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-rw-r--r--thirdparty/internal/ffc.h212
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diff --git a/thirdparty/internal/ffc.h b/thirdparty/internal/ffc.h
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-/*
- * Copyright 2019-2021 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
-
-/*
- * 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;
-} 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
-const BIGNUM *ossl_ffc_named_group_get_q(const DH_NAMED_GROUP *group);
-int ossl_ffc_named_group_set_pqg(FFC_PARAMS *ffc, const DH_NAMED_GROUP *group);
-#endif
-
-#endif /* OSSL_INTERNAL_FFC_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 10:29:50 +0000