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Algorithm encoding: move two bits from derivation to agreement

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This gives a little more room to encode key agreement algorithms,
while keeping enough space for key derivation algorithms.

This doesn't affect any of the already-defined algorithms.
This commit is contained in:
Gilles Peskine 2019-04-12 00:11:21 +02:00
parent f8a9d942a5
commit a52460c3ed
1 changed files with 2 additions and 2 deletions
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4
include/psa/crypto_values.h
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@ -1282,8 +1282,8 @@
#define PSA_ALG_TLS12_PSK_TO_MS_GET_HASH(hkdf_alg) \
(PSA_ALG_CATEGORY_HASH | ((hkdf_alg) & PSA_ALG_HASH_MASK))
#define PSA_ALG_KEY_DERIVATION_MASK ((psa_algorithm_t)0x080fffff)
#define PSA_ALG_KEY_AGREEMENT_MASK ((psa_algorithm_t)0x10f00000)
#define PSA_ALG_KEY_DERIVATION_MASK ((psa_algorithm_t)0x0803ffff)
#define PSA_ALG_KEY_AGREEMENT_MASK ((psa_algorithm_t)0x10fc0000)
/** Macro to build a combined algorithm that chains a key agreement with
* a key derivation.