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Base the PSA implementation of TLS 1.2 PRF on the MAC API

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This means there is no longer a need to have an internal HMAC API, so
it is being removed in this commit as well.

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2021-04-29 19:32:25 +02:00
parent b27e3506fe
commit 22dea1d527
4 changed files with 81 additions and 166 deletions
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4
include/psa/crypto_struct.h
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@ -212,11 +212,13 @@ typedef struct psa_tls12_prf_key_derivation_s
psa_tls12_prf_key_derivation_state_t state;
uint8_t *secret;
size_t secret_length;
uint8_t *seed;
size_t seed_length;
uint8_t *label;
size_t label_length;
mbedtls_psa_hmac_operation_t hmac;
uint8_t Ai[PSA_HASH_MAX_SIZE];
/* `HMAC_hash( prk, A(i) + seed )` in the notation of RFC 5246, Sect. 5. */