(FFC_PARAM_FLAG_VALIDATE_PQ | FFC_PARAM_FLAG_VALIDATE_G)
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#define FFC_PARAM_FLAG_VALIDATE_LEGACY 0x04
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/*
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* NB: These values must align with the equivalently named macros in
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* openssl/dh.h. We cannot use those macros here in case DH has been disabled.
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*/
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# define FFC_CHECK_P_NOT_PRIME 0x00001
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# define FFC_CHECK_P_NOT_SAFE_PRIME 0x00002
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# define FFC_CHECK_UNKNOWN_GENERATOR 0x00004
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# define FFC_CHECK_NOT_SUITABLE_GENERATOR 0x00008
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# define FFC_CHECK_Q_NOT_PRIME 0x00010
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# define FFC_CHECK_INVALID_Q_VALUE 0x00020
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# define FFC_CHECK_INVALID_J_VALUE 0x00040
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# define FFC_CHECK_BAD_LN_PAIR 0x00080
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# define FFC_CHECK_INVALID_SEED_SIZE 0x00100
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# define FFC_CHECK_MISSING_SEED_OR_COUNTER 0x00200
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# define FFC_CHECK_INVALID_G 0x00400
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# define FFC_CHECK_INVALID_PQ 0x00800
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# define FFC_CHECK_INVALID_COUNTER 0x01000
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# define FFC_CHECK_P_MISMATCH 0x02000
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# define FFC_CHECK_Q_MISMATCH 0x04000
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# define FFC_CHECK_G_MISMATCH 0x08000
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# define FFC_CHECK_COUNTER_MISMATCH 0x10000
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/* Validation Return codes */
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# define FFC_ERROR_PUBKEY_TOO_SMALL 0x01
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# define FFC_ERROR_PUBKEY_TOO_LARGE 0x02
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# define FFC_ERROR_PUBKEY_INVALID 0x04
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# define FFC_ERROR_NOT_SUITABLE_GENERATOR 0x08
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# define FFC_ERROR_PRIVKEY_TOO_SMALL 0x10
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# define FFC_ERROR_PRIVKEY_TOO_LARGE 0x20
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# define FFC_ERROR_PASSED_NULL_PARAM 0x40
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/*
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* Finite field cryptography (FFC) domain parameters are used by DH and DSA.
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* Refer to FIPS186_4 Appendix A & B.
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*/
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typedef struct ffc_params_st {
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/* Primes */
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BIGNUM *p;
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BIGNUM *q;
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/* Generator */
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BIGNUM *g;
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/* DH X9.42 Optional Subgroup factor j >= 2 where p = j * q + 1 */
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BIGNUM *j;
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/* Required for FIPS186_4 validation of p, q and optionally canonical g */
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unsigned char *seed;
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/* If this value is zero the hash size is used as the seed length */
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size_t seedlen;
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/* Required for FIPS186_4 validation of p and q */
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int pcounter;
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int nid; /* The identity of a named group */
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/*
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* Required for FIPS186_4 generation & validation of canonical g.
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* It uses unverifiable g if this value is -1.
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*/
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int gindex;
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int h; /* loop counter for unverifiable g */
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unsigned int flags;
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/*
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* The digest to use for generation or validation. If this value is NULL,
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* then the digest is chosen using the value of N.
