PasswordManager (I2P Anonymous Network - Java Documentation

java.lang.Object
- net.i2p.util.PasswordManager

直系の既知のサブクラス:

RouterPasswordManager
```
public class PasswordManager
extends java.lang.Object
```
Manage both plaintext and salted/hashed password storage in router.config. There's no state here, so instantiate at will.

導入されたバージョン:

0.9.4

フィールドの概要

フィールド
修飾子とタイプ	フィールド	説明
`protected static java.lang.String`	`PROP_B64`	stored obfuscated as b64 of the UTF-8 bytes
`protected static java.lang.String`	`PROP_CRYPT`	stored as a Unix crypt string
`protected static java.lang.String`	`PROP_MD5`	stored as the hex of the MD5 hash of the UTF-8 bytes.
`protected static java.lang.String`	`PROP_PW`	stored as plain text
`protected static java.lang.String`	`PROP_SHASH`	stored as the b64 of the 16 byte salt + the 32 byte hash of the UTF-8 bytes
`protected static int`	`SALT_LENGTH`
`protected static int`	`SHASH_LENGTH`	48

コンストラクタの概要

コンストラクタ
コンストラクタ説明

PasswordManager(I2PAppContext ctx)

コンストラクタ
コンストラクタ	説明
`PasswordManager(I2PAppContext ctx)`

メソッドの概要

すべてのメソッド staticメソッドインスタンス・メソッド concreteメソッド
修飾子とタイプ	メソッド	説明
`boolean`	`check(java.lang.String realm, java.lang.String user, java.lang.String pw)`	Checks both plaintext and hash
`boolean`	`checkB64(java.lang.String realm, java.lang.String user, java.lang.String pw)`
`boolean`	`checkHash(java.lang.String shash, java.lang.String pw)`	Check pw against b64 salt+hash, as generated by createHash()
`boolean`	`checkHash(java.lang.String realm, java.lang.String user, java.lang.String pw)`	With random salt
`boolean`	`checkPlain(java.lang.String realm, java.lang.String user, java.lang.String pw)`
`java.lang.String`	`createHash(java.lang.String pw)`	Create a salt+hash, to be saved and verified later by verifyHash().
`java.lang.String`	`get(java.lang.String realm, java.lang.String user)`	Either plain or b64
`java.lang.String`	`getB64(java.lang.String realm, java.lang.String user)`
`java.lang.String`	`getPlain(java.lang.String realm, java.lang.String user)`
`static java.lang.String`	`md5Hex(java.lang.String fullpw)`	Straight MD5, no salt Will return the MD5 sum of the data, compatible with Jetty and RFC 2617.
`static java.lang.String`	`md5Hex(java.lang.String subrealm, java.lang.String user, java.lang.String pw)`	Straight MD5, no salt Will return the MD5 sum of "user:subrealm:pw", compatible with Jetty and RFC 2617.
`static byte[]`	`md5Sum(byte[] data)`	Standard MD5 checksum

クラスから継承されたメソッド java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- フィールドの詳細
  - SALT_LENGTH
```
protected static final int SALT_LENGTH
```
    関連項目:
    
    定数フィールド値
  - SHASH_LENGTH
```
protected static final int SHASH_LENGTH
```
    48
    
    関連項目:
    
    定数フィールド値
  - PROP_PW
```
protected static final java.lang.String PROP_PW
```
    stored as plain text
    
    関連項目:
    
    定数フィールド値
  - PROP_B64
```
protected static final java.lang.String PROP_B64
```
    stored obfuscated as b64 of the UTF-8 bytes
    
    関連項目:
    
    定数フィールド値
  - PROP_MD5
```
protected static final java.lang.String PROP_MD5
```
    stored as the hex of the MD5 hash of the UTF-8 bytes. Compatible with Jetty.
    
