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Author SHA1 Message Date
Gilles Peskine
211a436f2e Document that key agreement produces a maximum-capacity generator 2018-11-14 21:15:37 +01:00
Gilles Peskine
79dd6229e4 Clarify the format of the (EC)DH shared secret 2018-11-14 21:15:37 +01:00
Gilles Peskine
2607bca666 Give "DH" and "DHM" as alternative names 
Be consistent about calling it just "Diffie-Hellman", except once
where I state that "Diffie-Hellman-Merkle" is an alternative name.
 2018-11-14 21:15:37 +01:00
Gilles Peskine
1d7c082124 Fix a memory leak in a test 2018-11-14 21:15:37 +01:00
Gilles Peskine
b7ecdf0509 Implement ECDH 2018-11-14 21:15:37 +01:00
Gilles Peskine
5968559a9c Key agreement test functions 2018-11-14 21:15:37 +01:00
Gilles Peskine
01d718cee8 New API function: psa_key_agreement 
Set up a generator from a key agreement.
 2018-11-14 21:15:37 +01:00
Gilles Peskine
8feb3a886d Support key derivation with non-predefined capacity 
psa_key_derivation requires the caller to specify a maximum capacity.
This commit adds a special value that indicates that the maximum
capacity should be the maximum supported by the algorithm. This is
currently meant only for selection algorithms used on the shared
secret produced by a key agreement.
 2018-11-14 21:15:37 +01:00
Gilles Peskine
751d965dfc Implement PSA_ALG_SELECT_RAW 2018-11-14 21:15:37 +01:00
Gilles Peskine
cce18aec4c Split off psa_key_derivation_internal 
Refactor psa_key_derivation to prepare for key agreement algorithms
which need to plug into key derivation after argument validation.
 2018-11-14 21:15:37 +01:00
Gilles Peskine
93098fd996 Key agreement: macros for finite-field Diffie-Hellman, ECDH 
Declare macros to represent key agreement algorithms.
 2018-11-14 21:15:37 +01:00
Gilles Peskine
e8f0e3dc3c New algorithm category: key selection 
A key selection algorithm is similar to a key derivation algorithm in
that it takes a secret input and produces a secret output stream.
However, unlike key derivation algorithms, there is no expectation
that the input cannot be reconstructed from the output. Key selection
algorithms are exclusively meant to be used on the output of a key
agreement algorithm to select chunks of the shared secret.
 2018-11-14 21:15:37 +01:00
Gilles Peskine
92587dbf2b Write missing bit of the documentation of psa_key_derivation 2018-11-14 21:15:37 +01:00
Jaeden Amero
c11be0943e
Merge pull request #196 from ARMmbed/psa-remove-rsa_get_bitlen-2 
remove mbedtls_rsa_get_bitlen
 2018-11-13 17:55:14 +00:00
Gilles Peskine
e19b7d54d0 Revert "New function mbedtls_rsa_get_bitlen" 
This reverts commit 1d26709dbd.
 2018-11-12 19:14:34 +01:00
Gilles Peskine
64a43ce48e Revert "fixup! New function mbedtls_rsa_get_bitlen" 
This reverts commit c939f6fcba.
 2018-11-12 19:14:34 +01:00
Gilles Peskine
86a440b638 Reject non-byte-aligned RSA keys 
On key import and key generation, for RSA, reject key sizes that are
not a multiple of 8. Such keys are not well-supported in Mbed TLS and
are hardly ever used in practice.

The previous commit removed support for non-byte-aligned keys at the
PSA level. This commit actively rejects such keys and adds
corresponding tests (test keys generated with "openssl genrsa").
 2018-11-12 19:14:18 +01:00
Gilles Peskine
aac64a2839 Remove support for non-byte-aligned RSA keys 
Remove the need for an extra function mbedtls_rsa_get_bitlen. Use
mbedtls_rsa_get_len, which is only correct for keys whose size is a
multiple of 8. Key sizes that aren't a multiple of 8 are extremely
rarely used, so in practice this is not a problematic limitation.
 2018-11-12 18:37:42 +01:00
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
Simon Butcher
e51d4b336b Merge remote-tracking branch 'public/pr/2054' into development-proposed 2018-11-09 19:57:53 +00:00
Ron Eldor
6aa9fb4916 Add ChangeLog entry 
Add the ChangeLog entry describing the change.
 2018-11-09 15:01:09 +00:00
Ron Eldor
9924bdc792 Deprecate hardware acceleration errors 
Deprecate the module-specific XXX_HW_ACCEL_FAILED and
XXX_FEATURE_UNAVAILABLE errors, as alternative implementations should now
return `MBEDTLS_ERR_PLATFORM_HW_FAILED` and
`MBEDTLS_ERR_PLATFORM_FEATURE_UNSUPPORTED`.
