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Merge pull request #8815 from gilles-peskine-arm/psa_generate_key_ext-prototype

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Introduce psa_generate_key_ext
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Gilles Peskine 2024-02-26 07:16:49 +00:00 committed by GitHub
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10 changed files with 649 additions and 61 deletions
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3
ChangeLog.d/psa_generate_key_ext.txt Normal file
View file

@ -0,0 +1,3 @@
Features
* The new function psa_generate_key_ext() allows generating an RSA
key pair with a custom public exponent.

159
include/psa/crypto.h
View file

@ -119,8 +119,9 @@ static psa_key_attributes_t psa_key_attributes_init(void);
* value in the structure.
* The persistent key will be written to storage when the attribute
* structure is passed to a key creation function such as
* psa_import_key(), psa_generate_key(),
* psa_key_derivation_output_key() or psa_copy_key().
* psa_import_key(), psa_generate_key(), psa_generate_key_ext(),
* psa_key_derivation_output_key(), psa_key_derivation_output_key_ext()
* or psa_copy_key().
*
* This function may be declared as `static` (i.e. without external
* linkage). This function may be provided as a function-like macro,
@ -163,8 +164,9 @@ static void mbedtls_set_key_owner_id(psa_key_attributes_t *attributes,
* value in the structure.
* The persistent key will be written to storage when the attribute
* structure is passed to a key creation function such as
* psa_import_key(), psa_generate_key(),
* psa_key_derivation_output_key() or psa_copy_key().
* psa_import_key(), psa_generate_key(), psa_generate_key_ext(),
* psa_key_derivation_output_key(), psa_key_derivation_output_key_ext()
* or psa_copy_key().
*
* This function may be declared as `static` (i.e. without external
* linkage). This function may be provided as a function-like macro,
@ -3226,7 +3228,8 @@ static psa_key_derivation_operation_t psa_key_derivation_operation_init(void);
* psa_key_derivation_set_capacity(). You may do this before, in the middle
* of or after providing inputs. For some algorithms, this step is mandatory
* because the output depends on the maximum capacity.
* -# To derive a key, call psa_key_derivation_output_key().
* -# To derive a key, call psa_key_derivation_output_key() or
* psa_key_derivation_output_key_ext().
* To derive a byte string for a different purpose, call
* psa_key_derivation_output_bytes().
* Successive calls to these functions use successive output bytes
@ -3449,7 +3452,8 @@ psa_status_t psa_key_derivation_input_integer(
* \note Once all inputs steps are completed, the operations will allow:
* - psa_key_derivation_output_bytes() if each input was either a direct input
* or a key with #PSA_KEY_USAGE_DERIVE set;
* - psa_key_derivation_output_key() if the input for step
* - psa_key_derivation_output_key() or psa_key_derivation_output_key_ext()
* if the input for step
* #PSA_KEY_DERIVATION_INPUT_SECRET or #PSA_KEY_DERIVATION_INPUT_PASSWORD
* was from a key slot with #PSA_KEY_USAGE_DERIVE and each other input was
* either a direct input or a key with #PSA_KEY_USAGE_DERIVE set;
@ -3697,6 +3701,11 @@ psa_status_t psa_key_derivation_output_bytes(
* Future versions of this specification may include additional restrictions
* on the derived key based on the attributes and strength of the secret key.
*
* \note This function is equivalent to calling
* psa_key_derivation_output_key_ext()
* with the production parameters #PSA_KEY_PRODUCTION_PARAMETERS_INIT
* and `params_data_length == 0` (i.e. `params->data` is empty).
*
* \param[in] attributes The attributes for the new key.
* If the key type to be created is
* #PSA_KEY_TYPE_PASSWORD_HASH then the algorithm in
@ -3750,6 +3759,83 @@ psa_status_t psa_key_derivation_output_key(
psa_key_derivation_operation_t *operation,
mbedtls_svc_key_id_t *key);
/** Derive a key from an ongoing key derivation operation with custom
* production parameters.
*
* See the description of psa_key_derivation_out_key() for the operation of
* this function with the default production parameters.
* Mbed TLS currently does not currently support any non-default production
* parameters.
*
* \note This function is experimental and may change in future minor
* versions of Mbed TLS.
*
* \param[in] attributes The attributes for the new key.
* If the key type to be created is
* #PSA_KEY_TYPE_PASSWORD_HASH then the algorithm in
* the policy must be the same as in the current
* operation.
* \param[in,out] operation The key derivation operation object to read from.
* \param[in] params Customization parameters for the key derivation.
* When this is #PSA_KEY_PRODUCTION_PARAMETERS_INIT
* with \p params_data_length = 0,
* this function is equivalent to
* psa_key_derivation_output_key().
* Mbed TLS currently only supports the default
* production parameters, i.e.
* #PSA_KEY_PRODUCTION_PARAMETERS_INIT,
* for all key types.
* \param params_data_length
* Length of `params->data` in bytes.
* \param[out] key On success, an identifier for the newly created
* key. For persistent keys, this is the key
* identifier defined in \p attributes.
* \c 0 on failure.
*
* \retval #PSA_SUCCESS
* Success.
* If the key is persistent, the key material and the key's metadata
* have been saved to persistent storage.
* \retval #PSA_ERROR_ALREADY_EXISTS
* This is an attempt to create a persistent key, and there is
