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CloverBootloader/Library/OpensslLib/openssl/include/internal/ffc.h

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/*
* Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_INTERNAL_FFC_H
# define OSSL_INTERNAL_FFC_H
# pragma once
# include <openssl/core.h>
# include <openssl/bn.h>
# include <openssl/evp.h>
# include <openssl/dh.h> /* Uses Error codes from DH */
# include <openssl/params.h>
# include <openssl/param_build.h>
# include "internal/sizes.h"
/* Default value for gindex when canonical generation of g is not used */
# define FFC_UNVERIFIABLE_GINDEX -1
/* The different types of FFC keys */
# define FFC_PARAM_TYPE_DSA 0
# define FFC_PARAM_TYPE_DH 1
/*
* The mode used by functions that share code for both generation and
* verification. See ossl_ffc_params_FIPS186_4_gen_verify().
*/
#define FFC_PARAM_MODE_VERIFY 0
#define FFC_PARAM_MODE_GENERATE 1
/* Return codes for generation and validation of FFC parameters */
#define FFC_PARAM_RET_STATUS_FAILED 0
#define FFC_PARAM_RET_STATUS_SUCCESS 1
/* Returned if validating and g is only partially verifiable */
#define FFC_PARAM_RET_STATUS_UNVERIFIABLE_G 2
/* Validation flags */
# define FFC_PARAM_FLAG_VALIDATE_PQ 0x01
# define FFC_PARAM_FLAG_VALIDATE_G 0x02
# define FFC_PARAM_FLAG_VALIDATE_PQG \
(FFC_PARAM_FLAG_VALIDATE_PQ | FFC_PARAM_FLAG_VALIDATE_G)
#define FFC_PARAM_FLAG_VALIDATE_LEGACY 0x04
/*
* NB: These values must align with the equivalently named macros in
* openssl/dh.h. We cannot use those macros here in case DH has been disabled.
*/
# define FFC_CHECK_P_NOT_PRIME 0x00001
# define FFC_CHECK_P_NOT_SAFE_PRIME 0x00002
# define FFC_CHECK_UNKNOWN_GENERATOR 0x00004
# define FFC_CHECK_NOT_SUITABLE_GENERATOR 0x00008
# define FFC_CHECK_Q_NOT_PRIME 0x00010
# define FFC_CHECK_INVALID_Q_VALUE 0x00020
# define FFC_CHECK_INVALID_J_VALUE 0x00040
# define FFC_CHECK_BAD_LN_PAIR 0x00080
# define FFC_CHECK_INVALID_SEED_SIZE 0x00100
# define FFC_CHECK_MISSING_SEED_OR_COUNTER 0x00200
# define FFC_CHECK_INVALID_G 0x00400
# define FFC_CHECK_INVALID_PQ 0x00800
# define FFC_CHECK_INVALID_COUNTER 0x01000
# define FFC_CHECK_P_MISMATCH 0x02000
# define FFC_CHECK_Q_MISMATCH 0x04000
# define FFC_CHECK_G_MISMATCH 0x08000
# define FFC_CHECK_COUNTER_MISMATCH 0x10000
/* Validation Return codes */
# define FFC_ERROR_PUBKEY_TOO_SMALL 0x01
# define FFC_ERROR_PUBKEY_TOO_LARGE 0x02
# define FFC_ERROR_PUBKEY_INVALID 0x04
# define FFC_ERROR_NOT_SUITABLE_GENERATOR 0x08
# define FFC_ERROR_PRIVKEY_TOO_SMALL 0x10
# define FFC_ERROR_PRIVKEY_TOO_LARGE 0x20
# define FFC_ERROR_PASSED_NULL_PARAM 0x40
/*
* Finite field cryptography (FFC) domain parameters are used by DH and DSA.
* Refer to FIPS186_4 Appendix A & B.
*/
typedef struct ffc_params_st {
/* Primes */
BIGNUM *p;
BIGNUM *q;
/* Generator */
BIGNUM *g;
/* DH X9.42 Optional Subgroup factor j >= 2 where p = j * q + 1 */
BIGNUM *j;
/* Required for FIPS186_4 validation of p, q and optionally canonical g */
unsigned char *seed;
/* If this value is zero the hash size is used as the seed length */
size_t seedlen;
/* Required for FIPS186_4 validation of p and q */
int pcounter;
int nid; /* The identity of a named group */
/*
* Required for FIPS186_4 generation & validation of canonical g.
* It uses unverifiable g if this value is -1.
*/
int gindex;
int h; /* loop counter for unverifiable g */
unsigned int flags;
/*
* The digest to use for generation or validation. If this value is NULL,
* then the digest is chosen using the value of N.