 2018-11-09 15:01:07 +00:00
Ron Eldor
bcca58c6cd Add common feature unavailable error 
Add a common error for the feature unavailable, in the
platform module.
 2018-11-09 13:57:37 +00:00
Gilles Peskine
9eaab02607
Merge pull request #193 from ARMmbed/dev/Patater/fix-snprintf-truncation 
psa: test: Fix truncation of message by snprintf
 2018-11-08 18:56:58 +01:00
Jaeden Amero
594a330eb7 psa: test: Fix truncation of message by snprintf 
We had only allocated 40 bytes for printing into, but we wanted to print 46
bytes. Update the buffer to be 47 bytes, which is large enough to hold what
we want to print plus a terminating null byte.
 2018-11-08 17:32:45 +00:00
Jaeden Amero
db2717b091
Merge pull request #192 from ARMmbed/psa-fix-curves-20181108 
Fix curves.pl
 2018-11-08 10:06:55 +00:00
Gilles Peskine
728944718a Fix a test case with incorrect dependency 
Simplify the test case "PSA export a slot after a failed import of an
EC keypair": use an invalid private value for the specified curve. Now
the dependencies match the test data, so this fixes curves.pl.
 2018-11-08 10:00:08 +01:00
Jaeden Amero
30b90cb406
Merge pull request #175 from ARMmbed/coverage_tests 
add tests that increase key slot management code coverage slightly
 2018-11-07 16:59:17 +00:00
Moran Peker
ce50007f90 Add tests of using cipher in bad state cases 
- cipher setup after import key failure.
- cipher setup after set key policy but no key material
creation.
 2018-11-07 16:20:07 +02:00
Moran Peker
3455009116 Add tests that check export failures after illegal behavior 
- export a key after import key failure.
- export a key after the key was destroyed.
- export a key after set key policy but no key material
creation.
 2018-11-07 16:19:34 +02:00
Moran Peker
28a38e6e38 Add tests that checks key management corner cases 
- import a key into a non empty key slot.
- export a key from invalid slot number.
 2018-11-07 16:18:24 +02:00
Simon Butcher
d83448b736 Merge remote-tracking branch 'public/pr/2052' into development-restricted-proposed 2018-11-07 12:59:14 +00:00
Simon Butcher
53b45ec881 Merge remote-tracking branch 'public/pr/2079' into development-restricted-proposed 2018-11-07 12:58:44 +00:00
Simon Butcher
bbc31b4827 Merge remote-tracking branch 'public/pr/2085' into development-restricted-proposed 2018-11-07 12:57:38 +00:00
Simon Butcher
93a9b497e0 Merge remote-tracking branch 'public/pr/2077' into development-restricted-proposed 2018-11-07 12:57:24 +00:00
Simon Butcher
361ce6c302 Merge remote-tracking branch 'public/pr/2127' into development-restricted-proposed 2018-11-07 12:57:01 +00:00
Simon Butcher
c81813153c Merge remote-tracking branch 'public/pr/2140' into development-restricted-proposed 2018-11-07 12:56:05 +00:00
Simon Butcher
241823aab8 Merge remote-tracking branch 'public/pr/1641' into development-restricted-proposed 2018-11-07 12:55:47 +00:00
Simon Butcher
42ab4ae033 Merge remote-tracking branch 'public/pr/2167' into development-restricted-proposed 2018-11-07 12:54:45 +00:00
Simon Butcher
51b6abbbf2 Merge remote-tracking branch 'public/pr/2165' into development-proposed 2018-11-06 22:55:14 +00:00
Hanno Becker
f143a78011 Adapt ChangeLog 2018-11-06 17:59:28 +00:00
Jaeden Amero
0d1caacf55
Merge pull request #189 from ARMmbed/psa-fix-asymmetric_apis_coverage-test_data 
Fix test data in an old format
 2018-11-06 16:07:51 +00:00
Gilles Peskine
8739da830e Fix test data in an old format 
Update some test data from the asymmetric_apis_coverage branch that
wasn't updated to the new format from the
psa-asymmetric-format-raw_private_key branch.
 2018-11-06 15:15:05 +01:00
Jaeden Amero
c0a0855793
Merge pull request #171 from ARMmbed/asymmetric_apis_coverage 
Increase asymmetric APIs coverage
 2018-11-06 13:00:35 +00:00
Mohammad AboMokh
2d65cf0b16 Fix sign test dependencies and used algorithm 2018-11-06 11:56:45 +02:00
Jaeden Amero
fe9f771e88
Merge pull request #170 from ARMmbed/increase_psa_key_derivation_code_coverage 
add tests that increase key derivation code coverage slightly
 2018-11-06 09:17:19 +00:00
Jaeden Amero
40f1cb104f
Merge pull request #182 from ARMmbed/psa-asymmetric-format-raw_private_key 
Asymmetric import/export format: raw private EC keys
 2018-11-06 09:02:25 +00:00