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Command: SSL_get_finished | Section: 3 | Source: OpenBSD | File: SSL_get_finished.3
SSL_GET_FINISHED(3) FreeBSD Library Functions Manual SSL_GET_FINISHED(3)
NAME
SSL_get_finished, SSL_get_peer_finished - get last sent or last expected
finished message
SYNOPSIS
#include <openssl/ssl.h>
size_t
SSL_get_finished(const SSL *ssl, void *buf, size_t count);
size_t
SSL_get_peer_finished(const SSL *ssl, void *buf, size_t count);
DESCRIPTION
SSL_get_finished() and SSL_get_peer_finished() copy count bytes from the
last finished message sent to the peer or expected from the peer into the
caller-provided buffer buf.
The finished message is computed from a checksum of the handshake records
exchanged with the peer. Its length depends on the ciphersuite in use
and is at most EVP_MAX_MD_SIZE, i.e., 64 bytes.
RETURN VALUES
SSL_get_finished() and SSL_get_peer_finished() return the number of bytes
copied into buf. The return value is zero if the handshake has not
reached the finished message.
SEE ALSO
ssl(3), SSL_get_session(3), SSL_set_session(3)
STANDARDS
RFC 8446: The Transport Layer Security (TLS) Protocol Version 1.3,
section 4.4.4: Finished.
RFC 5246: The Transport Layer Security (TLS) Protocol Version 1.2,
section 7.4.9: Finished.
HISTORY
SSL_get_finished() and SSL_get_peer_finished() first appeared in SSLeay
0.9.5 and have been available since OpenBSD 2.7.
FreeBSD 14.1-RELEASE-p8 January 30, 2021 FreeBSD 14.1-RELEASE-p8