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Ignore domain parameters in RSA key generation

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Remove the ability to select a custom public exponent via domain parameters
in RSA key generation. The only way to select a custom public exponent is
now to pass custom production parameters to psa_generate_key_ext().

A subsequent commit will remove domain parameters altogether from the API,
thus this commit does not bother to update the documentation.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2024-02-16 00:11:09 +01:00
parent 6a2c400b8c
commit 4c32b69f37
6 changed files with 23 additions and 116 deletions
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5
library/psa_crypto.c
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@ -7576,11 +7576,8 @@ psa_status_t psa_generate_key_internal(
* 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,
params, params_data_length,
key_buffer,
key_buffer_size,
key_buffer_length);