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Author SHA1 Message Date
Hanno Becker
02f20216bd Merge branch 'psa_cipher_integration_CRYPTO' into feature-psa-tls-integration-proposed 2018-11-23 15:59:26 +00:00
Hanno Becker
6b01a9fa7c Merge branch 'psa_cipher_CRYPTO' into feature-psa-tls-integration-proposed 2018-11-23 15:53:27 +00:00
Hanno Becker
e322d3edd5 Merge branch 'opaque_psk_implementation_CRYPTO' into feature-psa-tls-integration-proposed 2018-11-23 15:53:24 +00:00
Hanno Becker
a96cc8a9fd Merge branch 'iotssl-2596-opaque-csr-creation_CRYPTO' into feature-psa-tls-integration-proposed 2018-11-23 15:47:22 +00:00
Hanno Becker
826987f26c Merge branch 'iotssl-2574-pk-opaque-tls_CRYPTO' into feature-psa-tls-integration-proposed 2018-11-23 15:47:21 +00:00
Hanno Becker
7fde035ddc Merge branch 'iotssl-2580-pk-opaque-psa_CRYPTO' into feature-psa-tls-integration-proposed 2018-11-23 15:47:20 +00:00
Jaeden Amero
dc5f950e25
Merge pull request #223 from ARMmbed/dev/Patater/fix-unused-mac_setup 
psa: Unused key_bits is OK
 2018-11-23 15:35:43 +00:00
Jaeden Amero
82df32e3fd psa: Unused key_bits is OK 
When MD or CMAC are disabled, let the compiler know that it is OK that
`key_bits` is set but not used by casting `key_bits` to `(void)`.
 2018-11-23 15:20:56 +00:00
Jaeden Amero
80a23a5bc4 check-files: Don't check same-named files 
The check-files script contains the strings "TODO" and "todo" in order to
search for files that contain TODO items. So, any check-files script would
need to be excluded from the list of files that gets checked for "TODO".
Normally, the script excludes itself from checks, but with the addition of
the crypto submodule, there is another copy of the script present from the
project root. We must avoid checking check-files scripts for TODO items.
This also helps if you run check-files from another working tree in your
working tree.
 2018-11-23 13:14:38 +00:00
Jaeden Amero
565e0bf49d
Merge pull request #212 from ARMmbed/psa-integration-utilities_CRYPTO 
Mbed TLS integration: Shared code between module-specific integration work
 2018-11-23 09:00:22 +00:00
Andrzej Kurek
266d907c87 pk_wrap.c: fix length mismatch check placement 2018-11-22 13:37:14 -05:00
Andrzej Kurek
96cc1b3def pk_wrap.c: tidy up signature extraction 
Add a sanity check for signature length, remove superfluous bounds check.
 2018-11-22 13:37:14 -05:00
Andrzej Kurek
e30ad542a1 Cosmetic changes 
Move memset to a more relevant spot, fix one whitespace error
 2018-11-22 13:37:14 -05:00
Andrzej Kurek
73bf6b9e00 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 13:37:14 -05:00
Andrzej Kurek
688ea8d10d 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 13:37:14 -05:00
Andrzej Kurek
3016de3eeb 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 13:37:14 -05:00
Manuel Pégourié-Gonnard
7b7808cc76 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 13:37:14 -05:00
Andrzej Kurek
45fc464156 pk_wrap: improve error codes returned from ecdsa_verify_wrap 
Use the shared PSA utilities to translate errors.
 2018-11-22 13:37:14 -05:00
Andrzej Kurek
ca6330992e 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 13:37:14 -05:00
Andrzej Kurek
510ee70501 pk_wrap: test if a valid md_alg is passed to ecdsa_verify_wrap 
Adjust tests to pass a valid algorithm
 2018-11-22 13:37:14 -05:00
Andrzej Kurek
2f69b1a059 pk_wrap: destroy key slot on errors with policy or key importing 2018-11-22 13:37:14 -05:00
Andrzej Kurek
c097b0fded pk_wrap: add a check for equal signature parts 2018-11-22 13:37:14 -05:00
Andrzej Kurek
f8c94a811a pk_wrap: check if curve conversion is successful 2018-11-22 13:37:14 -05:00
Andrzej Kurek
6d49ae9223 pk_wrap: nullify the signature pointer on error in extract_ecdsa_sig 
Fix a double free error in ecdsa_verify_wrap
 2018-11-22 13:37:14 -05:00
Andrzej Kurek
1e3b6865d7 pk_wrap: cosmetic changes 
Adjust whitespaces and variable names
 2018-11-22 13:37:14 -05:00
Andrzej Kurek
39d1f4b29f 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 13:37:14 -05:00
Andrzej Kurek
60ea0fc185 Remove trailing whitespace 2018-11-22 13:02:29 -05:00
Andrzej Kurek
593fccdf97 x509: remove unnecessary calls to psa_hash_abort 
According to the documentation, it does not need to be called after a failed
psa_hash call.
