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path: root/sshkey.h
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2018-10-20GSSAPI key exchange supportSimon Wilkinson
This patch has been rejected upstream: "None of the OpenSSH developers are in favour of adding this, and this situation has not changed for several years. This is not a slight on Simon's patch, which is of fine quality, but just that a) we don't trust GSSAPI implementations that much and b) we don't like adding new KEX since they are pre-auth attack surface. This one is particularly scary, since it requires hooks out to typically root-owned system resources." However, quite a lot of people rely on this in Debian, and it's better to have it merged into the main openssh package rather than having separate -krb5 packages (as we used to have). It seems to have a generally good security history. Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1242 Last-Updated: 2018-10-20 Patch-Name: gssapi.patch
2018-09-14upstream: garbage-collect moribund ssh_new_private() API.djm@openbsd.org
OpenBSD-Commit-ID: 7c05bf13b094093dfa01848a9306c82eb6e95f6c
2018-09-13upstream: hold our collective noses and use the openssl-1.1.x API indjm@openbsd.org
OpenSSH; feedback and ok tb@ jsing@ markus@ OpenBSD-Commit-ID: cacbcac87ce5da0d3ca7ef1b38a6f7fb349e4417
2018-09-12upstream: add sshkey_check_cert_sigtype() that checks adjm@openbsd.org
cert->signature_type against a supplied whitelist; ok markus OpenBSD-Commit-ID: caadb8073292ed7a9535e5adc067d11d356d9302
2018-09-12upstream: add cert->signature_type field and keep it in sync withdjm@openbsd.org
certificate signature wrt loading and certification operations; ok markus@ OpenBSD-Commit-ID: e8b8b9f76b66707a0cd926109c4383db8f664df3
2018-07-03upstream: some finesse to fix RSA-SHA2 certificate authenticationdjm@openbsd.org
for certs hosted in ssh-agent OpenBSD-Commit-ID: e5fd5edd726137dda2d020e1cdebc464110a010f
2018-07-03upstream: Improve strictness and control over RSA-SHA2 signaturedjm@openbsd.org
In ssh, when an agent fails to return a RSA-SHA2 signature when requested and falls back to RSA-SHA1 instead, retry the signature to ensure that the public key algorithm sent in the SSH_MSG_USERAUTH matches the one in the signature itself. In sshd, strictly enforce that the public key algorithm sent in the SSH_MSG_USERAUTH message matches what appears in the signature. Make the sshd_config PubkeyAcceptedKeyTypes and HostbasedAcceptedKeyTypes options control accepted signature algorithms (previously they selected supported key types). This allows these options to ban RSA-SHA1 in favour of RSA-SHA2. Add new signature algorithms "rsa-sha2-256-cert-v01@openssh.com" and "rsa-sha2-512-cert-v01@openssh.com" to force use of RSA-SHA2 signatures with certificate keys. feedback and ok markus@ OpenBSD-Commit-ID: c6e9f6d45eed8962ad502d315d7eaef32c419dde
2018-02-27Check for attributes on prototype args.Darren Tucker
Some compilers (gcc 2.9.53, 3.0 and probably others, see gcc bug #3481) do not accept __attribute__ on function pointer prototype args. Check for this and hide them if they're not accepted.
2018-02-26upstream: Add experimental support for PQC XMSS keys (Extendedmarkus@openbsd.org
Hash-Based Signatures) The code is not compiled in by default (see WITH_XMSS in Makefile.inc) Joint work with stefan-lukas_gazdag at genua.eu See https://tools.ietf.org/html/draft-irtf-cfrg-xmss-hash-based-signatures-12 ok djm@ OpenBSD-Commit-ID: ef3eccb96762a5d6f135d7daeef608df7776a7ac
2017-12-19upstream commitdjm@openbsd.org
pass negotiated signing algorithm though to sshkey_verify() and check that the negotiated algorithm matches the type in the signature (only matters for RSA SHA1/SHA2 sigs). ok markus@ OpenBSD-Commit-ID: 735fb15bf4adc060d3bee9d047a4bcaaa81b1af9
2017-12-19upstream commitdjm@openbsd.org
sshkey_sigtype() function to return the type of a signature; ok markus@ OpenBSD-Commit-ID: d3772b065ad6eed97285589bfb544befed9032e8
2017-07-21upstream commitdjm@openbsd.org
remove post-SSHv1 removal dead code from rsa.c and merge the remaining bit that it still used into ssh-rsa.c; ok markus Upstream-ID: ac8a048d24dcd89594b0052ea5e3404b473bfa2f
2017-06-28upstream commitdjm@openbsd.org
Allow ssh-keygen to use a key held in ssh-agent as a CA when signing certificates. bz#2377 ok markus Upstream-ID: fb42e920b592edcbb5b50465739a867c09329c8f
2017-06-13upstream commitdjm@openbsd.org
missing prototype. Upstream-ID: f443d2be9910fd2165a0667956d03343c46f66c9
2017-05-08upstream commitdjm@openbsd.org
