org.seedstack.seed.crypto

Interface HashingService

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

Modifier and Type	Method and 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.