 2018-11-22 12:53:32 -05:00
Andrzej Kurek
78276b1c73 x509: use the PSA API to perform hashing operations 
So far limited only to certificate verification withour CRL and CSR generation.
 2018-11-22 12:53:32 -05:00
Andrzej Kurek
3bd69dda1a pkwrite: add an explicit cast to size_t 2018-11-22 12:43:53 -05:00
Andrzej Kurek
d6d07909f2 Remove trailing whitespace 2018-11-22 12:43:53 -05:00
Andrzej Kurek
16d6000577 pkwrite: add a safety check before calculating the buffer size 2018-11-22 12:43:53 -05:00
Andrzej Kurek
2f31122585 Cosmetic changes 
Adjust whitespaces, reduce test dependencies and reduce buffer size passed by 1.
 2018-11-22 12:43:53 -05:00
Andrzej Kurek
c3de438b8e Add CSR write testing using opaque keys 
Parse and verify CSR programatically instead of using predetermined data,
to not tamper with randomness in tests.
 2018-11-22 12:43:53 -05:00
Andrzej Kurek
6f249de706 pkwrite: add opaque key handling for public key exporting 
Return early from mbedtls_pk_write_pubkey_der - public opaque key
exporting is expected to contain all of the needed data, therefore it shouldn't
be written again.
 2018-11-22 12:43:53 -05:00
Gilles Peskine
30b4641011
Merge pull request #219 from ARMmbed/enable_entropy_injection 
always compile mbedtls_psa_inject_entropy (#219)
 2018-11-22 17:50:54 +01:00
Netanel Gonen
596e65e1a5 Fix indentation 2018-11-22 18:41:43 +02:00
Manuel Pégourié-Gonnard
f83d31260d Implement key_opaque option to ssl_client2 2018-11-22 16:41:07 +00:00
Manuel Pégourié-Gonnard
ca906fb8b9 Add option key_opaque to ssl_client2 (skeleton) 
This is just the plumbing for the option itself, implementation of the option
will be the next commit.
 2018-11-22 16:41:07 +00:00
Manuel Pégourié-Gonnard
e31411a814 Fix test that wasn't actually effective 
psa_destroy_key() returns success even if the slot is empty.
 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
72d94be0de Improve description of a test 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
2614562212 Add test utility function: wrap_as_opaque() 
The new function is not tested here, but will be in a subsequent PR.
 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
29a1325b0d Guard against PSA generating invalid signature 
The goal is not to double-check everything PSA does, but to ensure that it
anything goes wrong, we fail cleanly rather than by overwriting a buffer.
 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
f4427678ae Use shared function for error translation 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
1e48ebd306 Fix a compliance issue in signature encoding 
The issue is not present in the normal path because asn1write_mpi() does it
automatically, but we're not using that here...
 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
615530728f Improve documentation of an internal function 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
f127e6080e Get rid of large stack buffers in PSA sign wrapper 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
fe8607350c Add new macro to detemine ECDSA signature length 
Revived from a previous PR by Gilles, see:
https://github.com/ARMmbed/mbedtls/pull/1293/files#diff-568ef321d275f2035b8b26a70ee9af0bR71

This will be useful in eliminating temporary stack buffers for transcoding the
signature: in order to do that in place we need to be able to make assumptions
about the size of the output buffer, which this macro will provide. (See next
commit.)
 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
35a7ff9366 Improve documentation of mbedtls_pk_setup_opaque() 2018-11-22 16:39:39 +00:00
Manuel Pégourié-Gonnard
276cb64e6c Align names to use "opaque" only everywhere 
It's better for names in the API to describe the "what" (opaque keys) rather
than the "how" (using PSA), at least since we don't intend to have multiple
function doing the same "what" in different ways in the foreseeable future.
 2018-11-22 16:39:39 +00:00