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Submitted by: Robin Seggelmann <seggelmann@fh-muenster.de>
Reviewed by: steve
Fix DTLS bug which prevents manual MTU setting
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using OBJ xref utilities instead of string comparison with OID name.
This removes the arbitrary restriction on using SHA1 only with some ECC
ciphersuites.
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prohibit use of these ciphersuites for TLS < 1.2
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interfere with DTLS
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no FIPS compilation support
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This includes TLS v1.2 server and client support but at present
client certificate support is not implemented.
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all ssl related structures are opaque and internals cannot be directly
accessed. Many applications will need some modification to support this and
most likely some additional functions added to OpenSSL.
The advantage of this option is that any application supporting it will still
be binary compatible if SSL structures change.
(backport from HEAD).
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Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>
Fix other cases not covered by original patch. (correct patch this time!)
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Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>
Fix other cases not covered by original patch.
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Submitted By: Robin Seggelmann <seggelmann@fh-muenster.de>
Support for abbreviated handshakes when renegotiating.
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1. Send SCSV is not renegotiating, never empty RI.
2. Send RI if renegotiating.
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1. Add provisional SCSV value.
2. Don't send SCSV and RI at same time.
3. Fatal error is SCSV received when renegotiating.
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MCSV is now called SCSV.
Don't send SCSV if renegotiating.
Also note if RI is empty in debug messages.
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Change RI ctrl so it doesn't clash.
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work in SSLv3: initial handshake has no extensions but includes MCSV, if
server indicates RI support then renegotiation handshakes include RI.
NB: current MCSV value is bogus for testing only, will be updated when we
have an official value.
Change mismatch alerts to handshake_failure as required by spec.
Also have some debugging fprintfs so we can clearly see what is going on
if OPENSSL_RI_DEBUG is set.
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Submitted by: Tomas Mraz <tmraz@redhat.com>
Approved by: steve@openssl.org
Don't access freed SSL_CTX in SSL_free().
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structures.
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Submitted by: steve@openssl.org
Our DTLS implementation doesn't currently handle ECDHE so don't include
unsupported ciphers in client hello.
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assume an application *really* wants SSLv2 if they do that.
Otherwise stick with the default which excludes all SSLv2 cipher suites.
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Submitted by: David Woodhouse <dwmw2@infradead.org>
Approved by: steve@openssl.org
Compatibility patches for Cisco VPN client DTLS.
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knock-on work than expected - they've been extracted into a patch
series that can be completed elsewhere, or in a different branch,
before merging back to HEAD.
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not used.
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Also, get rid of compile-time switch OPENSSL_NO_RELEASE_BUFFERS
because it was rather pointless (the new behavior has to be explicitly
requested by setting SSL_MODE_RELEASE_BUFFERS anyway).
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of handshake failure
2. Changes to x509_certificate_type function (crypto/x509/x509type.c) to
make it recognize GOST certificates as EVP_PKT_SIGN|EVP_PKT_EXCH
(required for s3_srvr to accept GOST client certificates).
3. Changes to EVP
- adding of function EVP_PKEY_CTX_get0_peerkey
- Make function EVP_PKEY_derive_set_peerkey work for context with
ENCRYPT operation, because we use peerkey field in the context to
pass non-ephemeral secret key to GOST encrypt operation.
- added EVP_PKEY_CTRL_SET_IV control command. It is really
GOST-specific, but it is used in SSL code, so it has to go
in some header file, available during libssl compilation
4. Fix to HMAC to avoid call of OPENSSL_cleanse on undefined data
5. Include des.h if KSSL_DEBUG is defined into some libssl files, to
make debugging output which depends on constants defined there, work
and other KSSL_DEBUG output fixes
6. Declaration of real GOST ciphersuites, two authentication methods
SSL_aGOST94 and SSL_aGOST2001 and one key exchange method SSL_kGOST
7. Implementation of these methods.
8. Support for sending unsolicited serverhello extension if GOST
ciphersuite is selected. It is require for interoperability with
CryptoPro CSP 3.0 and 3.6 and controlled by
SSL_OP_CRYPTOPRO_TLSEXT_BUG constant.
This constant is added to SSL_OP_ALL, because it does nothing, if
non-GOST ciphersuite is selected, and all implementation of GOST
include compatibility with CryptoPro.
9. Support for CertificateVerify message without length field. It is
another CryptoPro bug, but support is made unconditional, because it
does no harm for draft-conforming implementation.
10. In tls1_mac extra copy of stream mac context is no more done.
When I've written currently commited code I haven't read
EVP_DigestSignFinal manual carefully enough and haven't noticed that
it does an internal digest ctx copying.
This implementation was tested against
1. CryptoPro CSP 3.6 client and server
2. Cryptopro CSP 3.0 server
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