$NetBSD: DH_get_1024_160.3,v 1.9 2024/09/08 13:08:18 christos Exp $

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Title "DH_get_1024_160 3" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
DH_get_1024_160, DH_get_2048_224, DH_get_2048_256, BN_get0_nist_prime_192, BN_get0_nist_prime_224, BN_get0_nist_prime_256, BN_get0_nist_prime_384, BN_get0_nist_prime_521, BN_get_rfc2409_prime_768, BN_get_rfc2409_prime_1024, BN_get_rfc3526_prime_1536, BN_get_rfc3526_prime_2048, BN_get_rfc3526_prime_3072, BN_get_rfc3526_prime_4096, BN_get_rfc3526_prime_6144, BN_get_rfc3526_prime_8192 \- Create standardized public primes or DH pairs Header "SYNOPSIS" .Vb 1 #include <openssl/dh.h> \& const BIGNUM *BN_get0_nist_prime_192(void); const BIGNUM *BN_get0_nist_prime_224(void); const BIGNUM *BN_get0_nist_prime_256(void); const BIGNUM *BN_get0_nist_prime_384(void); const BIGNUM *BN_get0_nist_prime_521(void); \& BIGNUM *BN_get_rfc2409_prime_768(BIGNUM *bn); BIGNUM *BN_get_rfc2409_prime_1024(BIGNUM *bn); BIGNUM *BN_get_rfc3526_prime_1536(BIGNUM *bn); BIGNUM *BN_get_rfc3526_prime_2048(BIGNUM *bn); BIGNUM *BN_get_rfc3526_prime_3072(BIGNUM *bn); BIGNUM *BN_get_rfc3526_prime_4096(BIGNUM *bn); BIGNUM *BN_get_rfc3526_prime_6144(BIGNUM *bn); BIGNUM *BN_get_rfc3526_prime_8192(BIGNUM *bn); .Ve

The following functions have been deprecated since OpenSSL 3.0, and can be hidden entirely by defining OPENSSL_API_COMPAT with a suitable version value, see openssl_user_macros\|(7):

.Vb 1 #include <openssl/dh.h> \& DH *DH_get_1024_160(void); DH *DH_get_2048_224(void); DH *DH_get_2048_256(void); .Ve

Header "DESCRIPTION" \fBDH_get_1024_160(), DH_get_2048_224(), and DH_get_2048_256() each return a DH object for the IETF RFC 5114 value. These functions are deprecated. Applications should instead use EVP_PKEY_CTX_set_dh_rfc5114() and \fBEVP_PKEY_CTX_set_dhx_rfc5114() as described in EVP_PKEY_CTX_ctrl\|(3) or by setting the OSSL_PKEY_PARAM_GROUP_NAME as specified in "DH parameters" in EVP_PKEY-DH\|(7)) to one of "dh_1024_160", "dh_2048_224" or "dh_2048_256".

\fBBN_get0_nist_prime_192(), BN_get0_nist_prime_224(), BN_get0_nist_prime_256(), \fBBN_get0_nist_prime_384(), and BN_get0_nist_prime_521() functions return a BIGNUM for the specific NIST prime curve (e.g., P-256).

\fBBN_get_rfc2409_prime_768(), BN_get_rfc2409_prime_1024(), \fBBN_get_rfc3526_prime_1536(), BN_get_rfc3526_prime_2048(), \fBBN_get_rfc3526_prime_3072(), BN_get_rfc3526_prime_4096(), \fBBN_get_rfc3526_prime_6144(), and BN_get_rfc3526_prime_8192() functions return a BIGNUM for the specified size from IETF RFC 2409. If bn is not NULL, the BIGNUM will be set into that location as well.

Header "RETURN VALUES" Defined above. Header "HISTORY" The functions DH_get_1024_160(), DH_get_2048_224() and DH_get_2048_256() were deprecated in OpenSSL 3.0. Header "COPYRIGHT" Copyright 2016-2021 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>.