    関連項目:
    
    定数フィールド値
  - PROP_CRYPT
```
protected static final java.lang.String PROP_CRYPT
```
    stored as a Unix crypt string
    
    関連項目:
    
    定数フィールド値
  - PROP_SHASH
```
protected static final java.lang.String PROP_SHASH
```
    stored as the b64 of the 16 byte salt + the 32 byte hash of the UTF-8 bytes
    
    関連項目:
    
    定数フィールド値
- コンストラクタの詳細
  - PasswordManager
```
public PasswordManager(I2PAppContext ctx)
```
- メソッドの詳細
  - check
```
public boolean check(java.lang.String realm,
                     java.lang.String user,
                     java.lang.String pw)
```
    Checks both plaintext and hash
    
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    pw - plain text, already trimmed
    
    戻り値:
    
    if pw verified
  - checkPlain
```
public boolean checkPlain(java.lang.String realm,
                          java.lang.String user,
                          java.lang.String pw)
```
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    pw - plain text, already trimmed
    
    戻り値:
    
    if pw verified
  - checkB64
```
public boolean checkB64(java.lang.String realm,
                        java.lang.String user,
                        java.lang.String pw)
```
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    pw - plain text, already trimmed
    
    戻り値:
    
    if pw verified
  - checkHash
```
public boolean checkHash(java.lang.String realm,
                         java.lang.String user,
                         java.lang.String pw)
```
    With random salt
    
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    pw - plain text, already trimmed
    
    戻り値:
    
    if pw verified
  - checkHash
```
public boolean checkHash(java.lang.String shash,
                         java.lang.String pw)
```
    Check pw against b64 salt+hash, as generated by createHash()
    
    パラメータ:
    
    shash - b64 string
    
    pw - plain text non-null, already trimmed
    
    戻り値:
    
    if pw verified
    
    導入されたバージョン:
    
    0.9.24
  - createHash
```
public java.lang.String createHash(java.lang.String pw)
```
    Create a salt+hash, to be saved and verified later by verifyHash().
    
    パラメータ:
    
    pw - plain text non-null, already trimmed
    
    戻り値:
    
    salted+hash b64 string
    
    導入されたバージョン:
    
    0.9.24
  - get
```
public java.lang.String get(java.lang.String realm,
                            java.lang.String user)
```
    Either plain or b64
    
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    戻り値:
    
    the pw or null
  - getPlain
```
public java.lang.String getPlain(java.lang.String realm,
                                 java.lang.String user)
```
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    戻り値:
    
    the pw or null
  - getB64
```
public java.lang.String getB64(java.lang.String realm,
                               java.lang.String user)
```
    パラメータ:
    
    realm - e.g. i2cp, routerconsole, etc.
    
    user - null or "" for no user, already trimmed
    
    戻り値:
    
    the decoded pw or null
  - md5Hex
```
public static java.lang.String md5Hex(java.lang.String subrealm,
                                      java.lang.String user,
                                      java.lang.String pw)
```
    Straight MD5, no salt Will return the MD5 sum of "user:subrealm:pw", compatible with Jetty and RFC 2617. Updated in 0.9.26 to use UTF-8, as implied in RFC 7616/7617 See also http://stackoverflow.com/questions/7242316/what-encoding-should-i-use-for-http-basic-authentication http://stackoverflow.com/questions/702629/utf-8-characters-mangled-in-http-basic-auth-username
    
    パラメータ:
    
    subrealm - to be used in creating the checksum
    
    user - non-null, non-empty, already trimmed
    
    pw - non-null, plain text, already trimmed
    
    戻り値:
    
    lower-case hex with leading zeros, 32 chars, or null on error
  - md5Hex
```
public static java.lang.String md5Hex(java.lang.String fullpw)
```
    Straight MD5, no salt Will return the MD5 sum of the data, compatible with Jetty and RFC 2617. Updated in 0.9.26 to use UTF-8, as implied in RFC 7616/7617 See also http://stackoverflow.com/questions/7242316/what-encoding-should-i-use-for-http-basic-authentication
    
    パラメータ:
    
    fullpw - non-null, plain text, already trimmed
    
    戻り値:
    
    lower-case hex with leading zeros, 32 chars, or null on error
  - md5Sum
```
public static byte[] md5Sum(byte[] data)
```
    Standard MD5 checksum
    
    パラメータ:
    
    data - non-null
    
    戻り値:
    
    16 bytes, or null on error

クラス PasswordManager

フィールドの概要

コンストラクタの概要

メソッドの概要

クラスから継承されたメソッド java.lang.Object

フィールドの詳細

SALT_LENGTH

SHASH_LENGTH

PROP_PW

PROP_B64

PROP_MD5

PROP_CRYPT

PROP_SHASH

コンストラクタの詳細

PasswordManager

メソッドの詳細

check

checkPlain

checkB64

checkHash

checkHash

createHash

get

getPlain

getB64

md5Hex

md5Hex

md5Sum