* already a persistent key with the given identifier.
* \retval #PSA_ERROR_INSUFFICIENT_DATA
* There was not enough data to create the desired key.
* Note that in this case, no output is written to the output buffer.
* The operation's capacity is set to 0, thus subsequent calls to
* this function will not succeed, even with a smaller output buffer.
* \retval #PSA_ERROR_NOT_SUPPORTED
* The key type or key size is not supported, either by the
* implementation in general or in this particular location.
* \retval #PSA_ERROR_INVALID_ARGUMENT
* The provided key attributes are not valid for the operation.
* \retval #PSA_ERROR_NOT_PERMITTED
* The #PSA_KEY_DERIVATION_INPUT_SECRET or
* #PSA_KEY_DERIVATION_INPUT_PASSWORD input was not provided through a
* key; or one of the inputs was a key whose policy didn't allow
* #PSA_KEY_USAGE_DERIVE.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY \emptydescription
* \retval #PSA_ERROR_INSUFFICIENT_STORAGE \emptydescription
* \retval #PSA_ERROR_COMMUNICATION_FAILURE \emptydescription
* \retval #PSA_ERROR_HARDWARE_FAILURE \emptydescription
* \retval #PSA_ERROR_CORRUPTION_DETECTED \emptydescription
* \retval #PSA_ERROR_DATA_INVALID \emptydescription
* \retval #PSA_ERROR_DATA_CORRUPT \emptydescription
* \retval #PSA_ERROR_STORAGE_FAILURE \emptydescription
* \retval #PSA_ERROR_BAD_STATE
* The operation state is not valid (it must be active and completed
* all required input steps), or the library has not been previously
* initialized by psa_crypto_init().
* It is implementation-dependent whether a failure to initialize
* results in this error code.
*/
psa_status_t psa_key_derivation_output_key_ext(
const psa_key_attributes_t *attributes,
psa_key_derivation_operation_t *operation,
const psa_key_production_parameters_t *params,
size_t params_data_length,
mbedtls_svc_key_id_t *key);
/** Compare output data from a key derivation operation to an expected value.
*
* This function calculates output bytes from a key derivation algorithm and
@ -3835,7 +3921,8 @@ psa_status_t psa_key_derivation_verify_bytes(
* and the permitted algorithm must match the
* operation. The value of this key was likely
* computed by a previous call to
* psa_key_derivation_output_key().
* psa_key_derivation_output_key() or
* psa_key_derivation_output_key_ext().
*
* \retval #PSA_SUCCESS \emptydescription
* \retval #PSA_ERROR_INVALID_SIGNATURE
@ -4003,6 +4090,10 @@ psa_status_t psa_generate_random(uint8_t *output,
* between 2^{n-1} and 2^n where n is the bit size specified in the
* attributes.
*
* \note This function is equivalent to calling psa_generate_key_ext()
* with the production parameters #PSA_KEY_PRODUCTION_PARAMETERS_INIT
* and `params_data_length == 0` (i.e. `params->data` is empty).
*
* \param[in] attributes The attributes for the new key.
* \param[out] key On success, an identifier for the newly created
* key. For persistent keys, this is the key
@ -4035,6 +4126,60 @@ psa_status_t psa_generate_random(uint8_t *output,
psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
mbedtls_svc_key_id_t *key);
/**
* \brief Generate a key or key pair using custom production parameters.
*
* See the description of psa_generate_key() for the operation of this
* function with the default production parameters. In addition, this function
* supports the following production customizations, described in more detail
* in the documentation of ::psa_key_production_parameters_t:
*
* - RSA keys: generation with a custom public exponent.
*
* \note This function is experimental and may change in future minor
* versions of Mbed TLS.
*
* \param[in] attributes The attributes for the new key.
* \param[in] params Customization parameters for the key generation.
* When this is #PSA_KEY_PRODUCTION_PARAMETERS_INIT
* with \p params_data_length = 0,
* this function is equivalent to
* psa_key_generation_output_key().
* \param params_data_length
* Length of `params->data` in bytes.
* \param[out] key On success, an identifier for the newly created
* key. For persistent keys, this is the key
* identifier defined in \p attributes.
* \c 0 on failure.
*
* \retval #PSA_SUCCESS
* Success.
* If the key is persistent, the key material and the key's metadata
* have been saved to persistent storage.
* \retval #PSA_ERROR_ALREADY_EXISTS
* This is an attempt to create a persistent key, and there is
* already a persistent key with the given identifier.
* \retval #PSA_ERROR_NOT_SUPPORTED \emptydescription
* \retval #PSA_ERROR_INVALID_ARGUMENT \emptydescription
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY \emptydescription
* \retval #PSA_ERROR_INSUFFICIENT_ENTROPY \emptydescription
* \retval #PSA_ERROR_COMMUNICATION_FAILURE \emptydescription
* \retval #PSA_ERROR_HARDWARE_FAILURE \emptydescription
* \retval #PSA_ERROR_CORRUPTION_DETECTED \emptydescription
* \retval #PSA_ERROR_INSUFFICIENT_STORAGE \emptydescription
* \retval #PSA_ERROR_DATA_INVALID \emptydescription
* \retval #PSA_ERROR_DATA_CORRUPT \emptydescription
* \retval #PSA_ERROR_STORAGE_FAILURE \emptydescription
* \retval #PSA_ERROR_BAD_STATE
* The library has not been previously initialized by psa_crypto_init().
* It is implementation-dependent whether a failure to initialize
* results in this error code.
*/
psa_status_t psa_generate_key_ext(const psa_key_attributes_t *attributes,
const psa_key_production_parameters_t *params,
size_t params_data_length,
mbedtls_svc_key_id_t *key);
/**@}*/
/** \defgroup interruptible_hash Interruptible sign/verify hash

