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a0cbcbb791
freebsd-nq/sys/opencrypto
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John Baldwin a0cbcbb791 cryptodev: Allow some CIOCCRYPT operations with an empty payload. 
If an operation would generate a MAC output (e.g. for digest operation
or for an AEAD or EtA operation), then an empty payload buffer is
valid.  Only reject requests with an empty buffer for "plain" cipher
sessions.

Some of the AES-CCM NIST KAT vectors use an empty payload.

While here, don't advance crp_payload_start for requests that use an
empty payload with an inline IV. (*)

Reported by:	syzbot+d4b94fbd9a44b032f428@syzkaller.appspotmail.com (*)
Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D32109
2021-10-06 14:08:47 -07:00
..
_cryptodev.h OpenCrypto: Convert sessions to opaque handles instead of integers 2018-07-18 00:56:25 +00:00
cbc_mac.c Adjust crypto_apply function callbacks for OCF. 2020-06-10 21:18:19 +00:00
cbc_mac.h Adjust crypto_apply function callbacks for OCF. 2020-06-10 21:18:19 +00:00
criov.c crypto: Remove now-unused crypto_cursor_seg{base,len}. 2021-06-16 15:23:16 -07:00
crypto.c opencrypto: Allow kern.crypto.allow_soft to be specified as a tunable 2021-09-20 12:07:29 -04:00
cryptodeflate.c Replace some K&R function definitions with ANSI C. 2020-11-03 22:32:30 +00:00
cryptodev_if.m OCF: Remove support for asymmetric cryptographic operations. 2021-04-12 14:28:43 -07:00
cryptodev.c cryptodev: Allow some CIOCCRYPT operations with an empty payload. 2021-10-06 14:08:47 -07:00
cryptodev.h cryptodev: Permit explicit IV/nonce and MAC/tag lengths. 2021-10-06 14:08:46 -07:00
cryptosoft.c cryptosoft, ccr: Use crp_iv directly for AES-CCM and AES-GCM. 2021-10-06 14:08:46 -07:00
deflate.h Consistently use C99 fixed-width types in the in-kernel crypto code. 2020-11-03 22:27:54 +00:00
gfmult.c Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights 2021-08-08 10:42:24 -04:00
gfmult.h Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights 2021-08-08 10:42:24 -04:00
gmac.c Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights 2021-08-08 10:42:24 -04:00
gmac.h Remove "All Rights Reserved" from FreeBSD Foundation sys/ copyrights 2021-08-08 10:42:24 -04:00
ktls_ocf.c ktls: Support asynchronous dispatch of AEAD ciphers. 2021-08-30 13:11:52 -07:00
ktls.h ktls: Support asynchronous dispatch of AEAD ciphers. 2021-08-30 13:11:52 -07:00
rmd160.c Consistently use C99 fixed-width types in the in-kernel crypto code. 2020-11-03 22:27:54 +00:00
rmd160.h Consistently use C99 fixed-width types in the in-kernel crypto code. 2020-11-03 22:27:54 +00:00
xform_aes_icm.c crypto: Permit variable-sized IVs for ciphers with a reinit hook. 2021-10-06 14:08:46 -07:00
xform_aes_xts.c crypto: Permit variable-sized IVs for ciphers with a reinit hook. 2021-10-06 14:08:46 -07:00
xform_auth.h crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_cbc_mac.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_chacha20_poly1305.c crypto: Permit variable-sized IVs for ciphers with a reinit hook. 2021-10-06 14:08:46 -07:00
xform_cml.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_comp.h crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_deflate.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_enc.h crypto: Permit variable-sized IVs for ciphers with a reinit hook. 2021-10-06 14:08:46 -07:00
xform_gmac.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_null.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_poly1305.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_rijndael.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_rmd160.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_sha1.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform_sha2.c crypto: Constify all transform descriptors 2021-07-26 16:41:05 -04:00
xform.c Remove MD5 HMAC from OCF. 2020-05-11 22:08:08 +00:00
xform.h Remove MD5 HMAC from OCF. 2020-05-11 22:08:08 +00:00