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Create auxiliary function for repeated code

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2024-02-01 20:46:19 +01:00
parent 19411635a5
commit 7e353ba37a
1 changed files with 28 additions and 40 deletions
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68
tests/suites/test_suite_pk.function
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@ -135,6 +135,32 @@ static int pk_genkey(mbedtls_pk_context *pk, int curve_or_keybits)
return -1; return -1;
} }
#if defined(MBEDTLS_PSA_CRYPTO_C)
static psa_key_usage_t pk_get_psa_attributes_implied_usage(
psa_key_usage_t expected_usage)
{
/* Usage implied universally */
if (expected_usage & PSA_KEY_USAGE_SIGN_HASH) {
expected_usage |= PSA_KEY_USAGE_SIGN_MESSAGE;
}
if (expected_usage & PSA_KEY_USAGE_VERIFY_HASH) {
expected_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
}
/* Usage implied by mbedtls_pk_get_psa_attributes() */
if (expected_usage & PSA_KEY_USAGE_SIGN_HASH) {
expected_usage |= PSA_KEY_USAGE_VERIFY_HASH;
}
if (expected_usage & PSA_KEY_USAGE_SIGN_MESSAGE) {
expected_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
}
if (expected_usage & PSA_KEY_USAGE_DECRYPT) {
expected_usage |= PSA_KEY_USAGE_ENCRYPT;
}
expected_usage |= PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_COPY;
return expected_usage;
}
#endif /* MBEDTLS_PSA_CRYPTO_C */
#if defined(MBEDTLS_RSA_C) #if defined(MBEDTLS_RSA_C)
int mbedtls_rsa_decrypt_func(void *ctx, size_t *olen, int mbedtls_rsa_decrypt_func(void *ctx, size_t *olen,
const unsigned char *input, unsigned char *output, const unsigned char *input, unsigned char *output,
@ -1724,26 +1750,7 @@ void pk_get_psa_attributes(int pk_type, int from_pair,
psa_set_key_id(&attributes, key_id); psa_set_key_id(&attributes, key_id);
psa_set_key_lifetime(&attributes, lifetime); psa_set_key_lifetime(&attributes, lifetime);
psa_set_key_enrollment_algorithm(&attributes, 42); psa_set_key_enrollment_algorithm(&attributes, 42);
psa_key_usage_t expected_usage = pk_get_psa_attributes_implied_usage(usage);
psa_key_usage_t expected_usage = usage;
/* Usage implied universally */
if (expected_usage & PSA_KEY_USAGE_SIGN_HASH) {
expected_usage |= PSA_KEY_USAGE_SIGN_MESSAGE;
}
if (expected_usage & PSA_KEY_USAGE_VERIFY_HASH) {
expected_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
}
/* Usage implied by mbedtls_pk_get_psa_attributes() */
if (expected_usage & PSA_KEY_USAGE_SIGN_HASH) {
expected_usage |= PSA_KEY_USAGE_VERIFY_HASH;
}
if (expected_usage & PSA_KEY_USAGE_SIGN_MESSAGE) {
expected_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
}
if (expected_usage & PSA_KEY_USAGE_DECRYPT) {
expected_usage |= PSA_KEY_USAGE_ENCRYPT;
}
expected_usage |= PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_COPY;
#if defined(MBEDTLS_ECDSA_DETERMINISTIC) #if defined(MBEDTLS_ECDSA_DETERMINISTIC)
/* When the resulting algorithm is ECDSA, the compile-time configuration /* When the resulting algorithm is ECDSA, the compile-time configuration
@ -1795,26 +1802,7 @@ void pk_rsa_v21_get_psa_attributes(int md_type, int from_pair,
if (!to_pair) { if (!to_pair) {
expected_psa_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR(expected_psa_type); expected_psa_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR(expected_psa_type);
} }
psa_key_usage_t expected_usage = pk_get_psa_attributes_implied_usage(usage);
psa_key_usage_t expected_usage = usage;
/* Usage implied universally */
if (expected_usage & PSA_KEY_USAGE_SIGN_HASH) {
expected_usage |= PSA_KEY_USAGE_SIGN_MESSAGE;
}
if (expected_usage & PSA_KEY_USAGE_VERIFY_HASH) {
expected_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
}
/* Usage implied by mbedtls_pk_get_psa_attributes() */
if (expected_usage & PSA_KEY_USAGE_SIGN_HASH) {
expected_usage |= PSA_KEY_USAGE_VERIFY_HASH;
}
if (expected_usage & PSA_KEY_USAGE_SIGN_MESSAGE) {
expected_usage |= PSA_KEY_USAGE_VERIFY_MESSAGE;
}
if (expected_usage & PSA_KEY_USAGE_DECRYPT) {
expected_usage |= PSA_KEY_USAGE_ENCRYPT;
}
expected_usage |= PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_COPY;
TEST_EQUAL(mbedtls_pk_get_psa_attributes(&pk, usage, &attributes), 0); TEST_EQUAL(mbedtls_pk_get_psa_attributes(&pk, usage, &attributes), 0);