# sha256

Get sha256 checksum.

## Syntax

* hexa\_hash = sha256(str)
* hexa\_hash = sha256(filename)
* hexa\_hash = sha256(str, '-file')
* hexa\_hash = sha256(str, '-string')

## Input argument

* str - a character vector, cell of string or array of strings: content of string will be hashed.
* filename - a string: existing filename: content of the file will be hashed.
* '-file' or '-string' - force to hash as file or string content.

## Output argument

* hexa\_hash - a character vector, cell of string or array of strings: hashed result (checksum).

## Description

sha256 get sha256 checksum.

## Examples

```matlab
R = sha256('Nelson')
```

```matlab
R = sha256({'Hello', 'World'})
```

```matlab
R = sha256(["Hello"; "World"])
```

```matlab
R = sha256([modulepath('matio', 'tests'), '/mat/test_char_array_unicode_7.4_GLNX86.mat'])
```

```matlab
R = sha256([modulepath('matio', 'tests'), '/mat/test_char_array_unicode_7.4_GLNX86.mat'], '-file')
```

```matlab
R = sha256([modulepath('matio', 'tests'), '/mat/test_char_array_unicode_7.4_GLNX86.mat'], '-string')
```

## History

| Version | Description     |
| ------- | --------------- |
| 1.0.0   | initial version |

## Author

Allan CORNET
