Module crc32

Index

Functions

Functions

checksum

checksum(data: any | Buffer, poly: number): number

Checksum returns the CRC-32 checksum of data using the polynomial represented by the Table.
example
```
import * as crc32 from 'crc32';

crc32.checksum(data,0xedb88320)
```
description

any | buffer.Buffer variable is any type or buffer.Buffer type
Parameters
- data: any | Buffer
  
  CRC-32 Checked data
- poly: number
  
  CRC-32 polynomial
Returns number

checksumCastagnoli

checksumCastagnoli(data: any | Buffer): number

checksumCastagnoli returns the CRC-32 checksum of data using the Castagnoli's polynomial.
example
```
import * as crc32 from 'crc32';

crc32.checksumCastagnoli(data)
```
description

any | buffer.Buffer variable is any type or buffer.Buffer type
Parameters
- data: any | Buffer
  
  CRC-32 Checked data
Returns number

checksumIEEE

checksumIEEE(data: any | Buffer): number

ChecksumIEEE returns the CRC-32 checksum of data using the IEEE polynomial.
example
```
import * as crc32 from 'crc32';

crc32.checksumIEEE(data)
```
description

any | buffer.Buffer variable is any type or buffer.Buffer type
Parameters
- data: any | Buffer
  
  CRC-32 Checked data
Returns number

checksumKoopman

checksumKoopman(data: any | Buffer): number

checksumKoopman returns the CRC-32 checksum of data using the Koopman's polynomial
example
```
import * as crc32 from 'crc32';

crc32.checksumKoopman(data)
```
description

any | buffer.Buffer variable is any type or buffer.Buffer type
Parameters
- data: any | Buffer
  
  CRC-32 Checked data
Returns number

checksumQ

checksumQ(data: any | Buffer): number

ChecksumIEEE returns the CRC-32 checksum of data using the 0xD5828281 polynomial.
example
```
import * as crc32 from 'crc32';

crc32.checksumQ(data)
```
description

any | buffer.Buffer variable is any type or buffer.Buffer type
Parameters
- data: any | Buffer
  
  CRC-32 Checked data
Returns number