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Title "DH_GET_1024_160 3ossl" 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 \s-1OPENSSL_API_COMPAT\s0 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 \s-1DH\s0 object for the \s-1IETF RFC 5114\s0 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 \s-1OSSL_PKEY_PARAM_GROUP_NAME\s0 as specified in \*(L"\s-1DH\s0 parameters\*(R" in \s-1EVP_PKEY-DH\s0\|(7)) to one of \*(L"dh_1024_160\*(R", \*(L"dh_2048_224\*(R" or \*(L"dh_2048_256\*(R".

\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 \s-1BIGNUM\s0 for the specific \s-1NIST\s0 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 \s-1BIGNUM\s0 for the specified size from \s-1IETF RFC 2409.\s0 If bn is not \s-1NULL,\s0 the \s-1BIGNUM\s0 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 \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.