Commit Graph

15001 Commits

Author SHA1 Message Date
David Brown
1bfe4d7fca Use new PSA builtin defines for CHACHA20
Change the psa_crypto use of the CHACHA20 cipher to also use the new
MBEDTLS_PSA_BUILTIN_KE_TYPE_CHACHA20.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:26:57 -07:00
David Brown
8107e31b74 Fix 2 endif comments
Two endif comments didn't match the ifdef.  Fix these to match.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:26:56 -07:00
David Brown
12ca50307f Change some conditionals of PSA to use BUILTIN
Change a few conditionals in the psa library to be based on the
MBEDTLS_PSA_BUILTIN_KEY_TYPE_DES instead of the WANT macros.  Future
additions of HW acceleration will need to be mindful of these
definitions if any of this code is needed in those instances.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:26:20 -07:00
David Brown
db01e0271f Remove an unnecessary #else and commented line
With the else branch commented out, both lines are unnecessary.  We
could check for the invalid configuration in the future, once tests were
made to exclude this combination.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
be380c1e0f Remove incorrect PSA ECB definition
There is no PSA ALG_ECB, only ALG_ECB_NO_PADDING.  Fix one incorrect
declaration, and remove another that is just redundant.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
8de6437bb6 Cleanup PSA CBC padding defines
Only define MBEDTLS_CIPHER_MODE_CBC if one of the CBC modes is requested
and everything isn't covered by an accelerated version.  This keeps this
from being defined in cases where everything needed would be
accelerated.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
7807bf7404 Use proper conditional for software DES
When converting definitions to use the new PSA defines, one erroneously
was conditionalized on the WANT macro instead of on the BUILTIN macro.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
288a96e169 Fix mistyped endif comment
Correct the endif comment to match the condition used in the ifdef.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
9f3e7749d9 Revert "Change some examples to use new PSA crypto config"
This reverts commit 4192e9a90c210005f6b558ec51c6a694c902b51d.

Converting conditional compliation for PSA configuration will come
later.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
86730a8d50 Add missing MBEDTLS_PSA_BUILTIN for ChaCha20-Poly1305
Add these missing definitions when this configration is chosen.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
fc46818eeb Cleanup PSA ifdefs for CBC block mode
Try to make these definitions clearer given the complexity of the
mapping between the PSA config options and the MBEDTLS ones.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
10cb81c0a0 Add some missing MBEDTLS_PSA_BUILTIN_ definitions
Add a few instances where the builtin macros for these algorithms were
missed.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
f84a0f691e Simplify block cipher PSA definitions
If any of the software block ciphers are selected, define an internal
macro to indicate this.  This eliminates some redundancy that needs to
check for this.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
e1f91f07cd Consolidate PSA ifdefs for block ciphers
Combine some separate ifdef blocks to make it clearer when various
internal values are defined.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
18658a7896 Disable error on CHACHAPOLY misconfiguration
As the test tries this in multiple configurations, an #error here will
fail CI.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
ac4fa07fa3 Add PSA config support for ChaCha20+Poly1305
Add checks for PSA_WANT_ALG_CHACHA20_POLY1305.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
b16727a603 Add PSA config for ChaCha20
Add checks for PSA_WANT_KEY_TYPE_CHACHA20, both with and without
MBEDTLS_PSA_CRYPTO_CONFIG.  This only adds support for the ciphers
itself, presumably as a stream cipher (and not yet AEAD).

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
b781f75401 Define SW crypto algorithms if block modes need it
Even if there is an accelerated version of a (block) key type, enable
the SW implementation if there are block modes that don't have
acceleration.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
5256e69cda Fix typo in psa config comment
Change "are" to "aren't" to avoid making the comment misleading.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
4869dcdc90 Change some examples to use new PSA crypto config
Change a few instances of MBEDTLS_AES_C to PSA_WANT_KEY_TYPE_AES for
PSA-specific demos.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:34 -07:00
David Brown
0baa7b5e98 Change ifdefs in psa_crypto.c to new WANT macros
There are a few instances of MBEDTLS_*_C (specifically for DES) in
psa_crypto.c.  Change to the PSA_WANT_KEY_TYPE_DES macros to reflect the
new PSA crypto config.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:25:32 -07:00
David Brown
4b9ec7a598 Add checks for HW acceleration of ciphers and padding
Add additional ifdef checks in the PSA config to detect when an
algorithm is entirely implemented in hardware.  If there is any
combination of cipher and padding type that is not supported by the HW
acceleration, enable the SW acceleration.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
63ca260827 Change psa_crypto.c ifdefs for cipher modes
Change to use the MBEDTLS_PSA_BUILTIN... macros defined by the cipher
modes.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
12f45f99da Add definitions for builtins for cipher modes
Create these definitions for the various cipher modes.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
da7dbb72ed Add building definitions for non-crypto-config case
Ensure that the builtin definitions are defined when selected by the
traditional configuration options.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
e04acc271c Use PSA definitions in PSA file
This file will always be used with the PSA configurations, so use the
MBEDTLS_PSA_BUILTIN... definitions for the symmetric cyphers.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
bc1731b24e Fix small error in a comment
Use '||' instead of 'or' for consistency.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
db003f31fc Remove unused definition
PSA defines CBC with no padding, and CBC with PKCS7 padding.  The bare
"ALG_CBC" is not defined, so remove this definition.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
78a429b89a Add _BUILTIN defines for new features
For the new features conditionalized on MBEDTLS_PSA_ACCEL_..., define a
correlated MBEDTLS_PSA_BUILTIN_... if it is not defined.  This prevents
check_names from considering these new defines as typos.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
9984427b4a Add feature support for block modes to PSA crypto config
Add support for supported block modes using the PSA crypto config.
These are mapped to Mbed TLS config options as best as possible.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
a9f1d83d31 Add symmetric ciphers and block modes
Update the psa/crypto_config.h with the newly defined PSA_WANT_
definitions for symmetric ciphers and block modes.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
b65a7f7b52 Add feature support for DES for PSA crypto config
Basic support for enabling DES through PSA_WANT_KEY_TYPE_DES.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
686e6e83d3 Add feature support for Camelia for PSA crypto config
Basic support for enabling Camelia through PSA_WANT_KEY_TYPE_CAMELIA.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
ec258cfae1 Add feature support for ARC4 for PSA crypto config
Basic support for enabling ARC4 through PSA_WANT_KEY_TYPE_ARC4.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
David Brown
949330827c Add feature support for AES for PSA crypto config
Basic support for enabling AES through PSA_WANT_KEY_TYPE_AES.

