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Add psa_tls12_prf_set_other_key() function to store other secret input

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Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemek Stekiel 2022-04-07 13:42:59 +02:00
parent c4b814a9c2
commit 23650286ac
1 changed files with 24 additions and 0 deletions
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24
library/psa_crypto.c
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@ -5219,6 +5219,28 @@ static psa_status_t psa_tls12_prf_set_key( psa_tls12_prf_key_derivation_t *prf,
return( PSA_SUCCESS );
}
static psa_status_t psa_tls12_prf_set_other_key( psa_tls12_prf_key_derivation_t *prf,
const uint8_t *data,
size_t data_length )
{
if( prf->state != PSA_TLS12_PRF_STATE_SEED_SET )
return( PSA_ERROR_BAD_STATE );
if( data_length != 0 )
{
prf->other_secret = mbedtls_calloc( 1, data_length );
if( prf->other_secret == NULL )
return( PSA_ERROR_INSUFFICIENT_MEMORY );
memcpy( prf->other_secret, data, data_length );
prf->other_secret_length = data_length;
}
prf->state = PSA_TLS12_PRF_STATE_OTHER_KEY_SET;
return( PSA_SUCCESS );
}
static psa_status_t psa_tls12_prf_set_label( psa_tls12_prf_key_derivation_t *prf,
const uint8_t *data,
size_t data_length )
@ -5252,6 +5274,8 @@ static psa_status_t psa_tls12_prf_input( psa_tls12_prf_key_derivation_t *prf,
return( psa_tls12_prf_set_seed( prf, data, data_length ) );
case PSA_KEY_DERIVATION_INPUT_SECRET:
return( psa_tls12_prf_set_key( prf, data, data_length ) );
case PSA_KEY_DERIVATION_INPUT_OTHER_SECRET:
return( psa_tls12_prf_set_other_key( prf, data, data_length ) );
case PSA_KEY_DERIVATION_INPUT_LABEL:
return( psa_tls12_prf_set_label( prf, data, data_length ) );
default: