https://www.eclipse.org/jgit//org.eclipse.jgit: Repository access and algorithms (Eclipse JGit Project)
  • Eclipse Distribution License (New BSD License)
  • Andrey Loskutov
  • Christian Halstrick
  • Dave Borowitz
  • David Pursehouse
  • Gunnar Wagenknecht
  • Jonathan Nieder
  • Jonathan Tan
  • Matthias Sohn
  • Sasa Zivkov
  • Terry Parker
  • Thomas Wolf 
abstract class org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption extends org.eclipse.jgit.transport.WalkEncryption implements org.eclipse.jgit.transport.WalkEncryption$Keys, org.eclipse.jgit.transport.WalkEncryption$Vals
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption
  super_class: org.eclipse.jgit.transport.WalkEncryption
{
  final java.lang.String profile;
    descriptor: Ljava/lang/String;
    flags: (0x0010) ACC_FINAL

  final java.lang.String version;
    descriptor: Ljava/lang/String;
    flags: (0x0010) ACC_FINAL

  final java.lang.String cipherAlgo;
    descriptor: Ljava/lang/String;
    flags: (0x0010) ACC_FINAL

  final java.lang.String paramsAlgo;
    descriptor: Ljava/lang/String;
    flags: (0x0010) ACC_FINAL

  final javax.crypto.SecretKey secretKey;
    descriptor: Ljavax/crypto/SecretKey;
    flags: (0x0010) ACC_FINAL

  volatile java.lang.String context;
    descriptor: Ljava/lang/String;
    flags: (0x0040) ACC_VOLATILE

  volatile javax.crypto.Cipher decryptCipher;
    descriptor: Ljavax/crypto/Cipher;
    flags: (0x0040) ACC_VOLATILE

  void <init>(java.util.Properties);
    descriptor: (Ljava/util/Properties;)V
    flags: (0x0000) 
    Code:
      stack=7, locals=17, args_size=2
        start local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
        start local 1 // java.util.Properties props
         0: .line 315
            aload 0 /* this */
            invokespecial org.eclipse.jgit.transport.WalkEncryption.<init>:()V
         1: .line 317
            aload 0 /* this */
            aload 1 /* props */
            ldc "crypto.algorithm"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
         2: .line 318
            aload 0 /* this */
            aload 1 /* props */
            ldc "crypto.version"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.version:Ljava/lang/String;
         3: .line 319
            aload 1 /* props */
            ldc "password"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 2 /* pass */
        start local 2 // java.lang.String pass
         4: .line 321
            aload 0 /* this */
            aload 1 /* props */
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".algo"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            ldc "PBEWithMD5AndDES"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
         5: .line 323
            aload 1 /* props */
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".key.algo"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            ldc "PBEWithMD5AndDES"
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            astore 3 /* keyAlgo */
        start local 3 // java.lang.String keyAlgo
         6: .line 324
            aload 1 /* props */
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".key.size"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            getstatic org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.DEFAULT_KEY_SIZE:Ljava/lang/String;
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            astore 4 /* keySize */
        start local 4 // java.lang.String keySize
         7: .line 325
            aload 1 /* props */
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".key.iter"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            getstatic org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.DEFAULT_KEY_ITER:Ljava/lang/String;
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            astore 5 /* keyIter */
        start local 5 // java.lang.String keyIter
         8: .line 326
            aload 1 /* props */
            new java.lang.StringBuilder
            dup
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc ".key.salt"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            getstatic org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.DEFAULT_KEY_SALT:Ljava/lang/String;
            invokevirtual java.util.Properties.getProperty:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            astore 6 /* keySalt */
        start local 6 // java.lang.String keySalt
         9: .line 329
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
            invokestatic org.eclipse.jgit.transport.InsecureCipherFactory.create:(Ljava/lang/String;)Ljavax/crypto/Cipher;
            astore 7 /* cipher */
        start local 7 // javax.crypto.Cipher cipher
        10: .line 332
            aload 3 /* keyAlgo */
            invokestatic javax.crypto.SecretKeyFactory.getInstance:(Ljava/lang/String;)Ljavax/crypto/SecretKeyFactory;
            astore 8 /* factory */
        start local 8 // javax.crypto.SecretKeyFactory factory
        11: .line 336
            aload 4 /* keySize */
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
            istore 9 /* size */
        start local 9 // int size
        12: .line 337
            goto 15
        end local 9 // int size
      StackMap locals: org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption java.util.Properties java.lang.String java.lang.String java.lang.String java.lang.String java.lang.String javax.crypto.Cipher javax.crypto.SecretKeyFactory
      StackMap stack: java.lang.Exception
        13: astore 10 /* e */
        start local 10 // java.lang.Exception e
        14: .line 338
            new java.lang.StringBuilder
            dup
            ldc ".key.size"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* keySize */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 10 /* e */
            invokestatic org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.securityError:(Ljava/lang/String;Ljava/lang/Throwable;)Ljava/security/GeneralSecurityException;
            athrow
        end local 10 // java.lang.Exception e
        start local 9 // int size
        15: .line 343
      StackMap locals: int
      StackMap stack:
            aload 5 /* keyIter */
            invokestatic java.lang.Integer.parseInt:(Ljava/lang/String;)I
            istore 10 /* iter */
        start local 10 // int iter
        16: .line 344
            goto 19
        end local 10 // int iter
      StackMap locals:
      StackMap stack: java.lang.Exception
        17: astore 11 /* e */
        start local 11 // java.lang.Exception e
        18: .line 345
            new java.lang.StringBuilder
            dup
            ldc ".key.iter"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 5 /* keyIter */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 11 /* e */
            invokestatic org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.securityError:(Ljava/lang/String;Ljava/lang/Throwable;)Ljava/security/GeneralSecurityException;
            athrow
        end local 11 // java.lang.Exception e
        start local 10 // int iter
        19: .line 350
      StackMap locals: int
      StackMap stack:
            aload 6 /* keySalt */
            ldc "\\s+"
            ldc ""
            invokevirtual java.lang.String.replaceAll:(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
            invokestatic org.eclipse.jgit.util.Hex.decode:(Ljava/lang/String;)[B
            astore 11 /* salt */
        start local 11 // byte[] salt
        20: .line 351
            goto 23
        end local 11 // byte[] salt
      StackMap locals:
      StackMap stack: java.lang.Exception
        21: astore 12 /* e */
        start local 12 // java.lang.Exception e
        22: .line 352
            new java.lang.StringBuilder
            dup
            ldc ".key.salt"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 6 /* keySalt */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 12 /* e */
            invokestatic org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.securityError:(Ljava/lang/String;Ljava/lang/Throwable;)Ljava/security/GeneralSecurityException;
            athrow
        end local 12 // java.lang.Exception e
        start local 11 // byte[] salt
        23: .line 355
      StackMap locals: byte[]
      StackMap stack:
            new javax.crypto.spec.PBEKeySpec
            dup
            aload 2 /* pass */
            invokevirtual java.lang.String.toCharArray:()[C
            aload 11 /* salt */
            iload 10 /* iter */
            iload 9 /* size */
            invokespecial javax.crypto.spec.PBEKeySpec.<init>:([C[BII)V
            astore 12 /* keySpec */
        start local 12 // java.security.spec.KeySpec keySpec
        24: .line 357
            aload 8 /* factory */
            aload 12 /* keySpec */
            invokevirtual javax.crypto.SecretKeyFactory.generateSecret:(Ljava/security/spec/KeySpec;)Ljavax/crypto/SecretKey;
            astore 13 /* keyBase */
        start local 13 // javax.crypto.SecretKey keyBase
        25: .line 359
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
            getstatic java.util.Locale.ROOT:Ljava/util/Locale;
            invokevirtual java.lang.String.toUpperCase:(Ljava/util/Locale;)Ljava/lang/String;
            astore 14 /* name */
        start local 14 // java.lang.String name
        26: .line 360
            ldc "(PBE).*(WITH).+(AND).+"
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            aload 14 /* name */
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 15 /* matcherPBE */
        start local 15 // java.util.regex.Matcher matcherPBE
        27: .line 361
            ldc "(.+)/(.+)/(.+)"
            invokestatic java.util.regex.Pattern.compile:(Ljava/lang/String;)Ljava/util/regex/Pattern;
            aload 14 /* name */
            invokevirtual java.util.regex.Pattern.matcher:(Ljava/lang/CharSequence;)Ljava/util/regex/Matcher;
            astore 16 /* matcherTrans */
        start local 16 // java.util.regex.Matcher matcherTrans
        28: .line 362
            aload 15 /* matcherPBE */
            invokevirtual java.util.regex.Matcher.matches:()Z
            ifeq 32
        29: .line 363
            aload 0 /* this */
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.paramsAlgo:Ljava/lang/String;
        30: .line 364
            aload 0 /* this */
            aload 13 /* keyBase */
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.secretKey:Ljavax/crypto/SecretKey;
        31: .line 365
            goto 40
      StackMap locals: org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption java.util.Properties java.lang.String java.lang.String java.lang.String java.lang.String java.lang.String javax.crypto.Cipher javax.crypto.SecretKeyFactory int int byte[] java.security.spec.KeySpec javax.crypto.SecretKey java.lang.String java.util.regex.Matcher java.util.regex.Matcher
      StackMap stack:
        32: aload 16 /* matcherTrans */
            invokevirtual java.util.regex.Matcher.find:()Z
            ifeq 36
        33: .line 366
            aload 0 /* this */
            aload 16 /* matcherTrans */
            iconst_1
            invokevirtual java.util.regex.Matcher.group:(I)Ljava/lang/String;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.paramsAlgo:Ljava/lang/String;
        34: .line 367
            aload 0 /* this */
            new javax.crypto.spec.SecretKeySpec
            dup
            aload 13 /* keyBase */
            invokeinterface javax.crypto.SecretKey.getEncoded:()[B
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.paramsAlgo:Ljava/lang/String;
            invokespecial javax.crypto.spec.SecretKeySpec.<init>:([BLjava/lang/String;)V
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.secretKey:Ljavax/crypto/SecretKey;
        35: .line 368
            goto 40
        36: .line 369
      StackMap locals:
      StackMap stack:
            new java.security.GeneralSecurityException
            dup
        37: .line 370
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.unsupportedEncryptionAlgorithm:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
        38: .line 371
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
            aastore
        39: .line 369
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.security.GeneralSecurityException.<init>:(Ljava/lang/String;)V
            athrow
        40: .line 375
      StackMap locals:
      StackMap stack:
            aload 7 /* cipher */
            iconst_1
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.secretKey:Ljavax/crypto/SecretKey;
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
        41: .line 376
            aload 7 /* cipher */
            invokevirtual javax.crypto.Cipher.doFinal:()[B
            pop
        42: .line 378
            return
        end local 16 // java.util.regex.Matcher matcherTrans
        end local 15 // java.util.regex.Matcher matcherPBE
        end local 14 // java.lang.String name
        end local 13 // javax.crypto.SecretKey keyBase
        end local 12 // java.security.spec.KeySpec keySpec
        end local 11 // byte[] salt
        end local 10 // int iter
        end local 9 // int size
        end local 8 // javax.crypto.SecretKeyFactory factory
        end local 7 // javax.crypto.Cipher cipher
        end local 6 // java.lang.String keySalt
        end local 5 // java.lang.String keyIter
        end local 4 // java.lang.String keySize
        end local 3 // java.lang.String keyAlgo
        end local 2 // java.lang.String pass
        end local 1 // java.util.Properties props
        end local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0   43     0          this  Lorg/eclipse/jgit/transport/WalkEncryption$SymmetricEncryption;
            0   43     1         props  Ljava/util/Properties;
            4   43     2          pass  Ljava/lang/String;
            6   43     3       keyAlgo  Ljava/lang/String;
            7   43     4       keySize  Ljava/lang/String;
            8   43     5       keyIter  Ljava/lang/String;
            9   43     6       keySalt  Ljava/lang/String;
           10   43     7        cipher  Ljavax/crypto/Cipher;
           11   43     8       factory  Ljavax/crypto/SecretKeyFactory;
           12   13     9          size  I
           15   43     9          size  I
           14   15    10             e  Ljava/lang/Exception;
           16   17    10          iter  I
           19   43    10          iter  I
           18   19    11             e  Ljava/lang/Exception;
           20   21    11          salt  [B
           23   43    11          salt  [B
           22   23    12             e  Ljava/lang/Exception;
           24   43    12       keySpec  Ljava/security/spec/KeySpec;
           25   43    13       keyBase  Ljavax/crypto/SecretKey;
           26   43    14          name  Ljava/lang/String;
           27   43    15    matcherPBE  Ljava/util/regex/Matcher;
           28   43    16  matcherTrans  Ljava/util/regex/Matcher;
      Exception table:
        from    to  target  type
          11    12      13  Class java.lang.Exception
          15    16      17  Class java.lang.Exception
          19    20      21  Class java.lang.Exception
    Exceptions:
      throws java.security.GeneralSecurityException
    MethodParameters:
       Name  Flags
      props  

