mbedtls_psa_cipher_decrypt_setup() function

Set the key for a multipart symmetric decryption operation.

Syntax

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Summary

Declaration

Definition

from psa_crypto_cipher.h:108

psa_status_t mbedtls_psa_cipher_decrypt_setup( mbedtls_psa_cipher_operation_t *operation, const psa_key_attributes_t *attributes, const uint8_t *key_buffer, size_t key_buffer_size, psa_algorithm_t alg);

Implemented in psa_crypto_cipher.c:371

Arguments

Argument

Declared as

Description

operation

mbedtls_psa_cipher_operation_t *

The operation object to set up. It has been initialized as per the documentation for #psa_cipher_operation_t and not yet in use.

attributes

const psa_key_attributes_t *

The attributes of the key to use for the operation.

key_buffer

const uint8_t *

The buffer containing the key context.

key_buffer_size

size_t

Size of the \p key_buffer buffer in bytes.

alg

psa_algorithm_t

The cipher algorithm to compute (\c PSA_ALG_XXX value such that #PSA_ALG_IS_CIPHER(\p alg) is true).

Return value

#PSA_SUCCESS \emptydescription #PSA_ERROR_NOT_SUPPORTED \emptydescription #PSA_ERROR_INSUFFICIENT_MEMORY \emptydescription #PSA_ERROR_CORRUPTION_DETECTED \emptydescription

Notes

The signature of this function is that of a PSA driver cipher_decrypt_setup entry point. This function behaves as a cipher_decrypt_setup entry point as defined in the PSA driver interface specification for transparent drivers.