16
include/psa/crypto_struct.h
View file

@ -223,6 +223,22 @@ static inline struct psa_key_derivation_s psa_key_derivation_operation_init(
return v;
}
struct psa_key_production_parameters_s {
/* Future versions may add other fields in this structure. */
uint32_t flags;
uint8_t data[];
};
/** The default production parameters for key generation or key derivation.
*
* Calling psa_generate_key_ext() or psa_key_derivation_output_key_ext()
* with `params=PSA_KEY_PRODUCTION_PARAMETERS_INIT` and
* `params_data_length == 0` is equivalent to
* calling psa_generate_key() or psa_key_derivation_output_key()
* respectively.
*/
#define PSA_KEY_PRODUCTION_PARAMETERS_INIT { 0 }
struct psa_key_policy_s {
psa_key_usage_t MBEDTLS_PRIVATE(usage);
psa_algorithm_t MBEDTLS_PRIVATE(alg);

24
include/psa/crypto_types.h
View file

@ -455,6 +455,30 @@ typedef uint64_t psa_key_slot_number_t;
*/
typedef uint16_t psa_key_derivation_step_t;
/** \brief Custom parameters for key generation or key derivation.
*
* This is a structure type with at least the following fields:
*
* - \c flags: an unsigned integer type. 0 for the default production parameters.
* - \c data: a flexible array of bytes.
*
* The interpretation of this structure depend on the type of the
* created key.
*
* - #PSA_KEY_TYPE_RSA_KEY_PAIR:
* - \c flags: must be 0.
* - \c data: the public exponent, in little-endian order.
* This must be an odd integer and must not be 1.
* Implementations must support 65535, should support 3 and may
* support other values.
* When not using a driver, Mbed TLS supports values up to \c INT_MAX.
* If this is empty or if the custom production parameters are omitted
* altogether, the default value 65537 is used.
* - Other key types: reserved for future use. \c flags must be 0.
*
*/
typedef struct psa_key_production_parameters_s psa_key_production_parameters_t;
/**@}*/
#endif /* PSA_CRYPTO_TYPES_H */