Refuse RSA keys <1024 bits in length. Improve reporting for keys that do not meet this requirement. ok markus@ Upstream-ID: b385e2a7b13b1484792ee681daaf79e1e203df6c
2017-05-08upstream commitnaddy@openbsd.org
remove miscellaneous SSH1 leftovers; ok markus@ Upstream-ID: af23696022ae4d45a1abc2fb8b490d8d9dd63b7c
2017-05-01upstream commitdjm@openbsd.org
remove KEY_RSA1 ok markus@ Upstream-ID: 7408517b077c892a86b581e19f82a163069bf133
2017-03-10upstream commitdjm@openbsd.org
fix regression in 7.4 server-sig-algs, where we were accidentally excluding SHA2 RSA signature methods. bz#2680, patch from Nuno Goncalves; ok dtucker@ Upstream-ID: 81ac8bfb30960447740b9b8f6a214dcf322f12e8
2016-09-13upstream commitdjm@openbsd.org
list all supported signature algorithms in the server-sig-algs Reported by mb AT smartftp.com in bz#2547 and (independantly) Ron Frederick; ok markus@ Upstream-ID: ddf702d721f54646b11ef2cee6d916666cb685cd
2016-05-02upstream commitdjm@openbsd.org
support SHA256 and SHA512 RSA signatures in certificates; ok markus@ Upstream-ID: b45be2f2ce8cacd794dc5730edaabc90e5eb434a
2015-12-07upstream commitmarkus@openbsd.org
implement SHA2-{256,512} for RSASSA-PKCS1-v1_5 signatures (user and host auth) based on draft-rsa-dsa-sha2-256-03.txt and draft-ssh-ext-info-04.txt; with & ok djm@ Upstream-ID: cf82ce532b2733e5c4b34bb7b7c94835632db309
2015-11-19upstream commitdjm@openbsd.org
move the certificate validity formatting code to sshkey.[ch] Upstream-ID: f05f7c78fab20d02ff1d5ceeda533ef52e8fe523
2015-09-16upstream committim@openbsd.org
- Fix error message: passphrase needs to be at least 5 characters, not 4. - Remove unused function argument. - Remove two unnecessary variables. OK djm@ Upstream-ID: 13010c05bfa8b523da1c0dc19e81dd180662bc30
2015-08-05upstream commitdjm@openbsd.org
backout SSH_RSA_MINIMUM_MODULUS_SIZE increase for this release; problems spotted by sthen@ ok deraadt@ markus@ Upstream-ID: d0bd60dde9e8c3cd7030007680371894c1499822
2015-07-15upstream commitdjm@openbsd.org
another SSH_RSA_MINIMUM_MODULUS_SIZE that needed cranking Upstream-ID: 9d8826cafe96aab4ae8e2f6fd22800874b7ffef1
2015-07-15upstream commitdjm@openbsd.org
delete support for legacy v00 certificates; "sure" markus@ dtucker@ Upstream-ID: b5b9bb5f9202d09e88f912989d74928601b6636f
2015-05-21upstream commitdjm@openbsd.org
refactor: split base64 encoding of pubkey into its own sshkey_to_base64() function and out of sshkey_write(); ok markus@ Upstream-ID: 54fc38f5832e9b91028900819bda46c3959a0c1a
2015-01-27upstream commitdjm@openbsd.org
small refactor and add some convenience functions; ok markus
2015-01-13upstream commitdjm@openbsd.org
add sshd_config HostbasedAcceptedKeyTypes and PubkeyAcceptedKeyTypes options to allow sshd to control what public key types will be accepted. Currently defaults to all. Feedback & ok markus@
2015-01-09upstream commitdjm@openbsd.org
deprecate key_load_private_pem() and sshkey_load_private_pem() interfaces. Refactor the generic key loading API to not require pathnames to be specified (they weren't really used). Fixes a few other things en passant: Makes ed25519 keys work for hostbased authentication (ssh-keysign previously used the PEM-only routines). Fixes key comment regression bz#2306: key pathnames were being lost as comment fields. ok markus@
2014-12-22upstream commitdjm@openbsd.org
Add FingerprintHash option to control algorithm used for key fingerprints. Default changes from MD5 to SHA256 and format from hex to base64. Feedback and ok naddy@ markus@
2014-08-20 - (djm) [sshkey.h] Fix compilation when OpenSSL lacks ECCDamien Miller
2014-07-02 - djm@cvs.openbsd.org 2014/06/24 01:13:21Damien Miller
[Makefile.in auth-bsdauth.c auth-chall.c auth-options.c auth-rsa.c [auth2-none.c auth2-pubkey.c authfile.c authfile.h cipher-3des1.c [cipher-chachapoly.c cipher-chachapoly.h cipher.c cipher.h [digest-libc.c digest-openssl.c digest.h dns.c entropy.c hmac.h [hostfile.c key.c key.h krl.c monitor.c packet.c rsa.c rsa.h [ssh-add.c ssh-agent.c ssh-dss.c ssh-ecdsa.c ssh-ed25519.c [ssh-keygen.c ssh-pkcs11-client.c ssh-pkcs11-helper.c ssh-pkcs11.c [ssh-rsa.c sshbuf-misc.c sshbuf.h sshconnect.c sshconnect1.c [sshconnect2.c sshd.c sshkey.c sshkey.h [openbsd-compat/openssl-compat.c openbsd-compat/openssl-compat.h] New key API: refactor key-related functions to be more library-like, existing API is offered as a set of wrappers. with and ok markus@ Thanks also to Ben Hawkes, David Tomaschik, Ivan Fratric, Matthew Dempsky and Ron Bowes for a detailed review a few months ago. NB. This commit also removes portable OpenSSH support for OpenSSL <0.9.8e.
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