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Author SHA1 Message Date
Andrzej Kurek
9241d18773 pk_wrap: rework and tidy up signature extraction 
Improve comments, use a normal buffer instead of mbedtls_asn1_buf,
remove unneeded variables and use shared utilities where possible.
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
b6016c52c5 pk_wrap: reuse a static buffer for signature extraction 
Use a buffer left over after importing a key to hold an extracted signature.
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
b7b0478f76 pk_wrap: rework signature extraction to work with small r and s values 
There is a probability that r will be encoded as 31 or less bytes in DER,
so additional padding is added in such case.
Added a signature-part extraction function to tidy up the code further.
 2018-11-22 11:17:37 -05:00
Manuel Pégourié-Gonnard
2baae9ef71 Add tests for ECDSA verify with short r, s values 
This is intended to test transcoding the signature to the format expected by
PSA (fixed-length encoding of r, s) when r and s have respectively:
- full length with initial null byte
- full length without initial null byte
- non-full length with initial null byte
- non-full length without initial null byte

The signatures were generated using:

programs/pkey/pk_sign tests/data_files/server5.key foo

where foo is an empty file, and with a variant of one of the following patches
applied:

diff --git a/library/ecdsa.c b/library/ecdsa.c
index abac015cebc6..e4a27b044516 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -305,7 +305,9 @@ static int ecdsa_sign_restartable( mbedtls_ecp_group *grp,
                 ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
                 goto cleanup;
             }
+            printf("\ngenerating r...\n");

+gen:
             MBEDTLS_MPI_CHK( mbedtls_ecp_gen_privkey( grp, pk, f_rng, p_rng ) );

 #if defined(MBEDTLS_ECP_RESTARTABLE)
@@ -317,6 +319,11 @@ mul:
             MBEDTLS_MPI_CHK( mbedtls_ecp_mul_restartable( grp, &R, pk, &grp->G,
                                                   f_rng, p_rng, ECDSA_RS_ECP ) );
             MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( pr, &R.X, &grp->N ) );
+
+            size_t bits = mbedtls_mpi_bitlen( pr );
+            printf("%zu ", bits);
+            if( bits != 255 )
+                goto gen;
         }
         while( mbedtls_mpi_cmp_int( pr, 0 ) == 0 );

or:

diff --git a/library/ecdsa.c b/library/ecdsa.c
index abac015cebc6..d704376e0c42 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -305,7 +305,9 @@ static int ecdsa_sign_restartable( mbedtls_ecp_group *grp,
                 ret = MBEDTLS_ERR_ECP_RANDOM_FAILED;
                 goto cleanup;
             }
+            printf("\ngenerating r...\n");

+gen:
             MBEDTLS_MPI_CHK( mbedtls_ecp_gen_privkey( grp, pk, f_rng, p_rng ) );

 #if defined(MBEDTLS_ECP_RESTARTABLE)
@@ -353,6 +355,11 @@ modn:
         MBEDTLS_MPI_CHK( mbedtls_mpi_inv_mod( s, pk, &grp->N ) );
         MBEDTLS_MPI_CHK( mbedtls_mpi_mul_mpi( s, s, &e ) );
         MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi( s, s, &grp->N ) );
+
+            size_t bits = mbedtls_mpi_bitlen( s );
+            printf("%zu ", bits);
+            if( bits != 247 )
+                goto gen;
     }
     while( mbedtls_mpi_cmp_int( s, 0 ) == 0 );

