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.Passwords are encoded using UTF-8 when provided as char[]. Encoded passwords longer than 72 bytes are truncated and all remaining bytes are ignored.
-
-
Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static boolean
checkPassword(java.lang.String bcryptString, byte[] password)
Checks if a password corresponds to a 60 character Bcrypt Stringstatic boolean
checkPassword(java.lang.String bcryptString, char[] password)
Checks if a password corresponds to a 60 character Bcrypt Stringstatic java.lang.String
generate(byte[] password, byte[] salt, int cost)
Creates a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$' using version '2y'.static java.lang.String
generate(char[] password, byte[] salt, int cost)
Creates a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$' using version '2y'.static java.lang.String
generate(java.lang.String version, byte[] password, byte[] salt, int cost)
Creates a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$'static java.lang.String
generate(java.lang.String version, char[] password, byte[] salt, int cost)
Creates a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$'
-
-
-
Method Detail
-
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 '$' using version '2y'.- Parameters:
cost
- the cost factor, treated as an exponent of 2salt
- a 16 byte saltpassword
- the password- Returns:
- a 60 character Bcrypt String
-
generate
public static java.lang.String generate(byte[] password, byte[] salt, int cost)
Creates a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$' 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 '$'- Parameters:
version
- the version, may be 2b, 2y or 2a. (2a is not backwards compatible.)cost
- the cost factor, treated as an exponent of 2salt
- a 16 byte saltpassword
- the password- Returns:
- a 60 character Bcrypt String
-
generate
public static java.lang.String generate(java.lang.String version, byte[] password, byte[] salt, int cost)
Creates a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$'- 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 already encoded as a byte array.- 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 '$'password
- the password as an array of chars- Returns:
- true if the password corresponds to the Bcrypt String, otherwise false
-
checkPassword
public static boolean checkPassword(java.lang.String bcryptString, byte[] password)
Checks if a password corresponds to a 60 character Bcrypt String- Parameters:
bcryptString
- a 60 character Bcrypt String, including version, cost factor, salt and hash, separated by '$'password
- the password as an array of bytes- Returns:
- true if the password corresponds to the Bcrypt String, otherwise false
-
-