otPlatCryptoHmacSha256Finish() function
Complete the HMAC operation.
Arguments
aContext
Context for HMAC operation.
aBuf
A pointer to the output buffer.
aBufLength
The length of @p aBuf in bytes.
Return value
OT_ERROR_NONE Successfully completed HMAC operation. OT_ERROR_FAILED Failed to complete HMAC operation. OT_ERROR_INVALID_ARGS @p aContext or @p aBuf was NULL