  java.io.OutputStream encrypt(java.io.OutputStream);
    descriptor: (Ljava/io/OutputStream;)Ljava/io/OutputStream;
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
        start local 1 // java.io.OutputStream output
         0: .line 386
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
            invokestatic org.eclipse.jgit.transport.InsecureCipherFactory.create:(Ljava/lang/String;)Ljavax/crypto/Cipher;
            astore 2 /* cipher */
        start local 2 // javax.crypto.Cipher cipher
         1: .line 387
            aload 2 /* cipher */
            iconst_1
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.secretKey:Ljavax/crypto/SecretKey;
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
         2: .line 388
            aload 2 /* cipher */
            invokevirtual javax.crypto.Cipher.getParameters:()Ljava/security/AlgorithmParameters;
            astore 3 /* params */
        start local 3 // java.security.AlgorithmParameters params
         3: .line 389
            aload 3 /* params */
            ifnonnull 6
         4: .line 390
            aload 0 /* this */
            ldc ""
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.context:Ljava/lang/String;
         5: .line 391
            goto 7
         6: .line 392
      StackMap locals: javax.crypto.Cipher java.security.AlgorithmParameters
      StackMap stack:
            aload 0 /* this */
            aload 3 /* params */
            invokevirtual java.security.AlgorithmParameters.getEncoded:()[B
            invokestatic org.eclipse.jgit.util.Base64.encodeBytes:([B)Ljava/lang/String;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.context:Ljava/lang/String;
         7: .line 394
      StackMap locals:
      StackMap stack:
            new javax.crypto.CipherOutputStream
            dup
            aload 1 /* output */
            aload 2 /* cipher */
            invokespecial javax.crypto.CipherOutputStream.<init>:(Ljava/io/OutputStream;Ljavax/crypto/Cipher;)V
         8: areturn
        end local 3 // java.security.AlgorithmParameters params
        end local 2 // javax.crypto.Cipher cipher
         9: .line 395
      StackMap locals: org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption java.io.OutputStream
      StackMap stack: java.lang.Exception
            astore 2 /* e */
        start local 2 // java.lang.Exception e
        10: .line 396
            aload 0 /* this */
            aload 2 /* e */
            invokevirtual org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.error:(Ljava/lang/Throwable;)Ljava/io/IOException;
            athrow
        end local 2 // java.lang.Exception e
        end local 1 // java.io.OutputStream output
        end local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   11     0    this  Lorg/eclipse/jgit/transport/WalkEncryption$SymmetricEncryption;
            0   11     1  output  Ljava/io/OutputStream;
            1    9     2  cipher  Ljavax/crypto/Cipher;
            3    9     3  params  Ljava/security/AlgorithmParameters;
           10   11     2       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           0     8       9  Class java.lang.Exception
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      output  

