✏ 编辑: DH_get_2048_224.3

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.\"
.IX Title "DH_GET_1024_160 3"
.TH DH_GET_1024_160 3 "2023-09-11" "1.1.1w" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
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
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 4
\& #include <openssl/dh.h>
\& DH *DH_get_1024_160(void)
\& DH *DH_get_2048_224(void)
\& DH *DH_get_2048_256(void)
\&
\& 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
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fIDH_get_1024_160()\fR, \fIDH_get_2048_224()\fR, and \fIDH_get_2048_256()\fR each return
a \s-1DH\s0 object for the \s-1IETF RFC 5114\s0 value.
.PP
\&\fIBN_get0_nist_prime_192()\fR, \fIBN_get0_nist_prime_224()\fR, \fIBN_get0_nist_prime_256()\fR,
\&\fIBN_get0_nist_prime_384()\fR, and \fIBN_get0_nist_prime_521()\fR functions return
a \s-1BIGNUM\s0 for the specific \s-1NIST\s0 prime curve (e.g., P\-256).
.PP
\&\fIBN_get_rfc2409_prime_768()\fR, \fIBN_get_rfc2409_prime_1024()\fR,
\&\fIBN_get_rfc3526_prime_1536()\fR, \fIBN_get_rfc3526_prime_2048()\fR,
\&\fIBN_get_rfc3526_prime_3072()\fR, \fIBN_get_rfc3526_prime_4096()\fR,
\&\fIBN_get_rfc3526_prime_6144()\fR, and \fIBN_get_rfc3526_prime_8192()\fR functions
return a \s-1BIGNUM\s0 for the specified size from \s-1IETF RFC 2409. \s0 If \fBbn\fR
is not \s-1NULL,\s0 the \s-1BIGNUM\s0 will be set into that location as well.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
Defined above.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the OpenSSL license (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>.

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