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Integrate p256-m as an example driver alongside Mbed TLS and write documentation for the example.

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(Reapplying changes as one commit on top of development post codestyle change instead of rewriting old branch)

Signed-off-by: Aditya Deshpande <aditya.deshpande@arm.com>
This commit is contained in:
Aditya Deshpande
2023-01-12 16:29:02 +00:00
parent 14d6b1124b
commit e41f7e457f
12 changed files with 2284 additions and 0 deletions
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72
scripts/data_files/driver_templates/psa_crypto_driver_wrappers.c.jinja
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@ -316,6 +316,26 @@ psa_status_t psa_driver_wrapper_sign_hash(
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#if defined (MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED)
if( PSA_KEY_TYPE_IS_ECC( attributes->core.type ) &&
PSA_ALG_IS_ECDSA(alg) &&
!PSA_ALG_ECDSA_IS_DETERMINISTIC( alg ) &&
PSA_KEY_TYPE_ECC_GET_FAMILY(attributes->core.type) == PSA_ECC_FAMILY_SECP_R1 &&
attributes->core.bits == 256 )
{
status = p256m_transparent_sign_hash( attributes,
key_buffer,
key_buffer_size,
alg,
hash,
hash_length,
signature,
signature_size,
signature_length );
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
}
#endif /* MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
/* Fell through, meaning no accelerator supports this operation */
return( psa_sign_hash_builtin( attributes,
@ -400,6 +420,25 @@ psa_status_t psa_driver_wrapper_verify_hash(
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#if defined (MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED)
if( PSA_KEY_TYPE_IS_ECC( attributes->core.type ) &&
PSA_ALG_IS_ECDSA(alg) &&
!PSA_ALG_ECDSA_IS_DETERMINISTIC( alg ) &&
PSA_KEY_TYPE_ECC_GET_FAMILY(attributes->core.type) == PSA_ECC_FAMILY_SECP_R1 &&
attributes->core.bits == 256 )
{
status = p256m_transparent_verify_hash( attributes,
key_buffer,
key_buffer_size,
alg,
hash,
hash_length,
signature,
signature_length );
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
}
#endif /* MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
return( psa_verify_hash_builtin( attributes,
@ -814,6 +853,20 @@ psa_status_t psa_driver_wrapper_generate_key(
if( status != PSA_ERROR_NOT_SUPPORTED )
break;
#endif /* PSA_CRYPTO_DRIVER_TEST */
#if defined(MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED)
if( PSA_KEY_TYPE_IS_ECC( attributes->core.type ) &&
attributes->core.type == PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1) &&
attributes->core.bits == 256 )
{
status = p256m_transparent_generate_key( attributes,
key_buffer,
key_buffer_size,
key_buffer_length );
if( status != PSA_ERROR_NOT_SUPPORTED )
break;
}
#endif /* MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED */
}
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
@ -2752,6 +2805,25 @@ psa_status_t psa_driver_wrapper_key_agreement(
if( status != PSA_ERROR_NOT_SUPPORTED )
return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */
#if defined(MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED)
if( PSA_KEY_TYPE_IS_ECC( attributes->core.type ) &&
PSA_ALG_IS_ECDH(alg) &&
PSA_KEY_TYPE_ECC_GET_FAMILY(attributes->core.type) == PSA_ECC_FAMILY_SECP_R1 &&
attributes->core.bits == 256 )
{
status = p256m_transparent_key_agreement( attributes,
key_buffer,
key_buffer_size,
alg,
peer_key,
peer_key_length,
shared_secret,
shared_secret_size,
shared_secret_length );
if( status != PSA_ERROR_NOT_SUPPORTED)
return( status );
}
#endif /* MBEDTLS_P256M_EXAMPLE_DRIVER_ENABLED */
#endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
/* Software Fallback */