  void request(java.net.HttpURLConnection, java.lang.String);
    descriptor: (Ljava/net/HttpURLConnection;Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
        start local 1 // java.net.HttpURLConnection conn
        start local 2 // java.lang.String prefix
         0: .line 402
            aload 1 /* conn */
            new java.lang.StringBuilder
            dup
            aload 2 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "jgit-crypto-profile"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            invokevirtual java.net.HttpURLConnection.setRequestProperty:(Ljava/lang/String;Ljava/lang/String;)V
         1: .line 403
            aload 1 /* conn */
            new java.lang.StringBuilder
            dup
            aload 2 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "jgit-crypto-version"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.version:Ljava/lang/String;
            invokevirtual java.net.HttpURLConnection.setRequestProperty:(Ljava/lang/String;Ljava/lang/String;)V
         2: .line 404
            aload 1 /* conn */
            new java.lang.StringBuilder
            dup
            aload 2 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "jgit-crypto-context"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.context:Ljava/lang/String;
            invokevirtual java.net.HttpURLConnection.setRequestProperty:(Ljava/lang/String;Ljava/lang/String;)V
         3: .line 410
            return
        end local 2 // java.lang.String prefix
        end local 1 // java.net.HttpURLConnection conn
        end local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lorg/eclipse/jgit/transport/WalkEncryption$SymmetricEncryption;
            0    4     1    conn  Ljava/net/HttpURLConnection;
            0    4     2  prefix  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      conn    
      prefix  

