46 lines
1.4 KiB
Text
46 lines
1.4 KiB
Text
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=pod
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=head1 NAME
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SSL_get_peer_signature_nid, SSL_get_peer_signature_type_nid - get TLS
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message signing types
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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int SSL_get_peer_signature_nid(SSL *ssl, int *psig_nid);
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int SSL_get_peer_signature_type_nid(const SSL *ssl, int *psigtype_nid);
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=head1 DESCRIPTION
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SSL_get_peer_signature_nid() sets B<*psig_nid> to the NID of the digest used
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by the peer to sign TLS messages. It is implemented as a macro.
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SSL_get_peer_signature_type_nid() sets B<*psigtype_nid> to the signature
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type used by the peer to sign TLS messages. Currently the signature type
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is the NID of the public key type used for signing except for PSS signing
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where it is B<EVP_PKEY_RSA_PSS>.
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=head1 RETURN VALUES
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These functions return 1 for success and 0 for failure. There are several
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possible reasons for failure: the ciphersuite has no signature (e.g. it
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uses RSA key exchange or is anonymous), the TLS version is below 1.2 or
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the functions were called before the peer signed a message.
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=head1 SEE ALSO
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L<ssl(7)>, L<SSL_get_peer_certificate(3)>,
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=head1 COPYRIGHT
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Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (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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