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38 Commits

Author SHA1 Message Date
Milan Broz
72f799b393 Update Copyright year. 2023-02-09 17:11:18 +01:00
Milan Broz
ab975bc1c4 Update copyright year. 
And unify format in several places.
 2022-01-29 10:43:02 +01:00
Milan Broz
4cdd826282 Check exit value for snprintf where it makes sense. 2021-05-18 22:07:47 +02:00
Milan Broz
4309294c2a Remove unnecessary goto from cipher kernel wrapper. 2021-02-17 10:03:18 +01:00
Milan Broz
d1d9dd8e20 Update Copyright year. 2021-01-25 22:00:25 +01:00
lixiaokeng
f5abfde1fa lib: fix potential segfault in _crypt_cipher_crypt 
The value of header may be NULL. Check it to avoid
segfault.

Signed-off-by: Lixiaokeng <lixiaokeng@huawei.com>
Signed-off-by: Linfeilong <linfeilong@huawei.com>
 2020-11-09 09:57:16 +08:00
Milan Broz
080566a1fd Update copyright year. 2020-01-03 13:04:55 +01:00
Milan Broz
565de3c536 Fix check for bitlk iv overflow in crypto backend. 2019-12-30 21:53:06 +01:00
Milan Broz
f0888c1fe0 Add AEAD define on older kernel headers. 2019-12-30 21:53:06 +01:00
Milan Broz
494d8ec04c Add kernel backend for Bitlk key decryption. 2019-12-30 21:53:06 +01:00
Milan Broz
fc37d81144 Move crypt_cipher to per-lib implementation. 
For now, it calls kernel fallback only.
 2019-03-01 21:14:13 +01:00
Milan Broz
a859455aad Move block ciphers backend wrappers to per-library files. 
For now it always fallbacks to kernel crypto API.
 2019-03-01 21:10:50 +01:00
Milan Broz
a6f5ce8c7b Update copyright year. 
And unify name copyright format.
 2019-01-25 09:45:57 +01:00
Milan Broz
c5b55049b9 Fix AEAD modes check with kernel and Nettle backend. 
These do not implement backend RNG yet, so use a fixed key for test.
 2019-01-07 20:05:55 +01:00
Milan Broz
9a2dbb26a5 Fix signed/unsigned comparison warning. 2018-11-25 15:11:44 +01:00
Milan Broz
2f6d0c006c Check for algorithms string lengths in crypt_cipher_check(). 
The kernel check will fail anyway if string is truncated, but this
make some compilers more happy.
 2018-11-25 10:55:28 +01:00
Milan Broz
b4dce61918 Try to check if AEAD cipher is available through kernel crypto API. 2018-11-22 16:02:33 +01:00
Rafael Fontenelle
f35ec9771e Fix typos 
A bunch of typos reported by codespell, most of them comments in the code
 2018-07-21 07:24:25 -03:00
Milan Broz
9a72ec366d Move generic ciper backend utilities to separate file. 
And add wrapped key check.
 2018-04-15 15:31:10 +02:00
Milan Broz
6d2979459e Key parameter is always const in cipher and storage backend. 2018-02-23 10:40:17 +01:00
Milan Broz
b4fc36ea62 Make all crypto backend destructors return void. 
Nothing in the code actually checks the return values anyway.
 2018-02-23 10:40:11 +01:00
Milan Broz
1fe014dbae Update copyright year. 2018-01-20 17:55:21 +01:00
Milan Broz
98368c4770 Update copyright years. 2017-03-12 13:17:15 +01:00
Milan Broz
9ce5dd1082 Fix cipher_null key setting in kernel crypto backend. 2016-01-03 11:03:47 +01:00
Milan Broz
93ed401b7c Set skcipher key before accept() call in kernel crypto backend. 
Also relax input errno checking to catch all errors.
 2016-01-02 20:02:28 +01:00
Milan Broz
f7b61b2617 Prevent compiler to optiize-out memset for on-stack variables. 
Also see
https://cryptocoding.net/index.php/Coding_rules#Prevent_compiler_interference_with_security-critical_operations

The used code is inspired by the code in Blake2 implementation.
 2015-01-11 20:26:45 +01:00
Milan Broz
e84b1ed7c0 Fix scan-build warning (null use). 
Probably false positive but defensive approach is better here.
 2014-08-10 16:06:21 +02:00
Milan Broz
54c7a2b0aa Fix signed/unsigned compiler warnings. 2014-06-29 11:55:11 +02:00
Milan Broz
d5a72cd65a Fix typo in kernel backend. 2014-06-26 15:38:51 +02:00
Milan Broz
1436f2a0a0 Add wrapper for cipher block size query. 
There is no better way for now without loading crypto modules.
 2014-06-01 20:56:17 +02:00
Milan Broz
9563aa33c8 Fix PBKDF2 for crypto backens which does not support long HMAC keys. 
(Or it rehases key in every iteration.)

- Kernel backens seems not to support >20480 HMAC key
- NSS is slow (without proper key reset)

Add some test vectors (commented out by default).
 2014-04-13 19:34:50 +02:00
Milan Broz
fe4175b551 Fix some extended compile warning. 2013-01-10 17:26:19 +01:00
Milan Broz
46de69d0e6 Add kernel userspace header detection. 
Add --disable-kernel_crypto to allow compilation with old kernel.
 2012-12-30 12:28:30 +01:00
Milan Broz
7eccb7ff50 Change License for sub-libraries from GPLv2 only to LGPLv2.1+ ("or any later") 
This includes crypto, loopaes, tcrypt handling code I have written myself
and verity code written originally by Mikulas Patocka and modified by me,
copyright by Red Hat.

Other part of library have to stay GPLv2+ only for now
(no agreement from all authors).
 2012-12-29 11:47:28 +01:00
Milan Broz
a4585423fd Remove some gcc extra warnings (signed/unsigned problems etc). 2012-12-02 23:13:59 +01:00
Milan Broz
eac953c6e4 Fix skcipher failure handling. 2012-11-30 13:37:14 +01:00
Milan Broz
d7fc953fa2 Handle kernel crypto api init failure better. 2012-11-29 18:01:02 +01:00
Milan Broz
7199662fbb Add kernel skcipher backend. 2012-11-19 21:21:40 +01:00