otPlatCryptoExportKey() function

Export a key stored in PSA ITS.

Syntax

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Summary

Declaration

otError otPlatCryptoExportKey(otCryptoKeyRef aKeyRef, uint8_t *aBuffer, size_t aBufferLen, size_t *aKeyLen);

Argument

Description

aKeyRef

The key ref to be used for crypto operations.

aBuffer

Pointer to the buffer where key needs to be exported.

aBufferLen

Length of the buffer passed to store the exported key.

aKeyLen

Pointer to return the length of the exported key.

OT_ERROR_NONE Successfully exported @p aKeyRef. OT_ERROR_FAILED Failed to export @p aKeyRef. OT_ERROR_INVALID_ARGS @p aBuffer was NULL

This API is only used by OT core when `OPENTHREAD_CONFIG_PLATFORM_KEY_REFERENCES_ENABLE` is enabled.

Code

Location

otError otPlatCryptoExportKey(otCryptoKeyRef aKeyRef, uint8_t *aBuffer, size_t aBufferLen, size_t *aKeyLen);