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psa: Call cipher operations software implementations as a driver

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Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2020-12-15 14:10:01 +01:00
parent 6056fe8a81
commit dd24c9bbd9
2 changed files with 63 additions and 116 deletions
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44
library/psa_crypto.c
View file

@ -3488,20 +3488,10 @@ psa_status_t psa_cipher_generate_iv( psa_cipher_operation_t *operation,
return( PSA_ERROR_BAD_STATE ); return( PSA_ERROR_BAD_STATE );
} }
if( operation->mbedtls_in_use == 0 )
{
status = psa_driver_wrapper_cipher_generate_iv( operation, status = psa_driver_wrapper_cipher_generate_iv( operation,
iv, iv,
iv_size, iv_size,
iv_length ); iv_length );
}
else
{
status = mbedtls_psa_cipher_generate_iv( operation,
iv,
iv_size,
iv_length );
}
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
operation->iv_set = 1; operation->iv_set = 1;
@ -3527,16 +3517,9 @@ psa_status_t psa_cipher_set_iv( psa_cipher_operation_t *operation,
return( PSA_ERROR_BAD_STATE ); return( PSA_ERROR_BAD_STATE );
} }
if( operation->mbedtls_in_use == 0 )
{
status = psa_driver_wrapper_cipher_set_iv( operation, status = psa_driver_wrapper_cipher_set_iv( operation,
iv, iv,
iv_length ); iv_length );
}
else
{
status = mbedtls_psa_cipher_set_iv( operation, iv, iv_length );
}
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
operation->iv_set = 1; operation->iv_set = 1;
@ -3563,25 +3546,12 @@ psa_status_t psa_cipher_update( psa_cipher_operation_t *operation,
return( PSA_ERROR_BAD_STATE ); return( PSA_ERROR_BAD_STATE );
} }
if( operation->mbedtls_in_use == 0 )
{
status = psa_driver_wrapper_cipher_update( operation, status = psa_driver_wrapper_cipher_update( operation,
input, input,
input_length, input_length,
output, output,
output_size, output_size,
output_length ); output_length );
}
else
{
status = mbedtls_psa_cipher_update( operation,
input,
input_length,
output,
output_size,
output_length );
}
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
psa_cipher_abort( operation ); psa_cipher_abort( operation );
@ -3604,21 +3574,10 @@ psa_status_t psa_cipher_finish( psa_cipher_operation_t *operation,
return( PSA_ERROR_BAD_STATE ); return( PSA_ERROR_BAD_STATE );
} }
if( operation->mbedtls_in_use == 0 )
{
status = psa_driver_wrapper_cipher_finish( operation, status = psa_driver_wrapper_cipher_finish( operation,
output, output,
output_size, output_size,
output_length ); output_length );
}
else
{
status = mbedtls_psa_cipher_finish( operation,
output,
output_size,
output_length );
}
if( status == PSA_SUCCESS ) if( status == PSA_SUCCESS )
return( psa_cipher_abort( operation ) ); return( psa_cipher_abort( operation ) );
else else
@ -3645,10 +3604,7 @@ psa_status_t psa_cipher_abort( psa_cipher_operation_t *operation )
if( ! PSA_ALG_IS_CIPHER( operation->alg ) ) if( ! PSA_ALG_IS_CIPHER( operation->alg ) )
return( PSA_ERROR_BAD_STATE ); return( PSA_ERROR_BAD_STATE );
if( operation->mbedtls_in_use == 0 )
psa_driver_wrapper_cipher_abort( operation ); psa_driver_wrapper_cipher_abort( operation );
else
mbedtls_psa_cipher_abort( operation );
operation->alg = 0; operation->alg = 0;
operation->key_set = 0; operation->key_set = 0;

