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Title "SSL_GET_PEER_SIGNATURE_NID 3"
way too many mistakes in technical documents.
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.... Set up some character translations and predefined strings. \*(-- will
give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
double quote, and \*(R" will give a right double quote. \*(C+ will
give a nicer C++. Capital omega is used to do unbreakable dashes and
therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
nothing in troff, for use with C<>.
.tr \(*W- . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\}
Escape single quotes in literal strings from groff's Unicode transform.
If the F register is >0, we'll generate index entries on stderr for
titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
entries marked with X<> in POD. Of course, you'll have to process the
output yourself in some meaningful fashion.
Avoid warning from groff about undefined register 'F'.
.. .nr rF 0 . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF
Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
Fear. Run. Save yourself. No user-serviceable parts.
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Title "SSL_GET_PEER_SIGNATURE_NID 3"
SSL_GET_PEER_SIGNATURE_NID 3 "2022-11-01" "1.1.1s" "OpenSSL"
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"NAME"
SSL_get_peer_signature_nid, SSL_get_peer_signature_type_nid, SSL_get_signature_nid, SSL_get_signature_type_nid - get TLS message signing types
"SYNOPSIS"
Header "SYNOPSIS" .Vb 1
#include <openssl/ssl.h>
\&
int SSL_get_peer_signature_nid(SSL *ssl, int *psig_nid);
int SSL_get_peer_signature_type_nid(const SSL *ssl, int *psigtype_nid);
int SSL_get_signature_nid(SSL *ssl, int *psig_nid);
int SSL_get_signature_type_nid(const SSL *ssl, int *psigtype_nid);
.Ve
"DESCRIPTION"
Header "DESCRIPTION" \fBSSL_get_peer_signature_nid() sets *psig_nid to the \s-1NID\s0 of the digest used
by the peer to sign \s-1TLS\s0 messages. It is implemented as a macro.
\fBSSL_get_peer_signature_type_nid() sets *psigtype_nid to the signature type used by the peer to sign \s-1TLS\s0 messages. Currently the signature type is the \s-1NID\s0 of the public key type used for signing except for \s-1PSS\s0 signing where it is \s-1EVP_PKEY_RSA_PSS\s0. To differentiate between \fBrsa_pss_rsae_* and rsa_pss_pss_* signatures, it's necessary to check the type of public key in the peer's certificate.
\fBSSL_get_signature_nid() and SSL_get_signature_type_nid() return the equivalent information for the local end of the connection.
"RETURN VALUES"
Header "RETURN VALUES" These functions return 1 for success and 0 for failure. There are several
possible reasons for failure: the cipher suite has no signature (e.g. it
uses \s-1RSA\s0 key exchange or is anonymous), the \s-1TLS\s0 version is below 1.2 or
the functions were called too early, e.g. before the peer signed a message.
"SEE ALSO"
Header "SEE ALSO" \fBssl\|(7), SSL_get_peer_certificate\|(3),
"COPYRIGHT"
Header "COPYRIGHT" Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
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>.