HashingService (seed-specs 3.10.0 API)

```
public interface HashingService
```
Support for creating a hash and validating passwords. When creating a hash from a string or char[], a random salt will be generated and given with the hash through a Hash object.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Hash`	`createHash(char[] toHash)`	Creates a hash from a char[].
`Hash`	`createHash(String toHash)`	Creates a hash from a string.
`boolean`	`validatePassword(char[] password, Hash correctHash)`	Validates a password using a hash.
`boolean`	`validatePassword(String password, Hash correctHash)`	Validates a password using a hash.

- Method Detail
  - createHash
```
Hash createHash(String toHash)
```
    Creates a hash from a string.
    
    Parameters:
    
    toHash - the String to hash.
    
    Returns:
    
    a Hash giving the hash of the String and the Salt used.
  - createHash
```
Hash createHash(char[] toHash)
```
    Creates a hash from a char[]. This method can be convenient as passwords are often represented in java as char[].
    
    Parameters:
    
    toHash - the char[] to hash.
    
    Returns:
    
    a Hash giving the hash of the char[] and the Salt used.
  - validatePassword
```
boolean validatePassword(char[] password,
                         Hash correctHash)
```
    Validates a password using a hash.
    
    Parameters:
    
    password - the password to check.
    
    correctHash - the hash of the valid password.
    
    Returns:
    
    true if the password is correct, false if not.
  - validatePassword
```
boolean validatePassword(String password,
                         Hash correctHash)
```
    Validates a password using a hash.
    
    Parameters:
    
    password - the password to check.
    
    correctHash - the hash of the valid password.
    
    Returns:
    
    true if the password is correct, false if not.