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154bd95131
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2268 Commits

Author SHA1 Message Date
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
Gilles Peskine
65eb8588fe Expand the description of error codes 2018-09-05 12:41:52 +03:00
Gilles Peskine
f48af7fe76 psa_generate_key: specify what the extra parameters mean 2018-09-05 11:53:26 +03:00
Gilles Peskine
9e7dc717b0 New function: generate key/random 2018-09-05 11:53:26 +03:00
Gilles Peskine
6944f9a831 New functions: asymmetric encrypt/decrypt 2018-09-05 11:53:26 +03:00
Gilles Peskine
8484565f85 Minor errors in documentation around asymmetric signature 2018-09-05 11:53:26 +03:00
Gilles Peskine
a59262338a Rename PKCS1V15 to PKCS1V15_SIGN 
There's PKCS1V15_CRYPT as well (to be added soon).
 2018-09-05 11:53:26 +03:00
Gilles Peskine
058e0b9963 Avoid empty unions 
When no algorithms are present in a category (e.g. no AEAD algorithm),
the union in the corresponding operation structure was empty, which is
not valid C. Add a dummy field to avoid this.
 2018-09-05 11:53:26 +03:00
Gilles Peskine
9a1ba0dd3f Typo in the documentation of psa_get_key_information 2018-09-05 11:53:26 +03:00
Gilles Peskine
1906798d4c Fix some typos and copypasta 2018-09-05 11:53:25 +03:00
Gilles Peskine
ed522974bd Clarify how multipart operations get terminated 2018-09-05 11:53:25 +03:00
Gilles Peskine
971f7064e9 More precise reference for the RSA public key format 2018-09-05 11:53:25 +03:00
Gilles Peskine
7e19853722 More documentation 2018-09-05 11:53:25 +03:00
Gilles Peskine
d393e18f90 Add psa_set_key_lifetime 
It is likely that most implementations won't support this function.
But in case an implementation wants to provide it, standardize its
interface.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
e3f694f49a Remove non-standard hash algorithms 2018-09-05 11:53:25 +03:00
Gilles Peskine
06dc26350e Fix macro definitions for ECC keys 
Public keys and key pairs have different types.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
03182e99b6 Fix parameter name in PSA_BLOCK_CIPHER_BLOCK_SIZE 2018-09-05 11:53:25 +03:00
Gilles Peskine
f5b9fa13e0 Documentation clarifications 
Clarify or add the documentation of some functions and constants.

Add a note about what the __DOXYGEN_ONLY__ section is for.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
2905a7adcc Fix namespace violation 2018-09-05 11:53:25 +03:00
Gilles Peskine
609b6a5b67 Get the lifetime of a key slot 2018-09-05 11:53:25 +03:00
Gilles Peskine
7698bcf338 Basic interface for key policies 
Get/set the policy of a key slot.

Opaque structure for key policies and field access functions.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
92b3073e36 Minor documentation fixes 2018-09-05 11:53:25 +03:00
Gilles Peskine
3b555710e2 Prototypes for AEAD functions 
This is still tentative.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
428dc5aef1 Prototypes for symmetric cipher functions 2018-09-05 11:53:25 +03:00
Gilles Peskine
7e4acc5ef8 Document some MAC functions: psa_mac_start 
Adapt the documentation of hash functions.

State that the key object does not need to remain valid throughout the
operation.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
8c9def3e7f PSA: Implement MAC functions 
Implement psa_mac_start, psa_mac_update and psa_mac_final.

Implement HMAC anc CMAC.

Smoke tests.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
308b91d7db Wrote documentation for several functions, macros and types 
Document key import/export functions, hash functions, and asymmetric
sign/verify, as well as some related macros and types.

Nicer formatting for return values: use \retval.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
9ef733faa0 Implement hash functions 
New header file crypto_struct.h. The main file crypto.sh declares
structures which are implementation-defined. These structures must be
defined in crypto_struct.h, which is included at the end so that the
structures can use types defined in crypto.h.

Implement psa_hash_start, psa_hash_update and psa_hash_final. This
should work for all hash algorithms supported by Mbed TLS, but has
only been smoke-tested for SHA-256, and only in the nominal case.
 2018-09-05 11:53:25 +03:00
Gilles Peskine
a590529938 Greatly expanded mbedtls_to_psa_error 
It now covers most cryptography algorithm modules (missing: bignum,
DHM, everything ECC, HMAC_DRBG).
 2018-09-05 11:53:24 +03:00
Gilles Peskine
98f0a24255 Improve key type and algorithm encodings 
Refine the encoding of key types and algorithms so that ranges of bits
make more sense.