84
library/psa_crypto.c
View file

@ -6066,9 +6066,28 @@ exit:
return status;
}
psa_status_t psa_key_derivation_output_key(const psa_key_attributes_t *attributes,
psa_key_derivation_operation_t *operation,
mbedtls_svc_key_id_t *key)
static const psa_key_production_parameters_t default_production_parameters =
PSA_KEY_PRODUCTION_PARAMETERS_INIT;
int psa_key_production_parameters_are_default(
const psa_key_production_parameters_t *params,
size_t params_data_length)
{
if (params->flags != 0) {
return 0;
}
if (params_data_length != 0) {
return 0;
}
return 1;
}
psa_status_t psa_key_derivation_output_key_ext(
const psa_key_attributes_t *attributes,
psa_key_derivation_operation_t *operation,
const psa_key_production_parameters_t *params,
size_t params_data_length,
mbedtls_svc_key_id_t *key)
{
psa_status_t status;
psa_key_slot_t *slot = NULL;
@ -6082,6 +6101,10 @@ psa_status_t psa_key_derivation_output_key(const psa_key_attributes_t *attribute
return PSA_ERROR_INVALID_ARGUMENT;
}
if (!psa_key_production_parameters_are_default(params, params_data_length)) {
return PSA_ERROR_INVALID_ARGUMENT;
}
if (operation->alg == PSA_ALG_NONE) {
return PSA_ERROR_BAD_STATE;
}
@ -6113,6 +6136,15 @@ psa_status_t psa_key_derivation_output_key(const psa_key_attributes_t *attribute
return status;
}
psa_status_t psa_key_derivation_output_key(
const psa_key_attributes_t *attributes,
psa_key_derivation_operation_t *operation,
mbedtls_svc_key_id_t *key)
{
return psa_key_derivation_output_key_ext(attributes, operation,
&default_production_parameters, 0,
key);
}
/****************************************************************/
@ -7509,11 +7541,16 @@ static psa_status_t psa_validate_key_type_and_size_for_key_generation(
psa_status_t psa_generate_key_internal(
const psa_key_attributes_t *attributes,
const psa_key_production_parameters_t *params, size_t params_data_length,
uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length)
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_type_t type = attributes->core.type;
/* Only used for RSA */
(void) params;
(void) params_data_length;
if ((attributes->domain_parameters == NULL) &&
(attributes->domain_parameters_size != 0)) {
return PSA_ERROR_INVALID_ARGUMENT;
@ -7534,7 +7571,16 @@ psa_status_t psa_generate_key_internal(
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
if (type == PSA_KEY_TYPE_RSA_KEY_PAIR) {
return mbedtls_psa_rsa_generate_key(attributes,
/* Hack: if the method specifies a non-default e, pass it
* via the domain parameters. TODO: refactor this code so
* that mbedtls_psa_rsa_generate_key() gets e via a new
* parameter instead. */
psa_key_attributes_t override_attributes = *attributes;
if (params_data_length != 0) {
override_attributes.domain_parameters_size = params_data_length;
override_attributes.domain_parameters = (uint8_t *) &params->data;
}
return mbedtls_psa_rsa_generate_key(&override_attributes,
key_buffer,
key_buffer_size,
key_buffer_length);
@ -7566,8 +7612,10 @@ psa_status_t psa_generate_key_internal(
return PSA_SUCCESS;
}
psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
mbedtls_svc_key_id_t *key)
psa_status_t psa_generate_key_ext(const psa_key_attributes_t *attributes,
const psa_key_production_parameters_t *params,
size_t params_data_length,
mbedtls_svc_key_id_t *key)
{
psa_status_t status;
psa_key_slot_t *slot = NULL;
@ -7587,6 +7635,17 @@ psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
return PSA_ERROR_INVALID_ARGUMENT;
}
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
if (attributes->core.type == PSA_KEY_TYPE_RSA_KEY_PAIR) {
if (params->flags != 0) {
return PSA_ERROR_INVALID_ARGUMENT;
}
} else
#endif
if (!psa_key_production_parameters_are_default(params, params_data_length)) {
return PSA_ERROR_INVALID_ARGUMENT;
}
status = psa_start_key_creation(PSA_KEY_CREATION_GENERATE, attributes,
&slot, &driver);
if (status != PSA_SUCCESS) {
@ -7624,8 +7683,9 @@ psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
}
status = psa_driver_wrapper_generate_key(attributes,
slot->key.data, slot->key.bytes, &slot->key.bytes);
params, params_data_length,
slot->key.data, slot->key.bytes,
&slot->key.bytes);
if (status != PSA_SUCCESS) {
psa_remove_key_data_from_memory(slot);
}
@ -7641,6 +7701,14 @@ exit:
return status;
}
psa_status_t psa_generate_key(const psa_key_attributes_t *attributes,
mbedtls_svc_key_id_t *key)
{
return psa_generate_key_ext(attributes,
&default_production_parameters, 0,
key);
}
/****************************************************************/
/* Module setup */
/****************************************************************/

17
library/psa_crypto_core.h
View file

@ -398,6 +398,18 @@ psa_status_t psa_export_public_key_internal(
const uint8_t *key_buffer, size_t key_buffer_size,
uint8_t *data, size_t data_size, size_t *data_length);
/** Whether a key production parameters structure is the default.
*
* Calls to a key generation driver with non-default production parameters
* require a driver supporting custom production parameters.
*
* \param[in] params The key production parameters to check.
* \param params_data_length Size of `params->data` in bytes.
*/
int psa_key_production_parameters_are_default(
const psa_key_production_parameters_t *params,
size_t params_data_length);
/**
* \brief Generate a key.
*
@ -405,6 +417,9 @@ psa_status_t psa_export_public_key_internal(
* entry point.
*
* \param[in] attributes The attributes for the key to generate.
* \param[in] params The production parameters from
* psa_generate_key_ext().
* \param params_data_length The size of `params->data` in bytes.
* \param[out] key_buffer Buffer where the key data is to be written.
* \param[in] key_buffer_size Size of \p key_buffer in bytes.
* \param[out] key_buffer_length On success, the number of bytes written in
@ -419,6 +434,8 @@ psa_status_t psa_export_public_key_internal(
* The size of \p key_buffer is too small.
*/
psa_status_t psa_generate_key_internal(const psa_key_attributes_t *attributes,
const psa_key_production_parameters_t *params,
size_t params_data_length,
uint8_t *key_buffer,
size_t key_buffer_size,
size_t *key_buffer_length);

25
scripts/data_files/driver_templates/psa_crypto_driver_wrappers.h.jinja
View file

