Commit Graph

14 Commits

Author SHA1 Message Date
Bernd Edlinger
4209ce68d8 Revert "Fix Timing Oracle in RSA decryption"
This reverts commit b1892d21f8.

Except for the moving derive_kdk to a separate function.

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20281)
2023-04-04 12:13:27 +02:00
Dmitry Belyavskiy
b1892d21f8 Fix Timing Oracle in RSA decryption
A timing based side channel exists in the OpenSSL RSA Decryption
implementation which could be sufficient to recover a plaintext across
a network in a Bleichenbacher style attack. To achieve a successful
decryption an attacker would have to be able to send a very large number
of trial messages for decryption. The vulnerability affects all RSA
padding modes: PKCS#1 v1.5, RSA-OEAP and RSASVE.

Patch written by Dmitry Belyavsky and Hubert Kario

CVE-2022-4304

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
2023-02-07 17:05:10 +01:00
Bernd Edlinger
30667f5c30 Limit size of modulus for bn_mul_mont and BN_mod_exp_mont_consttime
Otherwise the alloca can cause an exception.

Issue reported by Jiayi Lin.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Todd Short <todd.short@me.com>
(Merged from https://github.com/openssl/openssl/pull/20005)
2023-01-14 11:37:18 +01:00
Matt Caswell
fecb3aae22 Update copyright year
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Release: yes
2022-05-03 13:34:51 +01:00
Richard Levitte
99d3349d6f BIGNUM: Add a comment on chunk order in struct bignum_st
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17139)
2022-01-20 17:57:39 +01:00
Rich Salz
a935791d54 Rework and make DEBUG macros consistent.
Remove unused -DCONF_DEBUG and -DBN_CTX_DEBUG.

Rename REF_PRINT to REF_DEBUG for consistency, and add a new
tracing category and use it for printing reference counts.

Rename -DDEBUG_UNUSED to -DUNUSED_RESULT_DEBUG

Fix BN_DEBUG_RAND so it compiles and, when set, force DEBUG_RAND to
be set also.

Rename engine_debug_ref to be ENGINE_REF_PRINT also for consistency.

Fixes #15357

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15353)
2021-05-28 10:04:31 +02:00
Pauli
36ec749fda bn: rename bn_check_prime_int -> ossl_bn_check_primt
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/15445)
2021-05-27 09:35:50 +10:00
Matt Caswell
3c2bdd7df9 Update copyright year
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14801)
2021-04-08 13:04:41 +01:00
Amitay Isaacs
5de32f22e7 Use numbers definition of int128_t and uint128_t
Signed-off-by: Amitay Isaacs <amitay@ozlabs.org>

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14784)
2021-04-08 12:18:09 +01:00
Matt Caswell
33388b44b6 Update copyright year
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11616)
2020-04-23 13:55:52 +01:00
Wataru Ashihara
af6c6c21e6 crypto/bn: fix debug build
Fixes:

    gcc  -I. -Iinclude -Iproviders/common/include -Iproviders/implementations/include -Icrypto/include  -DSTATIC_LEGACY -DBN_DEBUG -DREF_DEBUG     -DCONF_DEBUG -DBN_CTX_DEBUG -DOPENSSL_NO_ASM -ggdb -g2 -Wformat -Wshadow -Wmissing-prototypes -Wmissing-declarations -Werror      -DOPENSSL_BUILDING_OPENSSL -DOPENSSLDIR="\"/home/wsh/opt/openssl/ssl\"" -DENGINESDIR="\"/home/wsh/opt/openssl/lib/engines-3\""     -DMODULESDIR="\"/home/wsh/opt/openssl/lib/ossl-modules\""   -MMD -MF crypto/bn/libcrypto-lib-bn_conv.d.tmp -MT crypto/bn/libcrypto-lib-bn_conv.o -c -o crypto/bn/libcrypto-lib-bn_conv.o crypto/bn/bn_conv.c
    In file included from crypto/bn/bn_conv.c:12:
    crypto/bn/bn_conv.c: In function 'BN_hex2bn':
    crypto/bn/bn_local.h:178:31: error: implicit declaration of function 'ossl_assert'; did you mean 'ossl_ssize_t'? [-Werror=implicit-function-declaration]
                             (void)ossl_assert((_top == 0 && !_bnum2->neg) || \
                                   ^~~~~~~~~~~
    crypto/bn/bn_conv.c:188:5: note: in expansion of macro 'bn_check_top'
         bn_check_top(ret);
         ^~~~~~~~~~~~

CLA: trivial

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10993)
2020-02-17 09:24:09 +10:00
Kurt Roeckx
42619397eb Add BN_check_prime()
Add a new API to test for primes that can't be misused, deprecated the
old APIs.

Suggested by Jake Massimo and Kenneth Paterson

Reviewed-by: Paul Dale <paul.dale@oracle.com>
GH: #9272
2019-10-14 22:54:02 +02:00
Dr. Matthias St. Pierre
ae4186b004 Fix header file include guard names
Make the include guards consistent by renaming them systematically according
to the naming conventions below

For the public header files (in the 'include/openssl' directory), the guard
names try to match the path specified in the include directives, with
all letters converted to upper case and '/' and '.' replaced by '_'. For the
private header files files, an extra 'OSSL_' is added as prefix.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)
2019-09-28 20:26:36 +02:00
Dr. Matthias St. Pierre
706457b7bd Reorganize local header files
Apart from public and internal header files, there is a third type called
local header files, which are located next to source files in the source
directory. Currently, they have different suffixes like

  '*_lcl.h', '*_local.h', or '*_int.h'

This commit changes the different suffixes to '*_local.h' uniformly.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)
2019-09-28 20:26:35 +02:00