Commit graph

32 commits

Author SHA1 Message Date
Raef Coles
1fb2f32ef5
Check LMS offsets are sane at runtime
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:31 +01:00
Raef Coles
e34e3c0e59
Remove unneeded cast in LMS calloc
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:30 +01:00
Raef Coles
370cc43630
Make LMS public key export part of public key api
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:28 +01:00
Raef Coles
e89488debf
Fix bug in LMS public key loading
To avoid using the type before it is parsed from the signature

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:27 +01:00
Raef Coles
3f6cdd7aab
Fix LMS not checking RNG function return value
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:24 +01:00
Raef Coles
02cf8234b4
Fix ots sig length check in LMS validate function
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:22 +01:00
Raef Coles
f36874a535
Fix error type of lms_import_public_key
Was returning an incorrect error when bad public key sizes were input

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:21 +01:00
Raef Coles
dc8fb79e09
Simplify LMS private key generation error handling
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:20 +01:00
Raef Coles
be3bdd8240
Rename LMS and LMOTS init/free functions
To match convention

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:18 +01:00
Raef Coles
29117d2e4e
Update LMS PSA error conversion
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:17 +01:00
Raef Coles
be0c2f9183
Update LMS local variable allocation
To use a default failure value, and to avoid a call to
psa_hash_operation_init()

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:15 +01:00
Raef Coles
2ac352a322
Make LMS functions args const where required
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:14 +01:00
Raef Coles
5127e859d7
Update LMS and LMOTS dependency macros
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:11 +01:00
Raef Coles
0b7da1b787
Fix overflow in LMS context init
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:03 +01:00
Raef Coles
57d5328ad5
Remove MBEDTLS_LM(OT)S prefix from internal macros
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:29:00 +01:00
Raef Coles
ad05425ab7
Update naming of internal LMS functions
To comply with the mbedtls_ requirement

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:59 +01:00
Raef Coles
3982040232
Fix LMS zeroization using wrong sizeof type
Causing a buffer write out of bounds

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:55 +01:00
Raef Coles
98d6e22050
Remove doxygen markup from internal LMS functions
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:54 +01:00
Raef Coles
40f184c83e
Cast LMS allocation sizes to size_t
To prevent implict casting errors on 64-bit platforms

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:52 +01:00
Raef Coles
fa24f9d6ea
Minor fixes to LMS and LMOTS macros
Update some names, use the correct macro in certain places.

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:48 +01:00
Raef Coles
0a967ccf9a
Document LMS and LMOTS internal functions
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:47 +01:00
Raef Coles
e0a17610d1
Fix LMS/LMOTS if-statement style
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:41 +01:00
Raef Coles
9b88ee5d5d
Fix LMS and LMOTS coding style violations
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:40 +01:00
Raef Coles
366d67d9af
Shorted LMS and LMOTS line-lengths
To attempt to comply with the 80-char suggestion

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:38 +01:00
Raef Coles
e9479a0264
Update LMS API to support multiple parameter sets
Parameterise macros to allow variation of sizes

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:36 +01:00
Raef Coles
ab4f87413a
Add MBEDTLS_LMS_PRIVATE define
To enable private key operations

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:35 +01:00
Raef Coles
ebd35b5b80
Rename LMS internal tree-manipulation functions
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:31 +01:00
Raef Coles
f5632d3efc
Remove MBEDTLS_PRIVATE usage from LMS and LMOTS
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:27 +01:00
Raef Coles
01c71a17b3
Update LMS and LMOTS api
Fix function names and parameters. Move macros to be more private.
Update implementation.

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:25 +01:00
Raef Coles
c8f9604d7b
Use PSA hashing for LMS and LMOTS
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:23 +01:00
Raef Coles
7dce69a27a
Make LMOTS a private api
Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:22 +01:00
Raef Coles
8ff6df538c
Add LMS implementation
Also an LM-OTS implementation as one is required for LMS.

Signed-off-by: Raef Coles <raef.coles@arm.com>
2022-10-13 14:28:15 +01:00