Signed-off-by: David Brown <david.brown@linaro.org>
2021-02-16 13:24:19 -07:00
Gilles Peskine
277a3a6609 Work around MSVC bug with duplicate static declarations
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 18:55:05 +01:00
Gilles Peskine
996f2168b6 Make it possible to include psa_crypto_random_impl.h with psa_util.h
There was some intentional duplication between
library/psa_crypto_random_impl.h and include/mbedtls/psa_util.h, with
the intent that the compiler would complain if one file was edited in
a way that's incompatible with the other file. However, the two files
were never included together, and in fact could not be included
together because some definitions can't be duplicated (type, static
variable).

Now library/psa_crypto_random_impl.h includes
include/mbedtls/psa_util.h, so the compiler will check what it can.
There is less redundancy since it isn't always possible to declare
something twice (specifically, types can't be declared).

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 16:50:00 +01:00
Gilles Peskine
2cff7e2a59 Minor clarification in the public documentation
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 16:49:42 +01:00
Gilles Peskine
cd2d648b00 Explain the "external RNG large" test case
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
d548d964db Clarify where mbedtls_psa_get_random might be useful
Also fix some typos.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
48113ebb62 Initialize the test RNG whenever it's present
It's no longer restricted to MBEDTLS_USE_PSA_CRYPTO.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
ddeb8896ff Exclude random_twice tests with MBEDTLS_TEST_NULL_ENTROPY
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
8e1e46ebb5 Fix the use of unitialized memory with MBEDTLS_TEST_NULL_ENTROPY
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
8133abd746 SSL test programs: always allow building with the PSA external RNG
The SSL test programs can now use the PSA RNG, and the PSA RNG can use
an external RNG. The build conditions hadn't been updated and didn't
cover the case when MBEDTLS_TEST_USE_PSA_CRYPTO_RNG is enabled but
MBEDTLS_USE_PSA_CRYPTO is disabled. Fix this.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
38c12fd48e In external_rng tests, disable the entropy module
The point of having an external RNG is that you can disable all
built-in RNG functionality: both the entropy part and the DRBG part.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
1dc19ffb29 The PSA external RNG does not require MBEDTLS_USE_PSA_CRYPTO
The dependency is on MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG plus
MBEDTLS_PSA_CRYPTO_C. MBEDTLS_USE_PSA_CRYPTO is irrelevant.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:06 +01:00
Gilles Peskine
b8c484088c Fix psa_destroy_key called after mbedtls_psa_crypto_free
Move the call to destroy the PSK to before freeing the SSL session
data and calling rng_free(), which deinitializes the PSA subsystem.
This particular ordering was chosen to make the ssl_client2 more
similar to ssl_server2. This fixes the client failing on the
psa_destroy_key() call in `ssl-opt.sh -f 'opaque psk on client'`.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:46:02 +01:00
Gilles Peskine
34babfc5b2 Add comments to a few #endif closing a long chunk
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:44:37 +01:00
Gilles Peskine
8eb2943705 Support mbedtls_psa_get_random() in SSL test programs
The SSL test programs can now use mbedtls_psa_get_random() rather than
entropy+DRBG as a random generator. This happens if
the configuration option MBEDTLS_USE_PSA_CRYPTO is enabled, or if
MBEDTLS_TEST_USE_PSA_CRYPTO_RNG is set at build time.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:39:48 +01:00
Gilles Peskine
e3ed802138 Expose mbedtls_psa_get_random()
Expose whatever RNG the PSA subsystem uses to applications using the
mbedtls_xxx API.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-02-16 15:39:48 +01:00