with the value edited manually between each run to get the desired bit length.
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
4f0253962e pk_wrap: improve error codes returned from ecdsa_verify_wrap 
Use the shared PSA utilities to translate errors.
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
2122774d72 pk_wrap: switch to helper functions defined in psa_util.h 
Remove duplicated helper functions.
Remove an unnecessary call to psa_crypto_init().
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
c05ec9f39c pk_wrap: test if a valid md_alg is passed to ecdsa_verify_wrap 
Adjust tests to pass a valid algorithm
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
cef91afab6 pk_wrap: destroy key slot on errors with policy or key importing 2018-11-22 11:17:37 -05:00
Andrzej Kurek
3f864c2457 pk_wrap: add a check for equal signature parts 2018-11-22 11:17:37 -05:00
Andrzej Kurek
b3d1b12177 pk_wrap: check if curve conversion is successful 2018-11-22 11:17:37 -05:00
Andrzej Kurek
ea84233e02 pk_wrap: nullify the signature pointer on error in extract_ecdsa_sig 
Fix a double free error in ecdsa_verify_wrap
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
6376d638b8 pk_wrap: cosmetic changes 
Adjust whitespaces and variable names
 2018-11-22 11:17:37 -05:00
Andrzej Kurek
8b036a6082 pk_wrap.c: add support for ecdsa signature verification using PSA 
Use PSA internally to verify signatures.
Add a conversion to a raw signature format.
 2018-11-22 11:17:37 -05:00
Hanno Becker
e10f191543 Remove MBEDTLS_PSA_CRYPTO_SPM from config.pl 
This configuration option has been removed by now.
 2018-11-22 09:43:35 +00:00
Hanno Becker
6e02197e24 Refer to PSA through MBEDTLS_USE_PSA_CRYPTO, not USE_PSA, in all.sh 2018-11-21 21:08:43 +00:00
Hanno Becker
4d30776826 Remove double white space 2018-11-21 21:08:43 +00:00
Hanno Becker
186b65ac61 Use MBEDTLS_PSA_UTIL_H instead of MBEDTLS_PSA_COMPAT_H in psa_util.h 
This is still an artifact from when psa_util.h was called psa_compat.h.
 2018-11-21 21:08:43 +00:00
Hanno Becker
51560b62ed State explicitly that any API depending on PSA is unstable 2018-11-21 21:08:43 +00:00
Hanno Becker
f0cd6191ef Update VisualC files 2018-11-21 21:08:43 +00:00
Hanno Becker
f5f9ea26bb Improve documentation of mbedtls_psa_err_translate_pk() 2018-11-21 21:08:43 +00:00
Hanno Becker
010cf7eced Add AEAD tag length parameter to mbedtls_psa_translate_cipher_mode() 
In case of AEAD ciphers, the cipher mode (and not even the entire content
of mbedtls_cipher_info_t) doesn't uniquely determine a psa_algorithm_t
because it doesn't specify the AEAD tag length, which however is included
in psa_algorithm_t identifiers.

This commit adds a tag length value to mbedtls_psa_translate_cipher_mode()
to account for that ambiguity.
 2018-11-21 21:08:43 +00:00
Hanno Becker
000334f398 Add function to translate PSA errors to PK module errors 2018-11-21 21:08:43 +00:00
Hanno Becker
afebf5a153 Fix Doxygen annotation in psa_util.h 2018-11-21 21:08:43 +00:00
Hanno Becker
5a9942e7d2 Initialize PSA Crypto implementation in ssl_server2 2018-11-21 21:08:43 +00:00
Hanno Becker
b2b468ba45 Initialize PSA Crypto implementation in ssl_client2.c 2018-11-21 21:08:43 +00:00
Hanno Becker
1cfc5ddb11 Initialize PSA Crypto implementation at the start of each test suite 2018-11-21 21:08:43 +00:00
Hanno Becker
b26c1938d2 Make PSA utility functions static inline 
Compilers warn about unused static functions.
 2018-11-21 21:08:43 +00:00
Hanno Becker
5525126ed8 Add PSA-to-Mbed TLS translations for cipher module 2018-11-21 21:08:43 +00:00
Hanno Becker
87837b2ec6 Add internal header for PSA utility functions 
This commit adds the header file mbedtls/psa_util.h which contains
static utility functions `mbedtls_psa_xxx()` used in the integration
of PSA Crypto into Mbed TLS.