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*/
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const char *mdname;
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const char *mdprops;
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/* Default key length for known named groups according to RFC7919 */
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int keylength;
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} FFC_PARAMS;
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void ossl_ffc_params_init(FFC_PARAMS *params);
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void ossl_ffc_params_cleanup(FFC_PARAMS *params);
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void ossl_ffc_params_set0_pqg(FFC_PARAMS *params, BIGNUM *p, BIGNUM *q,
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BIGNUM *g);
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void ossl_ffc_params_get0_pqg(const FFC_PARAMS *params, const BIGNUM **p,
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const BIGNUM **q, const BIGNUM **g);
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void ossl_ffc_params_set0_j(FFC_PARAMS *d, BIGNUM *j);
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int ossl_ffc_params_set_seed(FFC_PARAMS *params,
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const unsigned char *seed, size_t seedlen);
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void ossl_ffc_params_set_gindex(FFC_PARAMS *params, int index);
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void ossl_ffc_params_set_pcounter(FFC_PARAMS *params, int index);
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void ossl_ffc_params_set_h(FFC_PARAMS *params, int index);
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void ossl_ffc_params_set_flags(FFC_PARAMS *params, unsigned int flags);
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void ossl_ffc_params_enable_flags(FFC_PARAMS *params, unsigned int flags,
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int enable);
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int ossl_ffc_set_digest(FFC_PARAMS *params, const char *alg, const char *props);
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int ossl_ffc_params_set_validate_params(FFC_PARAMS *params,
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const unsigned char *seed,
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size_t seedlen, int counter);
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void ossl_ffc_params_get_validate_params(const FFC_PARAMS *params,
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unsigned char **seed, size_t *seedlen,
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int *pcounter);
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int ossl_ffc_params_copy(FFC_PARAMS *dst, const FFC_PARAMS *src);
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int ossl_ffc_params_cmp(const FFC_PARAMS *a, const FFC_PARAMS *b, int ignore_q);
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#ifndef FIPS_MODULE
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int ossl_ffc_params_print(BIO *bp, const FFC_PARAMS *ffc, int indent);
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#endif /* FIPS_MODULE */
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int ossl_ffc_params_FIPS186_4_generate(OSSL_LIB_CTX *libctx, FFC_PARAMS *params,
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int type, size_t L, size_t N,
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int *res, BN_GENCB *cb);
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int ossl_ffc_params_FIPS186_2_generate(OSSL_LIB_CTX *libctx, FFC_PARAMS *params,
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int type, size_t L, size_t N,
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int *res, BN_GENCB *cb);
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int ossl_ffc_params_FIPS186_4_gen_verify(OSSL_LIB_CTX *libctx,
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FFC_PARAMS *params, int mode, int type,
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size_t L, size_t N, int *res,
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BN_GENCB *cb);
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int ossl_ffc_params_FIPS186_2_gen_verify(OSSL_LIB_CTX *libctx,
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FFC_PARAMS *params, int mode, int type,
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size_t L, size_t N, int *res,
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BN_GENCB *cb);
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int ossl_ffc_params_simple_validate(OSSL_LIB_CTX *libctx,
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const FFC_PARAMS *params,
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int paramstype, int *res);
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int ossl_ffc_params_full_validate(OSSL_LIB_CTX *libctx,
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const FFC_PARAMS *params,
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int paramstype, int *res);
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int ossl_ffc_params_FIPS186_4_validate(OSSL_LIB_CTX *libctx,
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const FFC_PARAMS *params,
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int type, int *res, BN_GENCB *cb);
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int ossl_ffc_params_FIPS186_2_validate(OSSL_LIB_CTX *libctx,
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const FFC_PARAMS *params,
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int type, int *res, BN_GENCB *cb);
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int ossl_ffc_generate_private_key(BN_CTX *ctx, const FFC_PARAMS *params,
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int N, int s, BIGNUM *priv);
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int ossl_ffc_params_validate_unverifiable_g(BN_CTX *ctx, BN_MONT_CTX *mont,
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const BIGNUM *p, const BIGNUM *q,
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const BIGNUM *g, BIGNUM *tmp,
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int *ret);
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int ossl_ffc_validate_public_key(const FFC_PARAMS *params,
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const BIGNUM *pub_key, int *ret);
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int ossl_ffc_validate_public_key_partial(const FFC_PARAMS *params,
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const BIGNUM *pub_key, int *ret);
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int ossl_ffc_validate_private_key(const BIGNUM *upper, const BIGNUM *priv_key,
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int *ret);
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int ossl_ffc_params_todata(const FFC_PARAMS *ffc, OSSL_PARAM_BLD *tmpl,
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OSSL_PARAM params[]);
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int ossl_ffc_params_fromdata(FFC_PARAMS *ffc, const OSSL_PARAM params[]);
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typedef struct dh_named_group_st DH_NAMED_GROUP;
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const DH_NAMED_GROUP *ossl_ffc_name_to_dh_named_group(const char *name);
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const DH_NAMED_GROUP *ossl_ffc_uid_to_dh_named_group(int uid);
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#ifndef OPENSSL_NO_DH
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const DH_NAMED_GROUP *ossl_ffc_numbers_to_dh_named_group(const BIGNUM *p,
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const BIGNUM *q,
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const BIGNUM *g);
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#endif
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int ossl_ffc_named_group_get_uid(const DH_NAMED_GROUP *group);
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const char *ossl_ffc_named_group_get_name(const DH_NAMED_GROUP *);
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#ifndef OPENSSL_NO_DH
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int ossl_ffc_named_group_get_keylength(const DH_NAMED_GROUP *group);
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const BIGNUM *ossl_ffc_named_group_get_q(const DH_NAMED_GROUP *group);
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int ossl_ffc_named_group_set(FFC_PARAMS *ffc, const DH_NAMED_GROUP *group);
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#endif
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#endif /* OSSL_INTERNAL_FFC_H */
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