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psa: cipher: Remove cipher_generate_iv driver entry point

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Remove cipher_generate_iv driver entry point as there
is no known use case to delegate this to a driver.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron
2021-03-26 09:52:26 +01:00
parent a0d6817838
commit 5618a39fcf
8 changed files with 23 additions and 149 deletions
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30
library/psa_crypto_cipher.h
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@@ -100,32 +100,6 @@ psa_status_t mbedtls_psa_cipher_decrypt_setup(
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg );
/** Generate an IV for a symmetric encryption operation.
*
* This function generates a random IV (initialization vector), nonce
* or initial counter value for the encryption operation as appropriate
* for the chosen algorithm, key type and key size.
*
* \note The signature of this function is that of a PSA driver
* cipher_generate_iv entry point. This function behaves as a
* cipher_generate_iv entry point as defined in the PSA driver
* interface specification for transparent drivers.
*
* \param[in,out] operation Active cipher operation.
* \param[out] iv Buffer where the generated IV is to be written.
* \param[in] iv_size Size of the \p iv buffer in bytes.
* \param[out] iv_length On success, the number of bytes of the
* generated IV.
*
* \retval #PSA_SUCCESS
* \retval #PSA_ERROR_BUFFER_TOO_SMALL
* The size of the \p iv buffer is too small.
* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
*/
psa_status_t mbedtls_psa_cipher_generate_iv(
mbedtls_psa_cipher_operation_t *operation,
uint8_t *iv, size_t iv_size, size_t *iv_length );
/** Set the IV for a symmetric encryption or decryption operation.
*
* This function sets the IV (initialization vector), nonce
@@ -242,10 +216,6 @@ psa_status_t mbedtls_transparent_test_driver_cipher_decrypt_setup(
const uint8_t *key_buffer, size_t key_buffer_size,
psa_algorithm_t alg );
psa_status_t mbedtls_transparent_test_driver_cipher_generate_iv(
mbedtls_psa_cipher_operation_t *operation,
uint8_t *iv, size_t iv_size, size_t *iv_length );
psa_status_t mbedtls_transparent_test_driver_cipher_set_iv(
mbedtls_psa_cipher_operation_t *operation,
const uint8_t *iv, size_t iv_length );