openthread_sys

Function otPlatCryptoHkdfExpand

Source 
pub unsafe extern "C" fn otPlatCryptoHkdfExpand(
    aContext: *mut otCryptoContext,
    aInfo: *const u8,
    aInfoLength: u16,
    aOutputKey: *mut u8,
    aOutputKeyLength: u16,
) -> otError
Expand description

Perform HKDF Expand step.

@param[in] aContext Operation context for HKDF operation. @param[in] aInfo Pointer to the Info sequence. @param[in] aInfoLength Length of the Info sequence. @param[out] aOutputKey Pointer to the output Key. @param[in] aOutputKeyLength Size of the output key buffer.

@retval OT_ERROR_NONE HKDF Expand was successful. @retval OT_ERROR_FAILED HKDF Expand failed. @retval OT_ERROR_INVALID_ARGS @p aContext was NULL