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139 commits

Author SHA1 Message Date
Gilles Peskine c102e3ce4b psa_hmac_start: simplify key_length logic in hash-the-key case 2018-09-12 16:13:49 +03:00
Gilles Peskine e1bc6800cc psa_hmac_start: remove useless casts 2018-09-12 16:13:49 +03:00
Gilles Peskine 7e454bc19f Split out CMAC and HMAC code into auxiliary functions 
Split algorithm-specific code out of psa_mac_start. This makes the
function easier to read.

The behavior is mostly unchanged. In a few cases, errors before
setting a key trigger a context wipe where they didn't. This is a
marginal performance loss but only cases that are an error in caller
code.
 2018-09-12 16:13:49 +03:00
Gilles Peskine 99bc649760 Normalize whitespace to Mbed TLS standards 
Only whitespace changes in this commit.
 2018-09-12 16:13:49 +03:00
Gilles Peskine ef057ac8ed Remove dead code 
Remove an unused function and an unused variable. Now the code builds
with gcc -Wall -Wextra -Werror.
 2018-09-12 16:13:49 +03:00
Nir Sonnenschein 084832d65f replace get_block_size_from_hash_algorithm with PSA_HASH_BLOCK_SIZE macro 2018-09-12 16:13:49 +03:00
Nir Sonnenschein 35dfbf4601 change hmac context to use statically allocated memory 
1. removed dynamic allocation of stack context
2. moved ipad to stack
3. added defines for maximal sizes
 2018-09-12 16:13:49 +03:00
Nir Sonnenschein 0c9ec53a10 remove reliance on md_info context for hash information 
1. remove reliance on md_info context for hash information by decoding locally
2. remove block_size field in context as this is dynamically computed
 2018-09-12 16:13:49 +03:00
Nir Sonnenschein eeace0bf7f Code style fix : changed keylen to key_length 2018-09-12 16:13:49 +03:00
Nir Sonnenschein 7810be273a Code correction: remove unneeded sizeof 2018-09-12 16:13:49 +03:00
Nir Sonnenschein dcd636a73f Commit changes to hmac to not use MD abstraction 
this PR is part of efforts to use "lower level" mbedTLS APIs vs "higher level" abstract APIs.
 2018-09-12 16:13:49 +03:00
Gilles Peskine 8605428dcf Merge remote-tracking branch 'psa/pr/27' into feature-psa 2018-09-05 12:46:19 +03:00
Gilles Peskine c4def2f228 Add input length check in psa_asymmetric_decrypt 
Remove output size check which is not needed here and was copypasta.

Add non-regression tests.
 2018-09-05 12:44:18 +03:00
Gilles Peskine b75e4f1314 Remove ECC boilerplate in asymmetric encrypt/decrypt 
We don't have any encryption algorithm using ECC keys at the moment.
 2018-09-05 12:44:17 +03:00
Gilles Peskine beb4948d10 Add RSA PSS verification (untested) 2018-09-05 12:44:17 +03:00
Gilles Peskine 625b01c9c3 Add OAEP placeholders in asymmetric encrypt/decrypt 
Replace PSS placeholders by OAEP placeholders. PSS is a signature
algorithm, not an encryption algorithm.

