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# Cryptographic and Security Functions
Sprig provides a couple of advanced cryptographic functions.
## sha1sum
The `sha1sum` function receives a string, and computes it's SHA1 digest.
```
sha1sum "Hello world!"
```
## sha256sum
The `sha256sum` function receives a string, and computes it's SHA256 digest.
```
sha256sum "Hello world!"
```
The above will compute the SHA 256 sum in an "ASCII armored" format that is
safe to print.
## adler32sum
The `adler32sum` function receives a string, and computes its Adler-32 checksum.
```
adler32sum "Hello world!"
```
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