Warning: These functions are internal only and may change at any time.
 2018-11-21 21:08:42 +00:00
Manuel Pégourié-Gonnard
655c0a8d76 Add build using PSA to all.sh 2018-11-21 21:08:40 +00:00
Manuel Pégourié-Gonnard
aeefa49edd Add config option for X.509/TLS to use PSA 2018-11-21 21:03:14 +00:00
Simon Butcher
55517ae95f Merge remote-tracking branch 'public/pr/2146' into development-proposed 2018-11-21 16:27:47 +00:00
Gilles Peskine
bc554f66ef Document Mbed Crypto and the PSA API 
Briefly explain that this is experimental, and document how to try it out.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
3f6470a517 psa: Add ChangeLog entry for adding Mbed Crypto 2018-11-21 12:54:57 +00:00
Jaeden Amero
acaabe796e crypto: Test without crypto as a submodule 
Add a test to ensure that when the crypto submodule is not used, the crypto
library is not created and that libmbedcrypto.a does not contain symbols
from files contained within the crypto submodule.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
ed93bdc8aa crypto: Test with crypto as a submodule 
- Check that libmbedcrypto was not built at the top level.
- Check that we've built libmbedcrypto with the correct files. Build
  libmbedcrypto with debug symbols and verify that files used are from the
  crypto submodule.
- Check that config.h is handled properly. Enable a feature at the top
  level that the crypto library submodule has disabled in its config.h, and
  check that the library symboles indicate that the feature is present in
  libmbedcrypto.
- Ensure basic functionality of the resulting build with a run of
  `make test` and `ssl-opt.sh`.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
ffeb1b8ab6 abi_check: Update submodules 
When grabbing a fresh copy of a branch, it's required to also fetch the
submodule. Add fetching the submodule to abi_check.py.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
7acb0cf01e abi_check: Allow checking current checkout 
Without a "--detach" option, git worktree will refuse to checkout a branch
that's already checked out. This makes the abi_check.py script not very
useful for checking the currently checked out branch, as git will error
that the branch is already checked out. Add the "--detach" option to check
out the new temporary worktree in detached head mode. This is acceptable
because we aren't planning on working on the branch and just want a
checkout to do ABI checking from.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
484ee33c35 psa: Add PSA Crypto configuration 
Add an option that can enable the exposure of PSA Crypto APIs from
libmbedcrypto.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
30b340a760 crypto: Add mbedtls-psa as a submodule 
mbedtls-psa contains an implementation of libmbedcrypto, including the PSA
Crypto API.
 2018-11-21 12:54:57 +00:00
Jaeden Amero
4cb814e3a7 cmake: Use finer grained include directory 
Using finer grained control over include directories will allow differnt
targets to use different include files. This will be useful when the
`crypto` subcomponent wants to use its own include files instead of or in
addition to the top level ones.
 2018-11-20 18:46:43 +00:00
Jaeden Amero
2d0e00fca8 all.sh: Cleanup CMakeFiles 
all.sh's cleanup function would not entirely remove CMakeFiles due to a
missing -o in its fine command. Add a -o after prune, so that the find for
CMakeFiles can succeed.
 2018-11-20 18:46:43 +00:00
Simon Butcher
556d7d9e3b
Merge pull request #532 from sbutcher-arm/version-2.14.0 
Bump Mbed TLS Version to 2.14.0
 2018-11-19 18:45:45 +00:00
Simon Butcher
c1b9892177 Update library version number to 2.14.0 2018-11-19 18:31:40 +00:00
Simon Butcher
b35e59d36d Refine the language in the ChangeLog 
Fix the language and descriptions in the ChangeLog following review of the
Release Notes for the next release.
 2018-11-19 15:49:26 +00:00
Simon Butcher
681edee803 Fix language and formatting in ChangeLog 
Changed the formatting and language in the ChangeLog to the house-style.
 2018-11-15 13:01:23 +00:00
Simon Butcher
06d80cf172 Fix merge of Changelog 128bit CTR_DRBG entry 
The entry describing support for 128-bit keys in CTR_DRBG was merged into the
wrong version.
 2018-11-12 14:30:19 +00:00
Simon Butcher
de13963d66 Merge remote-tracking branch 'restricted/pr/520' into development-restricted-proposed 2018-11-12 14:30:16 +00:00
Simon Butcher
cdd1a6c872 Merge remote-tracking branch 'restricted/pr/510' into development-restricted-proposed 2018-11-12 14:29:14 +00:00
Simon Butcher
2ab14bb2ca Clarified new platform errors in the ChangeLog 
Clarified new platform errors and error code deprecations in the ChangeLog.
 2018-11-09 20:09:33 +00:00