cn.elegent.security.common.util

类 BCrypt

java.lang.Object

cn.elegent.security.common.util.BCrypt

public class BCrypt
extends Object

构造器概要

构造器

构造器和说明
BCrypt()

方法概要

限定符和类型	方法和说明
static boolean	checkpw(byte[] passwordb, String hashed) Check that a password (as a byte array) matches a previously hashed one param passwordb the password to verify, as a byte array param hashed the previously-hashed password return true if the passwords match, false otherwise
static boolean	checkpw(String plaintext, String hashed) Check that a plaintext password matches a previously hashed one param plaintext the plaintext password to verify param hashed the previously-hashed password return true if the passwords match, false otherwise
static String	gensalt() Generate a salt for use with the BCrypt.hashpw() method, selecting a reasonable default for the number of hashing rounds to apply return an encoded salt value
static String	gensalt(int log_rounds) Generate a salt for use with the BCrypt.hashpw() method param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds.
static String	gensalt(int log_rounds, SecureRandom random) Generate a salt for use with the BCrypt.hashpw() method param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds.
static String	gensalt(String prefix)
static String	gensalt(String prefix, int log_rounds) Generate a salt for use with the BCrypt.hashpw() method param prefix the prefix value (default $2a) param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds.
static String	gensalt(String prefix, int log_rounds, SecureRandom random) Generate a salt for use with the BCrypt.hashpw() method param prefix the prefix value (default $2a) param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds.
static String	hashpw(byte[] passwordb, String salt) Hash a password using the OpenBSD bcrypt scheme param passwordb the password to hash, as a byte array param salt the salt to hash with (perhaps generated using BCrypt.gensalt) return the hashed password
static String	hashpw(String password, String salt) Hash a password using the OpenBSD bcrypt scheme param password the password to hash param salt the salt to hash with (perhaps generated using BCrypt.gensalt) return the hashed password

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

BCrypt

public BCrypt()

方法详细资料

hashpw

public static String hashpw(String password,
                            String salt)

Hash a password using the OpenBSD bcrypt scheme param password the password to hash param salt the salt to hash with (perhaps generated using BCrypt.gensalt) return the hashed password

hashpw

public static String hashpw(byte[] passwordb,
                            String salt)

Hash a password using the OpenBSD bcrypt scheme param passwordb the password to hash, as a byte array param salt the salt to hash with (perhaps generated using BCrypt.gensalt) return the hashed password

gensalt

public static String gensalt(String prefix,
                             int log_rounds,
                             SecureRandom random)
                      throws IllegalArgumentException

Generate a salt for use with the BCrypt.hashpw() method param prefix the prefix value (default $2a) param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds. param random an instance of SecureRandom to use return an encoded salt value

抛出:

IllegalArgumentException - if prefix or log_rounds is invalid

gensalt

public static String gensalt(String prefix,
                             int log_rounds)
                      throws IllegalArgumentException

Generate a salt for use with the BCrypt.hashpw() method param prefix the prefix value (default $2a) param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds. return an encoded salt value

抛出:

IllegalArgumentException - if prefix or log_rounds is invalid

gensalt

public static String gensalt(int log_rounds,
                             SecureRandom random)
                      throws IllegalArgumentException

Generate a salt for use with the BCrypt.hashpw() method param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds. param random an instance of SecureRandom to use return an encoded salt value

抛出:

IllegalArgumentException - if log_rounds is invalid

gensalt

public static String gensalt(int log_rounds)
                      throws IllegalArgumentException

Generate a salt for use with the BCrypt.hashpw() method param log_rounds the log2 of the number of rounds of hashing to apply - the work factor therefore increases as 2**log_rounds. return an encoded salt value

抛出:

IllegalArgumentException - if log_rounds is invalid

gensalt

public static String gensalt(String prefix)

gensalt

public static String gensalt()

Generate a salt for use with the BCrypt.hashpw() method, selecting a reasonable default for the number of hashing rounds to apply return an encoded salt value

checkpw

public static boolean checkpw(String plaintext,
                              String hashed)

Check that a plaintext password matches a previously hashed one param plaintext the plaintext password to verify param hashed the previously-hashed password return true if the passwords match, false otherwise

checkpw

public static boolean checkpw(byte[] passwordb,
                              String hashed)

Check that a password (as a byte array) matches a previously hashed one param passwordb the password to verify, as a byte array param hashed the previously-hashed password return true if the passwords match, false otherwise

从以下版本开始:

5.3