@ -731,12 +731,27 @@ static inline psa_status_t psa_driver_wrapper_get_key_buffer_size_from_key_data(
static inline psa_status_t psa_driver_wrapper_generate_key(
const psa_key_attributes_t *attributes,
const psa_key_production_parameters_t *params, size_t params_data_length,
uint8_t *key_buffer, size_t key_buffer_size, size_t *key_buffer_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_location_t location =
PSA_KEY_LIFETIME_GET_LOCATION(attributes->core.lifetime);
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
int is_default_production =
psa_key_production_parameters_are_default(params, params_data_length);
if( location != PSA_KEY_LOCATION_LOCAL_STORAGE && !is_default_production )
{
/* We don't support passing custom production parameters
* to drivers yet. */
return PSA_ERROR_NOT_SUPPORTED;
}
#else
int is_default_production = 1;
(void) is_default_production;
#endif
/* Try dynamically-registered SE interface first */
#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
const psa_drv_se_t *drv;
@ -762,8 +777,11 @@ static inline psa_status_t psa_driver_wrapper_generate_key(
{
case PSA_KEY_LOCATION_LOCAL_STORAGE:
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
/* Transparent drivers are limited to generating asymmetric keys */
if( PSA_KEY_TYPE_IS_ASYMMETRIC( attributes->core.type ) )
/* Transparent drivers are limited to generating asymmetric keys. */
/* We don't support passing custom production parameters
* to drivers yet. */
if( PSA_KEY_TYPE_IS_ASYMMETRIC( attributes->core.type ) &&
is_default_production )
{
/* Cycle through all known transparent accelerators */
#if defined(PSA_CRYPTO_DRIVER_TEST)
@ -793,7 +811,8 @@ static inline psa_status_t psa_driver_wrapper_generate_key(
/* Software fallback */
status = psa_generate_key_internal(
attributes, key_buffer, key_buffer_size, key_buffer_length );
attributes, params, params_data_length,
key_buffer, key_buffer_size, key_buffer_length );
break;
/* Add cases for opaque driver here */

5
tests/scripts/analyze_outcomes.py
View file

@ -570,6 +570,11 @@ KNOWN_TASKS = {
re.compile(r'mbedtls_ct_zeroize_if .*'),
re.compile(r'mbedtls_ct_memmove_left .*')
],
'test_suite_psa_crypto': [
# We don't support generate_key_ext entry points
# in drivers yet.
re.compile(r'PSA generate key ext: RSA, e=.*'),
],
}
}
},

