Checksum Functions
- Yeok Hong Ng
Use the functions described below to generates a checksum for a supplied argument.
The following functions for Checksum described here are:
cksumReset
Resets the cksum info and prepare to start new cksum calculation.
void cksumReset()cksumUpdate
Updates the cksum using the specified array of bytes.
void cksumUpdate( bytearray data )Parameter | Description |
|---|---|
| Any bytearray |
Returns | Nothing |
cksumResult
Gets the result of cksum (using all data that has been entered into cksumUpdate). Returns an unsigned 32 bit integer (as a long).
long cksumResult()cksumLength
Gets the total length of all data that has been entered into cksumUpdate.
cksum Example
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Example - cksum
Simple APL code (Disk_1 is the input agent in the workflow)
crc32
Function that computes the CRC-32 of supplied argument.
Parameter | Description |
|---|---|
| The argument used to compute the CRC-32. Supported types are string, bytearray and number types. |
Returns | The CRC-32 value |