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to create KRLs using SHA256/base64 key fingerprints; ok markus@
OpenBSD-Commit-ID: a0590fd34e7f1141f2873ab3acc57442560e6a94
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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
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Switch to recallocarray() for a few operations. Both
growth and shrinkage are handled safely, and there also is no need for
preallocation dances. Future changes in this area will be less error prone.
Review and one bug found by markus
Upstream-ID: 822d664d6a5a1d10eccb23acdd53578a679d5065
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krl.c
Upstream-ID: fc5e695d5d107d730182e2da7b23f00b489e0ee1
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Add MAXIMUM(), MINIMUM(), and ROUNDUP() to misc.h, then
use those definitions rather than pulling <sys/param.h> and unknown namespace
pollution. ok djm markus dtucker
Upstream-ID: 712cafa816c9f012a61628b66b9fbd5687223fb8
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fix three bugs in KRL code related to (unused) signature
support: verification length was being incorrectly calculated, multiple
signatures were being incorrectly processed and a NULL dereference that
occurred when signatures were verified. Reported by Carl Jackson
Upstream-ID: e705e97ad3ccce84291eaa651708dd1b9692576b
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Remove NULL-checks before sshbuf_free().
ok djm@
Upstream-ID: 5ebed00ed5f9f03b119a345085e8774565466917
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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
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Fix occurrences of "r = func() != 0" which result in the
wrong error codes being returned due to != having higher precedence than =.
ok deraadt@ markus@
Upstream-ID: 5fc35c9fc0319cc6fca243632662d2f06b5fd840
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delete support for legacy v00 certificates; "sure"
markus@ dtucker@
Upstream-ID: b5b9bb5f9202d09e88f912989d74928601b6636f
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correct test to sshkey_sign(); spotted by Albert S.
Upstream-ID: 5f7347f40f0ca6abdaca2edb3bd62f4776518933
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permit KRLs that revoke certificates by serial number or
key ID without scoping to a particular CA; ok markus@
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small refactor and add some convenience functions; ok
markus
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Reduce use of <sys/param.h> and transition to <limits.h>
throughout. ok djm markus
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fix format strings in (disabled) debugging
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string truncation due to sizeof(size) ok djm markus
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fix some regressions caused by upstream merges
enable KRLs now that they no longer require BIGNUMs
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Disables and removes dependency on OpenSSL. Many features don't
work and the set of crypto options is greatly restricted. This
will only work on system with native arc4random or /dev/urandom.
Considered highly experimental for now.
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avoid BIGNUM in KRL code by using a simple bitmap;
feedback and ok markus
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sync changes from libopenssh; prepared by markus@ mostly
debug output tweaks, a couple of error return value changes and some other
minor stuff
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missing error assigment on sshbuf_put_string()
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free->sshkey_free; ok djm@
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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@
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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@
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convert KRL code to new buffer API
ok markus@
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fix NULL pointer dereference crash on invalid timestamp
found using Michal Zalewski's afl fuzzer
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fix KRL generation when multiple CAs are in use
We would generate an invalid KRL when revoking certs by serial
number for multiple CA keys due to a section being written out
twice.
Also extend the regress test to catch this case by having it
produce a multi-CA KRL.
Reported by peter AT pean.org
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[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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[krl.c]
fix bug in KRL generation: multiple consecutive revoked certificate
serial number ranges could be serialised to an invalid format.
Readers of a broken KRL caused by this bug will fail closed, so no
should-have-been-revoked key will be accepted.
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[authfile.c bufaux.c buffer.h channels.c krl.c mux.c packet.c packet.h]
[ssh-keygen.c]
buffer_get_string_ptr's return should be const to remind
callers that futzing with it will futz with the actual buffer
contents
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[auth2-chall.c authfd.c authfile.c bufaux.c bufec.c canohost.c]
[channels.c cipher-chachapoly.c clientloop.c configure.ac hostfile.c]
[kexc25519.c krl.c monitor.c sandbox-systrace.c session.c]
[sftp-client.c ssh-keygen.c ssh.c sshconnect2.c sshd.c sshlogin.c]
[openbsd-compat/explicit_bzero.c openbsd-compat/openbsd-compat.h]
replace most bzero with explicit_bzero, except a few that cna be memset
ok djm dtucker
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[krl.c]
fix verification error in (as-yet usused) KRL signature checking path
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[krl.c]
don't leak the rdata blob on errors; ok djm@
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[auth2-gss.c krl.c sshconnect2.c]
hush some {unused, printf type} warnings
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[krl.c]
Remove bogus include. ok djm
(id sync only)
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err.h include from krl.c. Additional portability fixes for modpipe. OK djm
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[krl.c]
actually use the xrealloc() return value; spotted by xi.wang AT gmail.com
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[krl.c]
redo last commit without the vi-vomit that snuck in:
skip serial lookup when cert's serial number is zero
(now with 100% better comment)
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[krl.c]
Revert last. Breaks due to likely typo. Let djm@ fix later.
ok djm@ via dlg@
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[krl.c]
skip serial lookup when cert's serial number is zero
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- djm@cvs.openbsd.org 2013/01/24 21:45:37
[krl.c]
fix handling of (unused) KRL signatures; skip string in correct buffer
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version.
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[krl.c]
RB_INSERT does not remove existing elments; ok djm@
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[krl.c]
fix KRL generation bug for list sections
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[auth.c key.c key.h ssh-keygen.1 ssh-keygen.c sshd_config.5]
[krl.c krl.h PROTOCOL.krl]
add support for Key Revocation Lists (KRLs). These are a compact way to
represent lists of revoked keys and certificates, taking as little as
a single bit of incremental cost to revoke a certificate by serial number.
KRLs are loaded via the existing RevokedKeys sshd_config option.
feedback and ok markus@
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