Commit Graph

13 Commits

Author SHA1 Message Date
Matt Caswell
4b9c750be8 Make sure we handle input NULL with length 0
If we call EVP_EncryptUpdate/EVP_DecryptUpdate with length 0 we should
be able to handle it. Most importantly we shouldn't get different
results if we do this compared to if we don't!

An exception is made for CCM mode which has special handling for this in
the low level cipher function.

Fixes #8675

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10530)
2019-11-29 10:41:06 +00:00
Matt Caswell
d23adad113 EVP_CIPHER_CTX_set_keylen should not succeed if a bad keylen is passed
EVP_CIPHER_CTX_set_keylen() was succeeding even though a bad key length
is passed to it. This is because the set_ctx_params() were all accepting
this parameter and blindly changing the keylen even though the cipher did
not accept a variable key length. Even removing this didn't entirely
resolve the issue because set_ctx_params() functions succeed even if
passed a parameter they do not recognise.

This should fix various issues found by OSSfuzz/Cryptofuzz.

Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/10449)
2019-11-19 13:33:54 +00:00
Richard Levitte
ff33581c67 Providers: fix OSSL_FUNC_CIPHER_CIPHER functions
This involves gcm_cipher() (providers/common/ciphers/cipher_gcm.c),
ccm_cipher() (providers/common/ciphers/cipher_ccm.c), and
tdes_wrap_cipher() (providers/common/ciphers/cipher_tdes_wrap.c)

These are generic implementations of the OSSL_FUNC_CIPHER_CIPHER
function, which returned -1 on error when they should return 0.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10137)
2019-10-11 15:55:36 +02:00
Richard Levitte
ddd21319e9 Cleanup: move remaining providers/common/include/internal/*.h
The end up in providers/common/include/prov/.
All inclusions are adjusted accordingly.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10088)
2019-10-10 14:12:15 +02:00
Richard Levitte
604e884bb8 Providers: move all ciphers
From providers/{common,default}/ to providers/implementations/

Except for common code, which remains in providers/common/ciphers/.
However, we do move providers/common/include/internal/ciphers/*.h
to providers/common/include/prov/, and adjust all source including
any of those header files.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10088)
2019-10-10 14:12:15 +02:00
Shane Lontis
089cb623be Move cipher ctx 'original iv' parameter into the provider
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10026)
2019-10-08 09:19:10 +10:00
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
Dr. Matthias St. Pierre
25f2138b0a Reorganize private crypto header files
Currently, there are two different directories which contain internal
header files of libcrypto which are meant to be shared internally:

While header files in 'include/internal' are intended to be shared
between libcrypto and libssl, the files in 'crypto/include/internal'
are intended to be shared inside libcrypto only.

To make things complicated, the include search path is set up in such
a way that the directive #include "internal/file.h" could refer to
a file in either of these two directoroes. This makes it necessary
in some cases to add a '_int.h' suffix to some files to resolve this
ambiguity:

  #include "internal/file.h"      # located in 'include/internal'
  #include "internal/file_int.h"  # located in 'crypto/include/internal'

This commit moves the private crypto headers from

  'crypto/include/internal'  to  'include/crypto'

As a result, the include directives become unambiguous

  #include "internal/file.h"       # located in 'include/internal'
  #include "crypto/file.h"         # located in 'include/crypto'

hence the superfluous '_int.h' suffixes can be stripped.

The files 'store_int.h' and 'store.h' need to be treated specially;
they are joined into a single file.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)
2019-09-28 20:26:34 +02:00
Shane Lontis
2e9645c8b9 Move gcm decryption tag check higher up in the callstack
Code was updated for s390 that accidently removed the check inside the final method.
Moving the check up before the final method is called is a better way of handling this.
The oneshot method also calls the final method but doesnt need to do this check.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9945)
2019-09-20 12:25:28 +10:00
Shane Lontis
dc64dc2edd Add EVP_CIPHER_CTX_tag_length()
There is no deprecated CTRL support for this new field.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9698)
2019-09-11 17:52:30 +10:00
Shane Lontis
1c3ace6898 Change provider params from int to size_t
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9699)
2019-09-05 11:23:57 +10:00
Shane Lontis
4a42e26404 Cleanup ciphers and Add 3des ciphers.
Moved the relevant ciphers into default and restructed headers to allow the move.
This removed most of the cases of #ifdef NO_XXX (which are now specified in build.info)

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9482)
2019-08-26 17:05:08 +10:00
Shane Lontis
e1178600cc Add basic aria and camellia ciphers modes to default provider
The aes code has been refactored into generic and algorithn specific parts,
so that most of the code can be shared.
The cipher related files have been broken up into smaller parts.
Add chunked variant of mode ciphers - aria uses this (many other ciphers will use this new code instead of the
generic code used by aes).

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9451)
2019-08-22 11:42:54 +10:00