104
tests/suites/test_suite_psa_crypto.data
View file

@ -6870,6 +6870,18 @@ PSA key derivation: PBKDF2-AES-CMAC-PRF-128-> AES-256
depends_on:PSA_WANT_ALG_PBKDF2_AES_CMAC_PRF_128:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES:!MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
derive_key_type:PSA_ALG_PBKDF2_AES_CMAC_PRF_128:"706173737764":"01":"73616c74":PSA_KEY_TYPE_AES:256:"28e288c6345bb5ecf7ca70274208a3ba0f1148b5868537d5e09d3ee6813b1f52"
PSA key derivation: default params -> AES-128
depends_on:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_AES
derive_key_ext:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_AES:128:0:"":PSA_SUCCESS:"3cb25f25faacd57a90434f64d0362f2a"
PSA key derivation: params.flags=1 -> AES-128
depends_on:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_AES
derive_key_ext:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_AES:128:1:"":PSA_ERROR_INVALID_ARGUMENT:""
PSA key derivation: params.data non-empty -> AES-128
depends_on:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256:PSA_WANT_KEY_TYPE_AES
derive_key_ext:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_AES:128:0:"2a":PSA_ERROR_INVALID_ARGUMENT:""
PSA key derivation: invalid type (0)
depends_on:PSA_WANT_ALG_HKDF:PSA_WANT_ALG_SHA_256
derive_key:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":PSA_KEY_TYPE_NONE:128:PSA_ERROR_NOT_SUPPORTED:0
@ -7419,22 +7431,22 @@ PSA generate key: ECC, Curve448, good
depends_on:PSA_WANT_ALG_ECDH:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE:PSA_WANT_ECC_MONTGOMERY_448
generate_key:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_MONTGOMERY):448:PSA_KEY_USAGE_EXPORT | PSA_KEY_USAGE_DERIVE:PSA_ALG_ECDH:PSA_SUCCESS:0
PSA generate key: RSA, default e
PSA generate key: RSA, domain parameters: default e
generate_key_rsa:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:"":PSA_SUCCESS
PSA generate key: RSA, e=3
PSA generate key: RSA, domain parameters: e=3
generate_key_rsa:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:"03":PSA_SUCCESS
PSA generate key: RSA, e=65537
PSA generate key: RSA, domain parameters: e=65537
generate_key_rsa:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:"010001":PSA_SUCCESS
PSA generate key: RSA, e=513
PSA generate key: RSA, domain parameters: e=513
generate_key_rsa:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:"0201":PSA_SUCCESS
PSA generate key: RSA, e=1
PSA generate key: RSA, domain parameters: e=1
generate_key_rsa:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:"01":PSA_ERROR_INVALID_ARGUMENT
PSA generate key: RSA, e=2
PSA generate key: RSA, domain parameters: e=2
generate_key_rsa:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:"02":PSA_ERROR_INVALID_ARGUMENT
PSA generate key: FFDH, 2048 bits, good
@ -7461,6 +7473,86 @@ PSA generate key: FFDH, 1024 bits, invalid bits
depends_on:PSA_WANT_ALG_FFDH:PSA_WANT_KEY_TYPE_DH_KEY_PAIR_GENERATE
generate_key:PSA_KEY_TYPE_DH_KEY_PAIR(PSA_DH_FAMILY_RFC7919):1024:PSA_KEY_USAGE_EXPORT:PSA_ALG_FFDH:PSA_ERROR_NOT_SUPPORTED:0
PSA generate key ext: RSA, params.flags=1
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:1:"":PSA_ERROR_INVALID_ARGUMENT
PSA generate key ext: RSA, empty e
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"":PSA_SUCCESS
PSA generate key ext: RSA, e=3
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"03":PSA_SUCCESS
PSA generate key ext: RSA, e=3 with leading zeros
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"000003":PSA_SUCCESS
# TODO: currently errors with NOT_SUPPORTED because e is converted to an int
# and the conversion errors out if there are too many digits without checking
# for leading zeros. This is a very minor bug. Re-enable this test when this
# bug is fixed.
#PSA generate key ext: RSA, e=3 with many leading zeros
#depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT
#generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"0000000000000000000000000000000003":PSA_SUCCESS
PSA generate key ext: RSA, e=513
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"0201":PSA_SUCCESS
PSA generate key ext: RSA, e=65537
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"010001":PSA_SUCCESS
PSA generate key ext: RSA, e=2^31-1
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:PSA_WANT_ALG_RSA_PKCS1V15_CRYPT:INT_MAX>=0x7fffffff
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:PSA_ALG_RSA_PKCS1V15_CRYPT:0:"7fffffff":PSA_SUCCESS
PSA generate key ext: RSA, e=2^31+3 (too large for built-in RSA)
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:!MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_GENERATE:INT_MAX<=0x7fffffff
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:0:"80000003":PSA_ERROR_NOT_SUPPORTED
PSA generate key ext: RSA, e=2^64+3 (too large for built-in RSA)
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE:!MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_GENERATE:INT_MAX<=0xffffffffffffffff
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:0:"010000000000000003":PSA_ERROR_NOT_SUPPORTED
PSA generate key ext: RSA, e=1
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:0:"01":PSA_ERROR_INVALID_ARGUMENT
PSA generate key ext: RSA, e=0
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:0:"00":PSA_ERROR_INVALID_ARGUMENT
PSA generate key ext: RSA, e=2
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:0:"02":PSA_ERROR_INVALID_ARGUMENT
# Check that with a driver, we reject a custom e as unsupported,
# as opposed to silently using the default e.
# When we add proper driver support, remove this test case and remove
# the dependency on MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE from
# the positive/invalid_argument test cases.
PSA generate key ext: RSA, e=3 with driver and no fallback (not yet supported)
depends_on:PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE:!MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR_GENERATE
generate_key_ext:PSA_KEY_TYPE_RSA_KEY_PAIR:PSA_VENDOR_RSA_GENERATE_MIN_KEY_BITS:PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT:0:0:"03":PSA_ERROR_NOT_SUPPORTED
PSA generate key ext: ECC, flags=0
depends_on:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE:PSA_WANT_ECC_SECP_R1_256:PSA_WANT_ALG_ECDH
generate_key_ext:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):256:PSA_KEY_USAGE_DERIVE:PSA_ALG_ECDH:0:"":PSA_SUCCESS
PSA generate key ext: ECC, flags=1
depends_on:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE:PSA_WANT_ECC_SECP_R1_256:PSA_WANT_ALG_ECDH
generate_key_ext:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):256:PSA_KEY_USAGE_DERIVE:PSA_ALG_ECDH:1:"":PSA_ERROR_INVALID_ARGUMENT
PSA generate key ext: ECC, params.data non-empty
depends_on:PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE:PSA_WANT_ECC_SECP_R1_256:PSA_WANT_ALG_ECDH
generate_key_ext:PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1):256:PSA_KEY_USAGE_DERIVE:PSA_ALG_ECDH:0:"2a":PSA_ERROR_INVALID_ARGUMENT
Key production parameters initializers
key_production_parameters_init:
PSA import persistent key: raw data, 8 bits
depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C
persistent_key_load_key_from_storage:"2a":PSA_KEY_TYPE_RAW_DATA:8:PSA_KEY_USAGE_EXPORT:0:IMPORT_KEY

