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Document the input size restriction for EC J-PAKE to PMS

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Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Andrzej Kurek 2022-09-14 08:44:34 -04:00
parent d8705bc7b7
commit 18f8e8d62c
1 changed files with 2 additions and 1 deletions
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3
include/psa/crypto_values.h
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@ -2023,7 +2023,8 @@
/* Macro to build a KDF that takes the shared secret K (an EC point in case
* of EC J-PAKE) and calculates SHA256(K.X) that the rest of TLS 1.2 will
* use to derive the session secret. Uses PSA_ALG_SHA_256.
* use to derive the session secret. Uses PSA_ALG_SHA_256. Only P-256 is
* supported, so the input has to be exactly 65 bytes.
*/
#define PSA_ALG_TLS12_ECJPAKE_TO_PMS ((psa_algorithm_t)0x08000600)
#define PSA_ALG_IS_TLS12_ECJPAKE_TO_PMS(alg) \