org.bouncycastle.crypto.generators
Class OpenBSDBCrypt
java.lang.Object
|
+--org.bouncycastle.crypto.generators.OpenBSDBCrypt
- public class OpenBSDBCrypt
- extends java.lang.Object
Password hashing scheme BCrypt,
designed by Niels Provos and David Mazières, using the
String format and the Base64 encoding
of the reference implementation on OpenBSD
Method Summary |
static boolean |
checkPassword(java.lang.String bcryptString,
char[] password)
Checks if a password corresponds to a 60 character Bcrypt String |
static java.lang.String |
generate(char[] password,
byte[] salt,
int cost)
Creates a 60 character Bcrypt String, including
version, cost factor, salt and hash, separated by '$' using version
'2y'. |
static java.lang.String |
generate(java.lang.String version,
char[] password,
byte[] salt,
int cost)
Creates a 60 character Bcrypt String, including
version, cost factor, salt and hash, separated by '$' |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
OpenBSDBCrypt
public OpenBSDBCrypt()
generate
public static java.lang.String generate(char[] password,
byte[] salt,
int cost)
- Creates a 60 character Bcrypt String, including
version, cost factor, salt and hash, separated by '$' using version
'2y'.
- Parameters:
cost
- the cost factor, treated as an exponent of 2salt
- a 16 byte saltpassword
- the password- Returns:
- a 60 character Bcrypt String
generate
public static java.lang.String generate(java.lang.String version,
char[] password,
byte[] salt,
int cost)
- Creates a 60 character Bcrypt String, including
version, cost factor, salt and hash, separated by '$'
- Parameters:
version
- the version, may be 2b, 2y or 2a. (2a is not backwards compatible.)cost
- the cost factor, treated as an exponent of 2salt
- a 16 byte saltpassword
- the password- Returns:
- a 60 character Bcrypt String
checkPassword
public static boolean checkPassword(java.lang.String bcryptString,
char[] password)
- Checks if a password corresponds to a 60 character Bcrypt String
- Parameters:
bcryptString
- a 60 character Bcrypt String, including
version, cost factor, salt and hash,
separated by '$'password
- the password as an array of chars- Returns:
- true if the password corresponds to the
Bcrypt String, otherwise false