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Merge pull request #5292 from mprse/asym_encrypt

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Driver dispatch for PSA asymmetric encryption + RSA tests
This commit is contained in:
Gilles Peskine
2022-03-10 20:07:38 +01:00
committed by GitHub
parent 10e5cdbbbf f8614a0ec2
commit afb482897b
10 changed files with 1544 additions and 251 deletions
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120
scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
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@ -26,6 +26,7 @@
#include "psa_crypto_driver_wrappers.h"
#include "psa_crypto_hash.h"
#include "psa_crypto_mac.h"
#include "psa_crypto_rsa.h"
#include "mbedtls/platform.h"
@ -2348,4 +2349,123 @@ psa_status_t psa_driver_wrapper_mac_abort(
}
}
/*
* Asymmetric cryptography
*/
psa_status_t psa_driver_wrapper_asymmetric_encrypt(
const psa_key_attributes_t *attributes, const uint8_t *key_buffer,
size_t key_buffer_size, psa_algorithm_t alg, const uint8_t *input,
size_t input_length, const uint8_t *salt, size_t salt_length,
uint8_t *output, size_t output_size, size_t *output_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_location_t location =
PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
switch( location )
{
case PSA_KEY_LOCATION_LOCAL_STORAGE:
/* Key is stored in the slot in export representation, so
* cycle through all known transparent accelerators */
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
#if defined(PSA_CRYPTO_DRIVER_TEST)
status = mbedtls_test_transparent_asymmetric_encrypt( attributes,
key_buffer, key_buffer_size, alg, input, input_length,
salt, salt_length, output, output_size,
output_length );
/* Declared with fallback == true */
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
return( mbedtls_psa_asymmetric_encrypt( attributes,
key_buffer, key_buffer_size, alg, input, input_length,
salt, salt_length, output, output_size, output_length )
);
/* Add cases for opaque driver here */
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
#if defined(PSA_CRYPTO_DRIVER_TEST)
case PSA_CRYPTO_TEST_DRIVER_LOCATION:
return( mbedtls_test_opaque_asymmetric_encrypt( attributes,
key_buffer, key_buffer_size, alg, input, input_length,
salt, salt_length, output, output_size, output_length )
);
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
default:
/* Key is declared with a lifetime not known to us */
(void)status;
(void)key_buffer;
(void)key_buffer_size;
(void)alg;
(void)input;
(void)input_length;
(void)salt;
(void)salt_length;
(void)output;
(void)output_size;
(void)output_length;
return( PSA_ERROR_INVALID_ARGUMENT );
}
}
psa_status_t psa_driver_wrapper_asymmetric_decrypt(
const psa_key_attributes_t *attributes, const uint8_t *key_buffer,
size_t key_buffer_size, psa_algorithm_t alg, const uint8_t *input,
size_t input_length, const uint8_t *salt, size_t salt_length,
uint8_t *output, size_t output_size, size_t *output_length )
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_location_t location =
PSA_KEY_LIFETIME_GET_LOCATION( attributes->core.lifetime );
switch( location )
{
case PSA_KEY_LOCATION_LOCAL_STORAGE:
/* Key is stored in the slot in export representation, so
* cycle through all known transparent accelerators */
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
#if defined(PSA_CRYPTO_DRIVER_TEST)
status = mbedtls_test_transparent_asymmetric_decrypt( attributes,
key_buffer, key_buffer_size, alg, input, input_length,
salt, salt_length, output, output_size,
output_length );
/* Declared with fallback == true */
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
return( mbedtls_psa_asymmetric_decrypt( attributes,
key_buffer, key_buffer_size, alg,input, input_length,
salt, salt_length, output, output_size,
output_length ) );
/* Add cases for opaque driver here */
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
#if defined(PSA_CRYPTO_DRIVER_TEST)
case PSA_CRYPTO_TEST_DRIVER_LOCATION:
return( mbedtls_test_opaque_asymmetric_decrypt( attributes,
key_buffer, key_buffer_size, alg, input, input_length,
salt, salt_length, output, output_size,
output_length ) );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
default:
/* Key is declared with a lifetime not known to us */
(void)status;
(void)key_buffer;
(void)key_buffer_size;
(void)alg;
(void)input;
(void)input_length;
(void)salt;
(void)salt_length;
(void)output;
(void)output_size;
(void)output_length;
return( PSA_ERROR_INVALID_ARGUMENT );
}
}
#endif /* MBEDTLS_PSA_CRYPTO_C */