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Convert derive_key_export to the new KDF API

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This commit is contained in:
Janos Follath 2019-07-03 14:17:09 +01:00
parent 8d98a1e626
commit 42fd888ab0
2 changed files with 17 additions and 15 deletions
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8
tests/suites/test_suite_psa_crypto.data
View file

@ -2055,12 +2055,12 @@ PSA key derivation: TLS 1.2 PRF SHA-256, exercise HKDF-SHA-256
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key_exercise:PSA_ALG_TLS12_PRF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_DERIVE:400:PSA_KEY_USAGE_DERIVE:PSA_ALG_HKDF(PSA_ALG_SHA_256)
PSA key derivation: HKDF SHA-256, derive key, 16+32
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
PSA key derivation: HKDF SHA-256, derive key export, 16+32
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key_export:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":16:32
PSA key derivation: HKDF SHA-256, derive key, 1+41
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
PSA key derivation: HKDF SHA-256, derive key export, 1+41
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C:!PSA_PRE_1_0_KEY_DERIVATION
derive_key_export:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":1:41
PSA key agreement setup: ECDH + HKDF-SHA-256: good

24
tests/suites/test_suite_psa_crypto.function
View file

@ -4480,11 +4480,11 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE depends_on:PSA_PRE_1_0_KEY_DERIVATION */
/* BEGIN_CASE */
void derive_key_export( int alg_arg,
data_t *key_data,
data_t *salt,
data_t *label,
data_t *input1,
data_t *input2,
int bytes1_arg,
int bytes2_arg )
{
@ -4512,20 +4512,22 @@ void derive_key_export( int alg_arg,
&base_handle ) );
/* Derive some material and output it. */
PSA_ASSERT( psa_key_derivation( &operation, base_handle, alg,
salt->x, salt->len,
label->x, label->len,
capacity ) );
if( !setup_key_derivation_wrap( &operation, base_handle, alg,
input1->x, input1->len,
input2->x, input2->len, capacity ) )
goto exit;
PSA_ASSERT( psa_key_derivation_output_bytes( &operation,
output_buffer,
capacity ) );
PSA_ASSERT( psa_key_derivation_abort( &operation ) );
/* Derive the same output again, but this time store it in key objects. */
PSA_ASSERT( psa_key_derivation( &operation, base_handle, alg,
salt->x, salt->len,
label->x, label->len,
capacity ) );
if( !setup_key_derivation_wrap( &operation, base_handle, alg,
input1->x, input1->len,
input2->x, input2->len, capacity ) )
goto exit;
psa_set_key_usage_flags( &derived_attributes, PSA_KEY_USAGE_EXPORT );
psa_set_key_algorithm( &derived_attributes, 0 );
psa_set_key_type( &derived_attributes, PSA_KEY_TYPE_RAW_DATA );