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116d2510f7
Similiar to ecdh this supports the legacy kdf inside the provider dh key exchange. The supporting EVP_PKEY_CTX macros have been changed into mehtods and moved into dh_ctrl.c New kdfs such as SSKDF should be done as a seperate pass after doing the derive. Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/12575)
44 lines
1.7 KiB
C
44 lines
1.7 KiB
C
/*
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* Copyright 2020 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/core.h>
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#include <openssl/dh.h>
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#include "internal/ffc.h"
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DH *dh_new_by_nid_with_libctx(OPENSSL_CTX *libctx, int nid);
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DH *dh_new_with_libctx(OPENSSL_CTX *libctx);
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int dh_generate_ffc_parameters(DH *dh, int type, int pbits, int qbits,
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BN_GENCB *cb);
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int dh_generate_public_key(BN_CTX *ctx, DH *dh, const BIGNUM *priv_key,
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BIGNUM *pub_key);
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int dh_get_named_group_uid_from_size(int pbits);
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const char *dh_gen_type_id2name(int id);
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void dh_cache_named_group(DH *dh);
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FFC_PARAMS *dh_get0_params(DH *dh);
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int dh_get0_nid(const DH *dh);
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int dh_ffc_params_fromdata(DH *dh, const OSSL_PARAM params[]);
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int dh_key_fromdata(DH *dh, const OSSL_PARAM params[]);
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int dh_check_pub_key_partial(const DH *dh, const BIGNUM *pub_key, int *ret);
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int dh_check_priv_key(const DH *dh, const BIGNUM *priv_key, int *ret);
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int dh_check_pairwise(DH *dh);
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const DH_METHOD *dh_get_method(const DH *dh);
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int dh_buf2key(DH *key, const unsigned char *buf, size_t len);
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size_t dh_key2buf(const DH *dh, unsigned char **pbuf, size_t size, int alloc);
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int dh_KDF_X9_42_asn1(unsigned char *out, size_t outlen,
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const unsigned char *Z, size_t Zlen,
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const char *cek_alg,
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const unsigned char *ukm, size_t ukmlen, const EVP_MD *md,
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OPENSSL_CTX *libctx, const char *propq);
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