  void validate(java.net.HttpURLConnection, java.lang.String);
    descriptor: (Ljava/net/HttpURLConnection;Ljava/lang/String;)V
    flags: (0x0000) 
    Code:
      stack=7, locals=7, args_size=3
        start local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
        start local 1 // java.net.HttpURLConnection conn
        start local 2 // java.lang.String prefix
         0: .line 418
            aload 1 /* conn */
            new java.lang.StringBuilder
            dup
            aload 2 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "jgit-crypto-profile"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.net.HttpURLConnection.getHeaderField:(Ljava/lang/String;)Ljava/lang/String;
            astore 3 /* prof */
        start local 3 // java.lang.String prof
         1: .line 419
            aload 1 /* conn */
            new java.lang.StringBuilder
            dup
            aload 2 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "jgit-crypto-version"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.net.HttpURLConnection.getHeaderField:(Ljava/lang/String;)Ljava/lang/String;
            astore 4 /* vers */
        start local 4 // java.lang.String vers
         2: .line 420
            aload 1 /* conn */
            new java.lang.StringBuilder
            dup
            aload 2 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "jgit-crypto-context"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokevirtual java.net.HttpURLConnection.getHeaderField:(Ljava/lang/String;)Ljava/lang/String;
            astore 5 /* cont */
        start local 5 // java.lang.String cont
         3: .line 422
            aload 3 /* prof */
            ifnonnull 7
         4: .line 423
            new java.io.IOException
            dup
         5: .line 424
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.encryptionError:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "jgit-crypto-profile"
            aastore
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
         6: .line 423
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
         7: .line 426
      StackMap locals: java.lang.String java.lang.String java.lang.String
      StackMap stack:
            aload 4 /* vers */
            ifnonnull 11
         8: .line 427
            new java.io.IOException
            dup
         9: .line 428
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.encryptionError:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "jgit-crypto-version"
            aastore
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
        10: .line 427
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 430
      StackMap locals:
      StackMap stack:
            aload 5 /* cont */
            ifnonnull 15
        12: .line 431
            new java.io.IOException
            dup
        13: .line 432
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.encryptionError:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            ldc "jgit-crypto-context"
            aastore
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
        14: .line 431
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        15: .line 434
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.profile:Ljava/lang/String;
            aload 3 /* prof */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 19
        16: .line 435
            new java.io.IOException
            dup
        17: .line 436
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.unsupportedEncryptionAlgorithm:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 3 /* prof */
            aastore
        18: .line 435
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        19: .line 438
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.version:Ljava/lang/String;
            aload 4 /* vers */
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifne 23
        20: .line 439
            new java.io.IOException
            dup
        21: .line 440
            invokestatic org.eclipse.jgit.internal.JGitText.get:()Lorg/eclipse/jgit/internal/JGitText;
            getfield org.eclipse.jgit.internal.JGitText.unsupportedEncryptionVersion:Ljava/lang/String;
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 4 /* vers */
            aastore
        22: .line 439
            invokestatic java.text.MessageFormat.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        23: .line 443
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.cipherAlgo:Ljava/lang/String;
            invokestatic org.eclipse.jgit.transport.InsecureCipherFactory.create:(Ljava/lang/String;)Ljavax/crypto/Cipher;
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.decryptCipher:Ljavax/crypto/Cipher;
        24: .line 444
            aload 5 /* cont */
            invokevirtual java.lang.String.isEmpty:()Z
            ifeq 27
        25: .line 445
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.decryptCipher:Ljavax/crypto/Cipher;
            iconst_2
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.secretKey:Ljavax/crypto/SecretKey;
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
        26: .line 446
            goto 34
        27: .line 448
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.paramsAlgo:Ljava/lang/String;
            invokestatic java.security.AlgorithmParameters.getInstance:(Ljava/lang/String;)Ljava/security/AlgorithmParameters;
        28: .line 447
            astore 6 /* params */
        start local 6 // java.security.AlgorithmParameters params
        29: .line 449
            aload 6 /* params */
            aload 5 /* cont */
            invokestatic org.eclipse.jgit.util.Base64.decode:(Ljava/lang/String;)[B
            invokevirtual java.security.AlgorithmParameters.init:([B)V
        30: .line 450
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.decryptCipher:Ljavax/crypto/Cipher;
            iconst_2
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.secretKey:Ljavax/crypto/SecretKey;
            aload 6 /* params */
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;Ljava/security/AlgorithmParameters;)V
        end local 6 // java.security.AlgorithmParameters params
        31: .line 452
            goto 34
      StackMap locals:
      StackMap stack: java.lang.Exception
        32: astore 6 /* e */
        start local 6 // java.lang.Exception e
        33: .line 453
            aload 0 /* this */
            aload 6 /* e */
            invokevirtual org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.error:(Ljava/lang/Throwable;)Ljava/io/IOException;
            athrow
        end local 6 // java.lang.Exception e
        34: .line 455
      StackMap locals:
      StackMap stack:
            return
        end local 5 // java.lang.String cont
        end local 4 // java.lang.String vers
        end local 3 // java.lang.String prof
        end local 2 // java.lang.String prefix
        end local 1 // java.net.HttpURLConnection conn
        end local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   35     0    this  Lorg/eclipse/jgit/transport/WalkEncryption$SymmetricEncryption;
            0   35     1    conn  Ljava/net/HttpURLConnection;
            0   35     2  prefix  Ljava/lang/String;
            1   35     3    prof  Ljava/lang/String;
            2   35     4    vers  Ljava/lang/String;
            3   35     5    cont  Ljava/lang/String;
           29   31     6  params  Ljava/security/AlgorithmParameters;
           33   34     6       e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
          23    31      32  Class java.lang.Exception
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      conn    
      prefix  