*/
const char *mdname;
const char *mdprops;
/* Default key length for known named groups according to RFC7919 */
int keylength;
} FFC_PARAMS;
void ossl_ffc_params_init(FFC_PARAMS *params);
void ossl_ffc_params_cleanup(FFC_PARAMS *params);
void ossl_ffc_params_set0_pqg(FFC_PARAMS *params, BIGNUM *p, BIGNUM *q,
BIGNUM *g);
void ossl_ffc_params_get0_pqg(const FFC_PARAMS *params, const BIGNUM **p,
const BIGNUM **q, const BIGNUM **g);
void ossl_ffc_params_set0_j(FFC_PARAMS *d, BIGNUM *j);
int ossl_ffc_params_set_seed(FFC_PARAMS *params,
const unsigned char *seed, size_t seedlen);
void ossl_ffc_params_set_gindex(FFC_PARAMS *params, int index);
void ossl_ffc_params_set_pcounter(FFC_PARAMS *params, int index);
void ossl_ffc_params_set_h(FFC_PARAMS *params, int index);
void ossl_ffc_params_set_flags(FFC_PARAMS *params, unsigned int flags);
void ossl_ffc_params_enable_flags(FFC_PARAMS *params, unsigned int flags,
int enable);
int ossl_ffc_set_digest(FFC_PARAMS *params, const char *alg, const char *props);
int ossl_ffc_params_set_validate_params(FFC_PARAMS *params,
const unsigned char *seed,
size_t seedlen, int counter);
void ossl_ffc_params_get_validate_params(const FFC_PARAMS *params,
unsigned char **seed, size_t *seedlen,
int *pcounter);
int ossl_ffc_params_copy(FFC_PARAMS *dst, const FFC_PARAMS *src);
int ossl_ffc_params_cmp(const FFC_PARAMS *a, const FFC_PARAMS *b, int ignore_q);
#ifndef FIPS_MODULE
int ossl_ffc_params_print(BIO *bp, const FFC_PARAMS *ffc, int indent);
#endif /* FIPS_MODULE */
int ossl_ffc_params_FIPS186_4_generate(OSSL_LIB_CTX *libctx, FFC_PARAMS *params,
int type, size_t L, size_t N,
int *res, BN_GENCB *cb);
int ossl_ffc_params_FIPS186_2_generate(OSSL_LIB_CTX *libctx, FFC_PARAMS *params,
int type, size_t L, size_t N,
int *res, BN_GENCB *cb);
int ossl_ffc_params_FIPS186_4_gen_verify(OSSL_LIB_CTX *libctx,
FFC_PARAMS *params, int mode, int type,
size_t L, size_t N, int *res,
BN_GENCB *cb);
int ossl_ffc_params_FIPS186_2_gen_verify(OSSL_LIB_CTX *libctx,
FFC_PARAMS *params, int mode, int type,
size_t L, size_t N, int *res,
BN_GENCB *cb);
int ossl_ffc_params_simple_validate(OSSL_LIB_CTX *libctx,
const FFC_PARAMS *params,
int paramstype, int *res);
int ossl_ffc_params_full_validate(OSSL_LIB_CTX *libctx,
const FFC_PARAMS *params,
int paramstype, int *res);
int ossl_ffc_params_FIPS186_4_validate(OSSL_LIB_CTX *libctx,
const FFC_PARAMS *params,
int type, int *res, BN_GENCB *cb);
int ossl_ffc_params_FIPS186_2_validate(OSSL_LIB_CTX *libctx,
const FFC_PARAMS *params,
int type, int *res, BN_GENCB *cb);
int ossl_ffc_generate_private_key(BN_CTX *ctx, const FFC_PARAMS *params,
int N, int s, BIGNUM *priv);
int ossl_ffc_params_validate_unverifiable_g(BN_CTX *ctx, BN_MONT_CTX *mont,
const BIGNUM *p, const BIGNUM *q,
const BIGNUM *g, BIGNUM *tmp,
int *ret);
int ossl_ffc_validate_public_key(const FFC_PARAMS *params,
const BIGNUM *pub_key, int *ret);
int ossl_ffc_validate_public_key_partial(const FFC_PARAMS *params,
const BIGNUM *pub_key, int *ret);
int ossl_ffc_validate_private_key(const BIGNUM *upper, const BIGNUM *priv_key,
int *ret);
int ossl_ffc_params_todata(const FFC_PARAMS *ffc, OSSL_PARAM_BLD *tmpl,
OSSL_PARAM params[]);
int ossl_ffc_params_fromdata(FFC_PARAMS *ffc, const OSSL_PARAM params[]);
typedef struct dh_named_group_st DH_NAMED_GROUP;
const DH_NAMED_GROUP *ossl_ffc_name_to_dh_named_group(const char *name);
const DH_NAMED_GROUP *ossl_ffc_uid_to_dh_named_group(int uid);
#ifndef OPENSSL_NO_DH
const DH_NAMED_GROUP *ossl_ffc_numbers_to_dh_named_group(const BIGNUM *p,
const BIGNUM *q,
const BIGNUM *g);
#endif
int ossl_ffc_named_group_get_uid(const DH_NAMED_GROUP *group);
const char *ossl_ffc_named_group_get_name(const DH_NAMED_GROUP *);
#ifndef OPENSSL_NO_DH
int ossl_ffc_named_group_get_keylength(const DH_NAMED_GROUP *group);
const BIGNUM *ossl_ffc_named_group_get_q(const DH_NAMED_GROUP *group);
int ossl_ffc_named_group_set(FFC_PARAMS *ffc, const DH_NAMED_GROUP *group);
#endif
#endif /* OSSL_INTERNAL_FFC_H */
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