de.innovationgate.utils.security

Class HashedPassword

java.lang.Object

de.innovationgate.utils.security.HashedPassword

public class HashedPassword
extends java.lang.Object

Tool class to created hashed passwords based on an determinable hashing scheme

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	FALLBACK_SCHEME
static java.util.regex.Pattern	HASH_PLUS_SCHEME_PATTERN

Constructor Summary

Constructors

Constructor and Description
HashedPassword(java.lang.String pwd) Reads a stored password hash which may also contain a scheme prefix and divides the hash from the scheme name
HashedPassword(java.lang.String hash, java.lang.String scheme) Default constructor

Method Summary

Methods

Modifier and Type	Method and Description
boolean	check(java.lang.String pwd, ModuleRegistry reg) Checks a given plaintext password for equality to the hash.
static HashedPassword	create(java.lang.String pwd, HashingService scheme, java.lang.Object salt) Creates a password hash from the given password, using the given scheme
static HashingService	fetchScheme(ModuleRegistry reg, java.lang.String schemeName)
java.lang.String	getHash()
java.lang.String	getSchemeName()
void	setHash(java.lang.String hash)
void	setSchemeName(java.lang.String schemeName)
java.lang.String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

FALLBACK_SCHEME

public static final java.lang.String FALLBACK_SCHEME

See Also:

Constant Field Values

HASH_PLUS_SCHEME_PATTERN

public static final java.util.regex.Pattern HASH_PLUS_SCHEME_PATTERN

Constructor Detail

HashedPassword

public HashedPassword(java.lang.String pwd)

Reads a stored password hash which may also contain a scheme prefix and divides the hash from the scheme name

Parameters:

pwd - The stored hash

HashedPassword

public HashedPassword(java.lang.String hash,
              java.lang.String scheme)

Default constructor

Parameters:

hash -

scheme -

Method Detail

fetchScheme

public static HashingService fetchScheme(ModuleRegistry reg,
                         java.lang.String schemeName)
                                  throws HashingException,
                                         ModuleInstantiationException

Throws:

HashingException

ModuleInstantiationException

create

public static HashedPassword create(java.lang.String pwd,
                    HashingService scheme,
                    java.lang.Object salt)
                             throws HashingException

Creates a password hash from the given password, using the given scheme

Parameters:

pwd - The password in plaintext

scheme - The name of the hashing scheme

Returns:

The module registry used to fetch the hashing scheme

Throws:

HashingException

getSchemeName

public java.lang.String getSchemeName()

setSchemeName

public void setSchemeName(java.lang.String schemeName)

getHash

public java.lang.String getHash()

setHash

public void setHash(java.lang.String hash)

check

public boolean check(java.lang.String pwd,
            ModuleRegistry reg)
              throws HashingException

Checks a given plaintext password for equality to the hash. The registry is given for retrieval of the correct hashing scheem

Parameters:

pwd - The password in plaintext

reg - The module registry

Returns:

true if the given password equals the password which was used to build the hash

Throws:

HashingException

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object