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709 Commits

Author SHA1 Message Date
Gilles Peskine
e5044a0eb2 Add a generic section about key management 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:19 +01:00
Gilles Peskine
32dfaf485c More information about output buffer sizes 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:19 +01:00
Gilles Peskine
76bc64e101 Diffie-Hellman: several clarifications and corrections 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:19 +01:00
Gilles Peskine
d921391bf4 Note a few things about PAKE (thanks Manuel) 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:19 +01:00
Gilles Peskine
5eeca33749 Use "workflow" rather than "flow" for clarity 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:19 +01:00
Gilles Peskine
06002c5624 typos and minor clarifications 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:19 +01:00
Gilles Peskine
2fffc45feb fixup! Correct function names prefixes where they diverge from module names 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-12-04 23:17:16 +01:00
Gilles Peskine
1097d4e731 Minor clarification 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 21:18:10 +01:00
Gilles Peskine
c3fd0958ce typo 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 21:18:04 +01:00
Gilles Peskine
02112cc9a1 Update PBKDF2 availability for 3.5 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 21:17:55 +01:00
Gilles Peskine
3ea22dcb51 Correct function names prefixes where they diverge from module names 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 21:07:24 +01:00
Gilles Peskine
dbcfc7dd95 Be more informative about "No change" 
Distinguish between interfaces that won't change in 4.0, and interfaces that
have no PSA equivalent but are likely to change in 4.0.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 21:04:06 +01:00
Gilles Peskine
d79854b3f7 That's not what mbedtls_ecdh_get_params does 
Keep the discussion of how to retrieve information about a key exchange.
This doesn't seem to have equivalent legacy ECDH APIs.

Add a todo item for mbedtls_ecdh_get_params(). At this point I don't know
where it fits.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 14:01:59 +01:00
Gilles Peskine
f7746bdd79 Correct lists of sign/verify functions 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 14:01:44 +01:00
Gilles Peskine
951cf39b3f Corrections and clarifications around asymmetric key formats 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 14:01:20 +01:00
Gilles Peskine
4d234f1ede Editorial corrections 
Fix typos, copypasta, and other minor clarifications.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 13:59:49 +01:00
Gilles Peskine
396a2a3dcb Explain interruptible operations 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-30 11:02:06 +01:00
Gilles Peskine
d96aa1b5cd Say who to contact 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-29 21:13:02 +01:00
Gilles Peskine
dfe6707fc7 Fix typos and make minor style improvements 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-29 21:12:39 +01:00
Gilles Peskine
d372da6201 Expand on the removal of RNG boilerplate 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-28 18:03:53 +01:00
Gilles Peskine
601d3a0bd7 Add links to newly added functions 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-28 18:03:16 +01:00
Gilles Peskine
5403cb340a typos 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-28 18:03:03 +01:00
Gilles Peskine
677285a299 Clarify "functions that facilitate the transition" 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-11-28 16:45:50 +01:00
Gilles Peskine
909cf5a3ec Show how to extract curve information from an ecp_keypair 
It's not pretty.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-20 23:38:39 +02:00
Gilles Peskine
603f0fca6e The ECP curve name is the one from TLS, not one we made up 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-20 23:38:21 +02:00
Gilles Peskine
379ff8754d Cover ecp.h 
Also correct some statements about rsa/ecp/pk check functions.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-15 21:15:21 +02:00
Gilles Peskine
f75e65d90b Rename PSA_WANT_KEY_TYPE_xxx_KEY_PAIR_USE to ..._BASIC 
per https://github.com/Mbed-TLS/mbedtls/issues/7439#issuecomment-1592673401
and https://github.com/Mbed-TLS/mbedtls/pull/7774#discussion_r1230658660

State that EXPORT implies BASIC.

Also fix missing `WANT_` parts.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-15 18:39:14 +02:00
Gilles Peskine
5bd4f17e4e Cover ECDH and DHM 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-15 18:33:30 +02:00
Gilles Peskine
b33d0ac532 Mention self-tests 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-15 18:33:15 +02:00
Gilles Peskine
c7b53f3ab7 Mention mbedtls_psa_get_random 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-13 21:31:53 +02:00
Gilles Peskine
5ad8ca2a5f Legacy-to-PSA transition guide 
Covers most modules, but missing most of ecp, ecdh and dhm.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-13 19:52:31 +02:00
Gilles Peskine
265ce7c1da
Merge pull request #5451 from gilles-peskine-arm/psa-driver-kdf-spec 
PSA drivers: specification for key derivation
 2023-06-06 11:37:28 +02:00
Gilles Peskine
f4ba0013e2 Clarify when key derivation entry points are mandatory/permitted 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-05 14:24:14 +02:00
Gilles Peskine
8dd1e623e1 Copyediting 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-05 14:14:41 +02:00
Gilles Peskine
7df8ba6a10 Rework the description of key derivation output/verify key 
Some of the fallback mechanisms between the entry points were not described
corrrectly.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-02 18:16:02 +02:00
Gilles Peskine
dcaf104eef Note that we may want to rename derive_key 
... if we think of a better name

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-02 18:02:41 +02:00
Gilles Peskine
f96a18edc7 Probably resolve concern about the input size for derive_key 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-02 18:02:15 +02:00
Gilles Peskine
1414bc34b9 Minor copyediting 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-06-02 17:54:32 +02:00
Gilles Peskine
24f52296f1 Key agreement needs an attribute structure for our key 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:44:04 +02:00
Gilles Peskine
e52bff994c Note possible issue with derive_key: who should choose the input length? 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:43:29 +02:00
Gilles Peskine
b319ed69c4 State explicitly that cooked key derivation uses the export format 
This is the case for all key creation in a secure element, but state it
explicitly where relevant.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:42:45 +02:00
Gilles Peskine
f787879a14 Clarify sequencing of long inputs 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:42:29 +02:00
Gilles Peskine
d2fe1d5498 Rationale on key derivation inputs and buffer ownership 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:42:17 +02:00
Gilles Peskine
4e94fead86 Key derivation dispatch doesn't depend on the key type 
At least for all currently specified algorithms.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:40:56 +02:00
Gilles Peskine
66b96e2d87 Copyediting 
Fix some typos and copypasta. Some very minor wording improvements.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-31 00:40:27 +02:00
Gilles Peskine
63df4ec3ca
Merge pull request #7589 from daverodgman/pr4990 
Replace references to Mbed Crypto (rebase)
 2023-05-16 19:14:51 +02:00
Gilles Peskine
7e37aa85a2
Merge pull request #5904 from gilles-peskine-arm/psa-doc-implementing-new-mechanism 
Check list for implementing a new mechanism in PSA crypto
 2023-05-16 14:04:15 +02:00
Gilles Peskine
de4cbc54d3 Fix copypasta 
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
 2023-05-16 12:04:57 +02:00
Fredrik Hesse
95bd5a5004 Minor adjustments after review. 
Signed-off-by: Fredrik Hesse <fredrik@hesse.se>
 2023-05-12 15:01:59 +01:00
Fredrik Hesse
0ec8a90d48 Replace references to Mbed Crypto with Mbed TLS through-out documentation and comments. 
Signed-off-by: Fredrik Hesse <fredrik@hesse.se>
 2023-05-12 15:00:45 +01:00