Define a few symmetric cipher algorithms.
 2018-09-05 11:53:24 +03:00
Gilles Peskine
0189e7512d PSA crypto: PSA_ASYMMETRIC_SIGN_OUTPUT_SIZE macro 
Test it for RSA.
 2018-09-05 11:53:24 +03:00
Gilles Peskine
20035e3579 PSA crypto: asymmetric signature (RSA PKCS#1v1.5 only) 
Define hash algorithms and RSA signature algorithms.

New function psa_asymmetric_sign.

Implement psa_asymmetric_sign for RSA PKCS#1 v1.5.
 2018-09-05 11:53:24 +03:00
Gilles Peskine
c66ea6a921 PSA key import: support RSA public keys 
Use different key types for private keys and public keys.
 2018-09-05 11:53:24 +03:00
Gilles Peskine
2f9c4dc5ad Add key management functions 
Define psa_key_type_t and a first stab at a few values.

New functions psa_import_key, psa_export_key, psa_destroy_key,
psa_get_key_information. Implement them for raw data and RSA.

Under the hood, create an in-memory, fixed-size keystore with room
for MBEDTLS_PSA_KEY_SLOT_COUNT - 1 keys.
 2018-09-05 11:53:24 +03:00
Gilles Peskine
1d26709dbd New function mbedtls_rsa_get_bitlen 
Add a new function mbedtls_rsa_get_bitlen which returns the RSA key
size, i.e. the bit size of the modulus. In the pk module, call
mbedtls_rsa_get_bitlen instead of mbedtls_rsa_get_len, which gave the
wrong result for key sizes that are not a multiple of 8.

This commit adds one non-regression test in the pk suite. More tests
are needed for RSA key sizes that are a multiple of 8.

This commit does not address RSA alternative implementations, which
only provide an interface that return the modulus size in bytes.
 2018-09-05 11:53:24 +03:00
Gilles Peskine
66920ceb19 Set the default configuration to PSA 
This will simplify development in the PSA branch.
 2018-09-05 11:49:51 +03:00
Gilles Peskine
62a7e7e65f Add a Doxygen-only section 
This is intended to document platform-specific definitions in PSA.
 2018-09-05 10:59:02 +03:00
Gilles Peskine
e59236fc17 Add PSA crypto module 
New module psa_crypto.c (MBEDTLS_PSA_CRYPTO_C):
Platform Security Architecture compatibility layer on top of
libmedcrypto.

Implement psa_crypto_init function which sets up a RNG.

Add a mbedtls_psa_crypto_free function which deinitializes the
library.

Define a first batch of error codes.
 2018-09-05 10:59:00 +03:00
Simon Butcher
4d075cd7d0 Update library version number to 2.13.0 2018-08-31 15:59:10 +01:00
Simon Butcher
552754a6ee Merge remote-tracking branch 'public/pr/1988' into development 2018-08-30 00:57:28 +01:00
Simon Butcher
68dbc94720 Merge remote-tracking branch 'public/pr/1951' into development 2018-08-30 00:56:56 +01:00
Simon Butcher
07de4c0035 Merge remote-tracking branch 'public/pr/1920' into development 2018-08-30 00:56:08 +01:00
Hanno Becker
97a1c134b2 Correct typo in documentation of MBEDTLS_SSL_DTLS_MAX_BUFFERING 2018-08-28 14:42:15 +01:00
Hanno Becker
eefe084f72 Style: Spell out PMTU in ssl.h 2018-08-28 10:29:17 +01:00
Hanno Becker
bc2498a9ff Style: Add numerous comments indicating condition guarded by #endif 2018-08-28 10:13:29 +01:00
Hanno Becker
280075104e DTLS Reordering: Improve doc of MBEDTLS_SSL_DTLS_MAX_BUFFERING 2018-08-28 09:46:44 +01:00
Hanno Becker
159a37f75d config.h: Don't use arithmetical exp for SSL_DTLS_MAX_BUFFERING 
The functions requires_config_value_at_least and requires_config_value_at_most
only work with numerical constants.
 2018-08-24 15:07:29 +01:00
Hanno Becker
0e96585bdd Merge branch 'datagram_packing' into message_reordering 2018-08-24 12:16:41 +01:00
Hanno Becker
eb57008d7d Fix typo in documentation of mbedtls_ssl_set_datagram_packing() 2018-08-24 11:28:35 +01:00