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3dbf824380
There was recently an instance where a user was confused by the deprecation warnings in the docs. They believed the warning applied to the immediately preceding function declarations, when it fact it applied to the following function declarations. https://mta.openssl.org/pipermail/openssl-users/2021-December/014665.html We clarify the wording to make it clear that the warning applies to the following functions. Reviewed-by: Paul Dale <pauli@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/17180)
101 lines
3.8 KiB
Plaintext
101 lines
3.8 KiB
Plaintext
=pod
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=head1 NAME
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SRP_Calc_server_key,
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SRP_Calc_A,
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SRP_Calc_B_ex,
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SRP_Calc_B,
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SRP_Calc_u_ex,
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SRP_Calc_u,
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SRP_Calc_x_ex,
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SRP_Calc_x,
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SRP_Calc_client_key_ex,
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SRP_Calc_client_key
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- SRP authentication primitives
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=head1 SYNOPSIS
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#include <openssl/srp.h>
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The following functions have been deprecated since OpenSSL 3.0, and can be
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hidden entirely by defining B<OPENSSL_API_COMPAT> with a suitable version value,
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see L<openssl_user_macros(7)>:
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/* server side .... */
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BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,
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const BIGNUM *b, const BIGNUM *N);
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BIGNUM *SRP_Calc_B_ex(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g,
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const BIGNUM *v, OSSL_LIB_CTX *libctx, const char *propq);
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BIGNUM *SRP_Calc_B(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g,
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const BIGNUM *v);
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BIGNUM *SRP_Calc_u_ex(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N,
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OSSL_LIB_CTX *libctx, const char *propq);
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BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N);
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/* client side .... */
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BIGNUM *SRP_Calc_client_key_ex(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
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const BIGNUM *x, const BIGNUM *a, const BIGNUM *u,
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OSSL_LIB_CTX *libctx, const char *propq);
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BIGNUM *SRP_Calc_client_key(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
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const BIGNUM *x, const BIGNUM *a, const BIGNUM *u);
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BIGNUM *SRP_Calc_x_ex(const BIGNUM *s, const char *user, const char *pass,
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OSSL_LIB_CTX *libctx, const char *propq);
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BIGNUM *SRP_Calc_x(const BIGNUM *s, const char *user, const char *pass);
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BIGNUM *SRP_Calc_A(const BIGNUM *a, const BIGNUM *N, const BIGNUM *g);
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=head1 DESCRIPTION
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All of the functions described on this page are deprecated. There are no
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available replacement functions at this time.
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The SRP functions described on this page are used to calculate various
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parameters and keys used by SRP as defined in RFC2945. The server key and I<B>
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and I<u> parameters are used on the server side and are calculated via
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SRP_Calc_server_key(), SRP_Calc_B_ex(), SRP_Calc_B(), SRP_Calc_u_ex() and
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SRP_Calc_u(). The client key and B<x> and B<A> parameters are used on the
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client side and are calculated via the functions SRP_Calc_client_key_ex(),
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SRP_Calc_client_key(), SRP_Calc_x_ex(), SRP_Calc_x() and SRP_Calc_A(). See
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RFC2945 for a detailed description of their usage and the meaning of the various
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BIGNUM parameters to these functions.
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Most of these functions come in two forms. Those that take a I<libctx> and
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I<propq> parameter, and those that don't. Any cryptogrpahic functions that
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are fetched and used during the calculation use the provided I<libctx> and
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I<propq>. See L<crypto(7)/ALGORITHM FETCHING> for more details. The variants
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that do not take a I<libctx> and I<propq> parameter use the default library
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context and property query string. The SRP_Calc_server_key() and SRP_Calc_A()
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functions do not have a form that takes I<libctx> or I<propq> parameters because
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they do not need to fetch any cryptographic algorithms.
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=head1 RETURN VALUES
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All these functions return the calculated key or parameter, or NULL on error.
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=head1 SEE ALSO
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L<openssl-srp(1)>,
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L<SRP_VBASE_new(3)>,
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L<SRP_user_pwd_new(3)>
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=head1 HISTORY
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SRP_Calc_B_ex, SRP_Calc_u_ex, SRP_Calc_client_key_ex and SRP_Calc_x_ex were
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introduced in OpenSSL 3.0.
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All of the other functions were added in OpenSSL 1.0.1.
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All of these functions were deprecated in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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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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L<https://www.openssl.org/source/license.html>.
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=cut
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