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PR: 1830

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Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>, Steve Henson

Support for RFC5705 key extractor.
This commit is contained in:
Dr. Stephen Henson 2010-07-18 17:39:46 +00:00
parent 9102342795
commit 53e7985c8d
3 changed files with 30 additions and 0 deletions
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3
CHANGES
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@ -4,6 +4,9 @@
Changes between 1.0.0a and 1.0.1 [xx XXX xxxx]
*) Add support for TLS key exporter as described in RFC5705.
[Robin Seggelmann <seggelmann@fh-muenster.de>, Steve Henson]
*) Initial TLSv1.1 support. Since TLSv1.1 is very similar to TLS v1.0 only
a few changes are required:

4
ssl/ssl.h
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@ -1812,6 +1812,10 @@ int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
/* Pre-shared secret session resumption functions */
int SSL_set_session_secret_cb(SSL *s, tls_session_secret_cb_fn tls_session_secret_cb, void *arg);
int SSL_tls1_key_exporter(SSL *s, unsigned char *label, int label_len,
unsigned char *context, int context_len,
unsigned char *out, int olen);
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.

23
ssl/t1_enc.c
View file

@ -1071,3 +1071,26 @@ int tls1_alert_code(int code)
}
}
int SSL_tls1_key_exporter(SSL *s, unsigned char *label, int label_len,
unsigned char *context, int context_len,
unsigned char *out, int olen)
{
unsigned char *tmp;
int rv;
tmp = OPENSSL_malloc(olen);
if (!tmp)
return 0;
rv = tls1_PRF(s->s3->tmp.new_cipher->algorithm2,
label, label_len,
s->s3->client_random,SSL3_RANDOM_SIZE,
s->s3->server_random,SSL3_RANDOM_SIZE,
context, context_len, NULL, 0,
s->session->master_key, s->session->master_key_length,
out, tmp, olen);
OPENSSL_free(tmp);
return rv;
}