273
tests/suites/test_suite_psa_crypto.function
View file

@ -1255,6 +1255,84 @@ static void interruptible_signverify_get_minmax_completes(uint32_t max_ops,
}
#endif /* MBEDTLS_ECP_RESTARTABLE */
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
static int rsa_test_e(mbedtls_svc_key_id_t key,
size_t bits,
const data_t *e_arg)
{
uint8_t *exported = NULL;
size_t exported_size =
PSA_EXPORT_KEY_OUTPUT_SIZE(PSA_KEY_TYPE_RSA_PUBLIC_KEY, bits);
size_t exported_length = SIZE_MAX;
int ok = 0;
TEST_CALLOC(exported, exported_size);
PSA_ASSERT(psa_export_public_key(key,
exported, exported_size,
&exported_length));
uint8_t *p = exported;
uint8_t *end = exported + exported_length;
size_t len;
/* RSAPublicKey ::= SEQUENCE {
* modulus INTEGER, -- n
* publicExponent INTEGER } -- e
*/
TEST_EQUAL(0, mbedtls_asn1_get_tag(&p, end, &len,
MBEDTLS_ASN1_SEQUENCE |
MBEDTLS_ASN1_CONSTRUCTED));
TEST_ASSERT(mbedtls_test_asn1_skip_integer(&p, end, bits, bits, 1));
TEST_EQUAL(0, mbedtls_asn1_get_tag(&p, end, &len,
MBEDTLS_ASN1_INTEGER));
if (len >= 1 && p[0] == 0) {
++p;
--len;
}
if (e_arg->len == 0) {
TEST_EQUAL(len, 3);
TEST_EQUAL(p[0], 1);
TEST_EQUAL(p[1], 0);
TEST_EQUAL(p[2], 1);
} else {
const uint8_t *expected = e_arg->x;
size_t expected_len = e_arg->len;
while (expected_len > 0 && *expected == 0) {
++expected;
--expected_len;
}
TEST_MEMORY_COMPARE(p, len, expected, expected_len);
}
ok = 1;
exit:
mbedtls_free(exported);
return ok;
}
#endif /* PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE */
static int setup_key_production_parameters(
psa_key_production_parameters_t **params, size_t *params_data_length,
int flags_arg, const data_t *params_data)
{
*params_data_length = params_data->len;
/* If there are N bytes of padding at the end of
* psa_key_production_parameters_t, then it's enough to allocate
* MIN(sizeof(psa_key_production_parameters_t),
* offsetof(psa_key_production_parameters_t, data) + params_data_length).
*
* For simplicity, here, we allocate up to N more bytes than necessary.
* In practice, the current layout of psa_key_production_parameters_t
* makes padding extremely unlikely, so we don't worry about testing
* that the library code doesn't try to access these extra N bytes.
*/
*params = mbedtls_calloc(1, sizeof(**params) + *params_data_length);
TEST_ASSERT(*params != NULL);
(*params)->flags = (uint32_t) flags_arg;
memcpy((*params)->data, params_data->x, params_data->len);
return 1;
exit:
return 0;
}
/* END_HEADER */
/* BEGIN_DEPENDENCIES
@ -9254,6 +9332,81 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE */
void derive_key_ext(int alg_arg,
data_t *key_data,
data_t *input1,
data_t *input2,
int key_type_arg, int bits_arg,
int flags_arg,
data_t *params_data,
psa_status_t expected_status,
data_t *expected_export)
{
mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
const psa_algorithm_t alg = alg_arg;
const psa_key_type_t key_type = key_type_arg;
const size_t bits = bits_arg;
psa_key_production_parameters_t *params = NULL;
size_t params_data_length = 0;
psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
const size_t export_buffer_size =
PSA_EXPORT_KEY_OUTPUT_SIZE(key_type, bits);
uint8_t *export_buffer = NULL;
psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
size_t export_length;
TEST_CALLOC(export_buffer, export_buffer_size);
PSA_ASSERT(psa_crypto_init());
psa_set_key_usage_flags(&base_attributes, PSA_KEY_USAGE_DERIVE);
psa_set_key_algorithm(&base_attributes, alg);
psa_set_key_type(&base_attributes, PSA_KEY_TYPE_DERIVE);
PSA_ASSERT(psa_import_key(&base_attributes, key_data->x, key_data->len,
&base_key));
if (mbedtls_test_psa_setup_key_derivation_wrap(
&operation, base_key, alg,
input1->x, input1->len,
input2->x, input2->len,
PSA_KEY_DERIVATION_UNLIMITED_CAPACITY) == 0) {
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, key_type);
psa_set_key_bits(&derived_attributes, bits);
if (!setup_key_production_parameters(&params, &params_data_length,
flags_arg, params_data)) {
goto exit;
}
TEST_EQUAL(psa_key_derivation_output_key_ext(&derived_attributes, &operation,
params, params_data_length,
&derived_key),
expected_status);
if (expected_status == PSA_SUCCESS) {
PSA_ASSERT(psa_export_key(derived_key,