99
library/psa_crypto_driver_wrappers.c
View file

@ -895,7 +895,13 @@ psa_status_t psa_driver_wrapper_cipher_generate_iv(
size_t iv_size, size_t iv_size,
size_t *iv_length ) size_t *iv_length )
{ {
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) if( operation->mbedtls_in_use )
return( mbedtls_psa_cipher_generate_iv( operation,
iv,
iv_size,
iv_length ) );
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
switch( operation->ctx.driver.id ) switch( operation->ctx.driver.id )
{ {
#if defined(PSA_CRYPTO_DRIVER_TEST) #if defined(PSA_CRYPTO_DRIVER_TEST)
@ -906,6 +912,7 @@ psa_status_t psa_driver_wrapper_cipher_generate_iv(
iv_size, iv_size,
iv_length ) ); iv_length ) );
#endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_DRIVER_TEST */
#if defined(PSA_CRYPTO_DRIVER_TEST) #if defined(PSA_CRYPTO_DRIVER_TEST)
case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID: case PSA_CRYPTO_OPAQUE_TEST_DRIVER_ID:
return( test_opaque_cipher_generate_iv( return( test_opaque_cipher_generate_iv(
@ -914,18 +921,10 @@ psa_status_t psa_driver_wrapper_cipher_generate_iv(
iv_size, iv_size,
iv_length ) ); iv_length ) );
#endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_DRIVER_TEST */
default:
/* Key is attached to a driver not known to us */
return( PSA_ERROR_INVALID_ARGUMENT );
} }
#else /* PSA_CRYPTO_DRIVER_PRESENT */ #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
(void) operation;
(void) iv;
(void) iv_size;
(void) iv_length;
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_INVALID_ARGUMENT );
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
} }
psa_status_t psa_driver_wrapper_cipher_set_iv( psa_status_t psa_driver_wrapper_cipher_set_iv(
@ -933,7 +932,12 @@ psa_status_t psa_driver_wrapper_cipher_set_iv(
const uint8_t *iv, const uint8_t *iv,
size_t iv_length ) size_t iv_length )
{ {
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) if( operation->mbedtls_in_use )
return( mbedtls_psa_cipher_set_iv( operation,
iv,
iv_length ) );
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
switch( operation->ctx.driver.id ) switch( operation->ctx.driver.id )
{ {
#if defined(PSA_CRYPTO_DRIVER_TEST) #if defined(PSA_CRYPTO_DRIVER_TEST)
@ -948,17 +952,10 @@ psa_status_t psa_driver_wrapper_cipher_set_iv(
iv, iv,
iv_length ) ); iv_length ) );
#endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_DRIVER_TEST */
default:
/* Key is attached to a driver not known to us */
return( PSA_ERROR_INVALID_ARGUMENT );
} }
#else /* PSA_CRYPTO_DRIVER_PRESENT */ #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
(void) operation;
(void) iv;
(void) iv_length;
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_INVALID_ARGUMENT );
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
} }
psa_status_t psa_driver_wrapper_cipher_update( psa_status_t psa_driver_wrapper_cipher_update(
@ -969,7 +966,15 @@ psa_status_t psa_driver_wrapper_cipher_update(
size_t output_size, size_t output_size,
size_t *output_length ) size_t *output_length )
{ {
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) if( operation->mbedtls_in_use )
return( mbedtls_psa_cipher_update( operation,
input,
input_length,
output,
output_size,
output_length ) );
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
switch( operation->ctx.driver.id ) switch( operation->ctx.driver.id )
{ {
#if defined(PSA_CRYPTO_DRIVER_TEST) #if defined(PSA_CRYPTO_DRIVER_TEST)
@ -990,20 +995,10 @@ psa_status_t psa_driver_wrapper_cipher_update(
output_size, output_size,
output_length ) ); output_length ) );
#endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_DRIVER_TEST */
default:
/* Key is attached to a driver not known to us */
return( PSA_ERROR_INVALID_ARGUMENT );
} }
#else /* PSA_CRYPTO_DRIVER_PRESENT */ #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
(void) operation;
(void) input;
(void) input_length;
(void) output;
(void) output_length;
(void) output_size;
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_INVALID_ARGUMENT );
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
} }
psa_status_t psa_driver_wrapper_cipher_finish( psa_status_t psa_driver_wrapper_cipher_finish(
@ -1012,7 +1007,13 @@ psa_status_t psa_driver_wrapper_cipher_finish(
size_t output_size, size_t output_size,
size_t *output_length ) size_t *output_length )
{ {
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) if( operation->mbedtls_in_use )
return( mbedtls_psa_cipher_finish( operation,
output,
output_size,
output_length ) );
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
switch( operation->ctx.driver.id ) switch( operation->ctx.driver.id )
{ {
#if defined(PSA_CRYPTO_DRIVER_TEST) #if defined(PSA_CRYPTO_DRIVER_TEST)
@ -1029,25 +1030,20 @@ psa_status_t psa_driver_wrapper_cipher_finish(
output_size, output_size,
output_length ) ); output_length ) );
#endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_DRIVER_TEST */
default:
/* Key is attached to a driver not known to us */
return( PSA_ERROR_INVALID_ARGUMENT );
} }
#else /* PSA_CRYPTO_DRIVER_PRESENT */ #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
(void) operation;
(void) output;
(void) output_size;
(void) output_length;
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_INVALID_ARGUMENT );
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
} }
psa_status_t psa_driver_wrapper_cipher_abort( psa_status_t psa_driver_wrapper_cipher_abort(
psa_cipher_operation_t *operation ) psa_cipher_operation_t *operation )
{ {
#if defined(PSA_CRYPTO_DRIVER_PRESENT) && defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT) if( operation->mbedtls_in_use )
psa_status_t status = PSA_ERROR_INVALID_ARGUMENT; return( mbedtls_psa_cipher_abort( operation ) );
#if defined(PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT)
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_operation_driver_context_t *driver_context = &operation->ctx.driver; psa_operation_driver_context_t *driver_context = &operation->ctx.driver;
/* The object has (apparently) been initialized but it is not in use. It's /* The object has (apparently) been initialized but it is not in use. It's
@ -1081,15 +1077,10 @@ psa_status_t psa_driver_wrapper_cipher_abort(
return( status ); return( status );
#endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_DRIVER_TEST */
default:
/* Operation is attached to a driver not known to us */
return( PSA_ERROR_INVALID_ARGUMENT );
} }
#else /* PSA_CRYPTO_DRIVER_PRESENT */ #endif /* PSA_CRYPTO_ACCELERATOR_DRIVER_PRESENT */
(void)operation;
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_INVALID_ARGUMENT );
#endif /* PSA_CRYPTO_DRIVER_PRESENT */
} }
/* /*