6 Commits

Author SHA1 Message Date
Samuel Neves
09b7de77b3 Use only unsigned arithmetic in constant-time operations
Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
2014-10-28 20:50:44 +01:00
Kurt Cancemi
3c7fcdfdd4 RT3547: Add missing static qualifier
Reviewed-by: Ben Laurie <ben@openssl.org>
(cherry picked from commit 87d388c955c14a7c1371f9c7555fb429a406a3d3)
2014-10-17 11:48:42 +02:00
Emilia Kasper
8d507aee7c RT3067: simplify patch
(Original commit adb46dbc6dd7347750df2468c93e8c34bcb93a4b)

Use the new constant-time methods consistently in s3_srvr.c

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
(cherry picked from commit 455b65dfab0de51c9f67b3c909311770f2b3f801)
2014-09-24 15:52:41 +02:00
Emilia Kasper
0f04b004ac RT3066: rewrite RSA padding checks to be slightly more constant time.
Also tweak s3_cbc.c to use new constant-time methods.
Also fix memory leaks from internal errors in RSA_padding_check_PKCS1_OAEP_mgf1

This patch is based on the original RT submission by Adam Langley <agl@chromium.org>,
as well as code from BoringSSL and OpenSSL.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>

Conflicts:
	crypto/rsa/rsa_oaep.c
2014-09-24 14:17:41 +02:00
Emilia Kasper
e517dfd3d1 Make the inline const-time functions static.
"inline" without static is not correct as the compiler may choose to ignore it
and will then either emit an external definition, or expect one.

Reviewed-by: Geoff Thorpe <geoff@openssl.org>
(cherry picked from commit 86f50b36e63275a916b147f9d8764e3c0c060fdb)
2014-09-02 15:24:59 +02:00
Emilia Kasper
e7169a5835 Constant-time utilities
Pull constant-time methods out to a separate header, add tests.

Reviewed-by: Bodo Moeller <bodo@openssl.org>
(cherry picked from commit 9a9b0c0401cae443f115ff19921d347b20aa396b)

Conflicts:
	test/Makefile
2014-08-28 17:07:07 +02:00