export_buffer, export_buffer_size,
&export_length));
TEST_MEMORY_COMPARE(export_buffer, export_length,
expected_export->x, expected_export->len);
}
exit:
mbedtls_free(export_buffer);
mbedtls_free(params);
psa_key_derivation_abort(&operation);
psa_destroy_key(base_key);
psa_destroy_key(derived_key);
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void derive_key(int alg_arg,
data_t *key_data, data_t *input1, data_t *input2,
@ -9699,10 +9852,6 @@ void generate_key_rsa(int bits_arg,
psa_algorithm_t alg = PSA_ALG_RSA_PKCS1V15_SIGN_RAW;
psa_status_t expected_status = expected_status_arg;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
uint8_t *exported = NULL;
size_t exported_size =
PSA_EXPORT_KEY_OUTPUT_SIZE(PSA_KEY_TYPE_RSA_PUBLIC_KEY, bits);
size_t exported_length = SIZE_MAX;
uint8_t *e_read_buffer = NULL;
int is_default_public_exponent = 0;
size_t e_read_size = PSA_KEY_DOMAIN_PARAMETERS_SIZE(type, bits);
@ -9715,7 +9864,6 @@ void generate_key_rsa(int bits_arg,
e_read_size = 0;
}
TEST_CALLOC(e_read_buffer, e_read_size);
TEST_CALLOC(exported, exported_size);
PSA_ASSERT(psa_crypto_init());
@ -9759,37 +9907,7 @@ void generate_key_rsa(int bits_arg,
goto exit;
}
/* Export the key and check the public exponent. */
PSA_ASSERT(psa_export_public_key(key,
exported, exported_size,
&exported_length));
{
uint8_t *p = exported;
uint8_t *end = exported + exported_length;
size_t len;
/* RSAPublicKey ::= SEQUENCE {
* modulus INTEGER, -- n
* publicExponent INTEGER } -- e
*/
TEST_EQUAL(0, mbedtls_asn1_get_tag(&p, end, &len,
MBEDTLS_ASN1_SEQUENCE |
MBEDTLS_ASN1_CONSTRUCTED));
TEST_ASSERT(mbedtls_test_asn1_skip_integer(&p, end, bits, bits, 1));
TEST_EQUAL(0, mbedtls_asn1_get_tag(&p, end, &len,
MBEDTLS_ASN1_INTEGER));
if (len >= 1 && p[0] == 0) {
++p;
--len;
}
if (e_arg->len == 0) {
TEST_EQUAL(len, 3);
TEST_EQUAL(p[0], 1);
TEST_EQUAL(p[1], 0);
TEST_EQUAL(p[2], 1);
} else {
TEST_MEMORY_COMPARE(p, len, e_arg->x, e_arg->len);
}
}
TEST_ASSERT(rsa_test_e(key, bits, e_arg));
exit:
/*
@ -9801,7 +9919,88 @@ exit:
psa_destroy_key(key);
PSA_DONE();
mbedtls_free(e_read_buffer);
mbedtls_free(exported);
}
/* END_CASE */
/* BEGIN_CASE */
void generate_key_ext(int type_arg,
int bits_arg,
int usage_arg,
int alg_arg,
int flags_arg,
data_t *params_data,
int expected_status_arg)
{
mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
psa_key_type_t type = type_arg;
psa_key_usage_t usage = usage_arg;
size_t bits = bits_arg;
psa_algorithm_t alg = alg_arg;
psa_status_t expected_status = expected_status_arg;
psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
psa_key_production_parameters_t *params = NULL;
size_t params_data_length = 0;
psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
PSA_ASSERT(psa_crypto_init());
psa_set_key_usage_flags(&attributes, usage);
psa_set_key_algorithm(&attributes, alg);
psa_set_key_type(&attributes, type);
psa_set_key_bits(&attributes, bits);
if (!setup_key_production_parameters(&params, &params_data_length,
flags_arg, params_data)) {
goto exit;
}
/* Generate a key */
psa_status_t status = psa_generate_key_ext(&attributes,
params, params_data_length,
&key);
TEST_EQUAL(status, expected_status);
if (expected_status != PSA_SUCCESS) {
goto exit;
}
/* Test the key information */
PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
TEST_EQUAL(psa_get_key_type(&got_attributes), type);
TEST_EQUAL(psa_get_key_bits(&got_attributes), bits);
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
if (type == PSA_KEY_TYPE_RSA_KEY_PAIR) {
TEST_ASSERT(rsa_test_e(key, bits, params_data));
}
#endif
/* Do something with the key according to its type and permitted usage. */
if (!mbedtls_test_psa_exercise_key(key, usage, alg)) {
goto exit;
}
exit:
/*
* Key attributes may have been returned by psa_get_key_attributes()
* thus reset them as required.
*/
psa_reset_key_attributes(&got_attributes);
mbedtls_free(params);
psa_destroy_key(key);
PSA_DONE();
}
/* END_CASE */
/* BEGIN_CASE */
void key_production_parameters_init()
{
psa_key_production_parameters_t init = PSA_KEY_PRODUCTION_PARAMETERS_INIT;
psa_key_production_parameters_t zero;
memset(&zero, 0, sizeof(zero));
TEST_EQUAL(init.flags, 0);
TEST_EQUAL(zero.flags, 0);
}
/* END_CASE */