  java.io.InputStream decrypt(java.io.InputStream);
    descriptor: (Ljava/io/InputStream;)Ljava/io/InputStream;
    flags: (0x0000) 
    Code:
      stack=4, locals=4, args_size=2
        start local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
        start local 1 // java.io.InputStream input
         0: .line 460
            new javax.crypto.CipherInputStream
            dup
            aload 1 /* input */
            aload 0 /* this */
            getfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.decryptCipher:Ljavax/crypto/Cipher;
            invokespecial javax.crypto.CipherInputStream.<init>:(Ljava/io/InputStream;Ljavax/crypto/Cipher;)V
            astore 3
         1: .line 462
            aload 0 /* this */
            aconst_null
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.decryptCipher:Ljavax/crypto/Cipher;
         2: .line 460
            aload 3
            areturn
         3: .line 461
      StackMap locals:
      StackMap stack: java.lang.Throwable
            astore 2
         4: .line 462
            aload 0 /* this */
            aconst_null
            putfield org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption.decryptCipher:Ljavax/crypto/Cipher;
         5: .line 463
            aload 2
            athrow
        end local 1 // java.io.InputStream input
        end local 0 // org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    6     0   this  Lorg/eclipse/jgit/transport/WalkEncryption$SymmetricEncryption;
            0    6     1  input  Ljava/io/InputStream;
      Exception table:
        from    to  target  type
           0     1       3  any
    Exceptions:
      throws java.io.IOException
    MethodParameters:
       Name  Flags
      input  
}
SourceFile: "WalkEncryption.java"
NestHost: org.eclipse.jgit.transport.WalkEncryption
InnerClasses:
  abstract Keys = org.eclipse.jgit.transport.WalkEncryption$Keys of org.eclipse.jgit.transport.WalkEncryption
  abstract SymmetricEncryption = org.eclipse.jgit.transport.WalkEncryption$SymmetricEncryption of org.eclipse.jgit.transport.WalkEncryption
  abstract Vals = org.eclipse.jgit.transport.WalkEncryption$Vals of org.eclipse.jgit.transport.WalkEncryption