Fix typo in PSA_ALG_IS_RSA_OAEP_MGF1.
 2018-09-05 12:44:17 +03:00
Gilles Peskine 8b18a4fef3 Rename verify_RSA_hash_input_and_get_md_type 
Give it a shorter name that's more in line with our naming conventions.
 2018-09-05 12:44:17 +03:00
Gilles Peskine 61b91d4476 Normalize whitespace to Mbed TLS standards 
Only whitespace changes in this commit.
 2018-09-05 12:44:17 +03:00
Nir Sonnenschein 1c2a7ea4e2 Allow psa_asymmetric_verify and psa_asymmetric_encrypt to use public key only. 2018-09-05 12:44:17 +03:00
Nir Sonnenschein d708260de4 add key policy enforcement implementation 
add checks that keys have been set for the correct usage for asymmetric
functions.
 2018-09-05 12:44:17 +03:00
Nir Sonnenschein ca466c89b0 Set output length to safe value 2018-09-05 12:44:17 +03:00
Nir Sonnenschein c460291714 Re-Add ECC verification code which was not properly merged in re-base. 2018-09-05 12:44:17 +03:00
Nir Sonnenschein 4db79eb36b Extract common code 
Make code easier to maintain.
 2018-09-05 12:44:17 +03:00
Nir Sonnenschein 717a040df5 Remove duplicate / unneeded code 
1. remove duplicate function introduced by re-base
2. remove unneeded code
 2018-09-05 12:44:17 +03:00
Gilles Peskine 5b051bc608 Remove trailing whitespace 
Only horizontal whitespace changes in this commit.
 2018-09-05 12:44:12 +03:00
Gilles Peskine 6afe789d4c Finish renaming around PSA_ALG_IS_RSA_PKCS1V15 
Now the code compiles. Some OAEP and PSS macros may still need to be fixed.
 2018-09-05 12:41:53 +03:00
Gilles Peskine d6125ca63b Merge remote-tracking branch 'psa/pr/24' into feature-psa 2018-09-05 12:41:53 +03:00
Nir Sonnenschein 4f594eca40 remove check for key pair (public key should be enough for verification) 2018-09-05 12:41:53 +03:00
Nir Sonnenschein 7f5a31915b code fixes for internal code review: 
1. change to correct error code
2. removed unneeded comment
 2018-09-05 12:41:53 +03:00
Nir Sonnenschein 39e59144f6 added support for PKCSv1.5 signature verification and encryption/decryption and very basic tests. 2018-09-05 12:41:53 +03:00
Gilles Peskine bb1072f642 Fix use of mbedtls_cipher_info_from_psa 
One branch added an extra argument, the other branch added a call of
this function. Pass the extra argument on the code from the other
branch.
 2018-09-05 12:41:52 +03:00
Gilles Peskine 84861a95ca Merge remote-tracking branch 'psa/psa-wrapper-apis-aead' into feature-psa 2018-09-05 12:41:52 +03:00
Gilles Peskine 154bd95131 psa_destroy_key: return SUCCESS on an empty slot 
Do wipe the slot even if it doesn't contain a key, to erase any metadata.
 2018-09-05 12:41:52 +03:00
Gilles Peskine 71bb7b77f0 Switch PSA_HASH_FINAL_SIZE to PSA_HASH_SIZE 
Make this macro work on derived algorithms as well (HMAC,
hash-and-sign, etc.).
 2018-09-05 12:41:52 +03:00
mohammad1603 fc614b1e0e fix parentheses 2018-09-05 12:41:52 +03:00
mohammad1603 e109f21638 remove unnecessary check for block size 2018-09-05 12:41:52 +03:00
mohammad1603 a1d9801683 add slot validation 2018-09-05 12:41:52 +03:00
mohammad1603 e3cb8a8d8b return PSA_ERROR_BUFFER_TOO_SMALL intead of PSA_ERROR_INVALID_ARGUMENT 2018-09-05 12:41:52 +03:00
mohammad1603 6b4d98cf78 remove trailing spaces 2018-09-05 12:41:52 +03:00
mohammad1603 5ed0621dd4 aligned with coding standards - line length 2018-09-05 12:41:52 +03:00
mohammad1603 f14394b25f add policy checks 2018-09-05 12:41:52 +03:00
mohammad1603 96910d807e fix block size depending on algorithm 2018-09-05 12:41:51 +03:00
mohammad1603 60a64d079a remove unnecessary argument to the psa_aead_unpadded_locate_tag function 2018-09-05 12:41:51 +03:00
mohammad1603 15223a8b89 write the tag directly on the ciphertext buffer. 2018-09-05 12:41:51 +03:00
mohammad1603 4fc744f8af change the check of block size for all supported algorithms 2018-09-05 12:41:51 +03:00
mohammad1603 0f21465175 use mbedtls_cipher_info_from_psa to get cipher ID 2018-09-05 12:41:51 +03:00
mohammad1603 f58aa6ade6 use memset instead of mbedtils_zeroize 2018-09-05 12:41:51 +03:00
mohammad1603 554faad260 return NOT_SUPPORTED instead of INVLID_ARGUMENT 2018-09-05 12:41:51 +03:00
mohammad1603 95893f834d remove usless cast 2018-09-05 12:41:51 +03:00
mohammad1603 f08a550e68 set output length to zero to cover output length in error case 2018-09-05 12:41:51 +03:00