| 1 | /*
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| 2 | * Copyright 2020-2022 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef OSSL_CRYPTO_DH_H
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| 11 | # define OSSL_CRYPTO_DH_H
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| 12 | # ifndef RT_WITHOUT_PRAGMA_ONCE /* VBOX */
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| 13 | # pragma once
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| 14 | # endif /* VBOX */
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| 15 |
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| 16 | # include <openssl/core.h>
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| 17 | # include <openssl/params.h>
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| 18 | # include <openssl/dh.h>
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| 19 | # include "internal/ffc.h"
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| 20 |
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| 21 | DH *ossl_dh_new_by_nid_ex(OSSL_LIB_CTX *libctx, int nid);
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| 22 | DH *ossl_dh_new_ex(OSSL_LIB_CTX *libctx);
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| 23 | void ossl_dh_set0_libctx(DH *d, OSSL_LIB_CTX *libctx);
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| 24 | int ossl_dh_generate_ffc_parameters(DH *dh, int type, int pbits, int qbits,
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| 25 | BN_GENCB *cb);
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| 26 | int ossl_dh_generate_public_key(BN_CTX *ctx, const DH *dh,
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| 27 | const BIGNUM *priv_key, BIGNUM *pub_key);
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| 28 | int ossl_dh_get_named_group_uid_from_size(int pbits);
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| 29 | const char *ossl_dh_gen_type_id2name(int id);
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| 30 | int ossl_dh_gen_type_name2id(const char *name, int type);
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| 31 | void ossl_dh_cache_named_group(DH *dh);
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| 32 | int ossl_dh_is_named_safe_prime_group(const DH *dh);
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| 33 |
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| 34 | FFC_PARAMS *ossl_dh_get0_params(DH *dh);
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| 35 | int ossl_dh_get0_nid(const DH *dh);
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| 36 | int ossl_dh_params_fromdata(DH *dh, const OSSL_PARAM params[]);
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| 37 | int ossl_dh_key_fromdata(DH *dh, const OSSL_PARAM params[], int include_private);
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| 38 | int ossl_dh_params_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]);
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| 39 | int ossl_dh_key_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[],
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| 40 | int include_private);
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| 41 | DH *ossl_dh_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf,
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| 42 | OSSL_LIB_CTX *libctx, const char *propq);
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| 43 | int ossl_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh);
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| 44 |
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| 45 | int ossl_dh_check_pub_key_partial(const DH *dh, const BIGNUM *pub_key, int *ret);
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| 46 | int ossl_dh_check_priv_key(const DH *dh, const BIGNUM *priv_key, int *ret);
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| 47 | int ossl_dh_check_pairwise(const DH *dh);
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| 48 |
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| 49 | const DH_METHOD *ossl_dh_get_method(const DH *dh);
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| 50 |
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| 51 | int ossl_dh_buf2key(DH *key, const unsigned char *buf, size_t len);
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| 52 | size_t ossl_dh_key2buf(const DH *dh, unsigned char **pbuf, size_t size,
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| 53 | int alloc);
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| 54 |
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| 55 | int ossl_dh_kdf_X9_42_asn1(unsigned char *out, size_t outlen,
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| 56 | const unsigned char *Z, size_t Zlen,
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| 57 | const char *cek_alg,
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| 58 | const unsigned char *ukm, size_t ukmlen,
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| 59 | const EVP_MD *md,
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| 60 | OSSL_LIB_CTX *libctx, const char *propq);
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| 61 | int ossl_dh_is_foreign(const DH *dh);
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| 62 | DH *ossl_dh_dup(const DH *dh, int selection);
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| 63 |
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| 64 | #endif /* OSSL_CRYPTO_DH_H */
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