public final class com.sun.crypto.provider.HmacPKCS12PBESHA1 extends com.sun.crypto.provider.HmacCore
minor version: 0
major version: 59
flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
this_class: com.sun.crypto.provider.HmacPKCS12PBESHA1
super_class: com.sun.crypto.provider.HmacCore
{
public void <init>();
descriptor: ()V
flags: (0x0001) ACC_PUBLIC
Code:
stack=3, locals=1, args_size=1
start local 0 0: aload 0
ldc "SHA1"
bipush 64
invokespecial com.sun.crypto.provider.HmacCore.<init>:(Ljava/lang/String;I)V
1: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Lcom/sun/crypto/provider/HmacPKCS12PBESHA1;
Exceptions:
throws java.security.NoSuchAlgorithmException
protected void engineInit(java.security.Key, java.security.spec.AlgorithmParameterSpec);
descriptor: (Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=6, locals=8, args_size=3
start local 0 start local 1 start local 2 0: aconst_null
astore 4
start local 4 1: iconst_0
istore 5
start local 5 2: aload 1
instanceof javax.crypto.interfaces.PBEKey
ifeq 9
3: aload 1
checkcast javax.crypto.interfaces.PBEKey
4: astore 6
start local 6 5: aload 6
invokeinterface javax.crypto.interfaces.PBEKey.getPassword:()[C
astore 3
start local 3 6: aload 6
invokeinterface javax.crypto.interfaces.PBEKey.getSalt:()[B
astore 4
7: aload 6
invokeinterface javax.crypto.interfaces.PBEKey.getIterationCount:()I
istore 5
end local 6 8: goto 22
end local 3 StackMap locals: com.sun.crypto.provider.HmacPKCS12PBESHA1 java.security.Key java.security.spec.AlgorithmParameterSpec top byte[] int
StackMap stack:
9: aload 1
instanceof javax.crypto.SecretKey
ifeq 21
10: aload 1
invokeinterface java.security.Key.getEncoded:()[B
astore 6
start local 6 11: aload 6
ifnull 13
12: aload 1
invokeinterface java.security.Key.getAlgorithm:()Ljava/lang/String;
iconst_1
iconst_0
ldc "PBE"
iconst_0
iconst_3
invokevirtual java.lang.String.regionMatches:(ZILjava/lang/String;II)Z
ifne 14
13: StackMap locals: byte[]
StackMap stack:
new java.security.InvalidKeyException
dup
ldc "Missing password"
invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
athrow
14: StackMap locals:
StackMap stack:
aload 6
arraylength
newarray 5
astore 3
start local 3 15: iconst_0
istore 7
start local 7 16: goto 19
17: StackMap locals: com.sun.crypto.provider.HmacPKCS12PBESHA1 java.security.Key java.security.spec.AlgorithmParameterSpec char[] byte[] int byte[] int
StackMap stack:
aload 3
iload 7
aload 6
iload 7
baload
bipush 127
iand
i2c
castore
18: iinc 7 1
StackMap locals:
StackMap stack:
19: iload 7
aload 3
arraylength
if_icmplt 17
end local 7 end local 6 20: goto 22
end local 3 21: StackMap locals: com.sun.crypto.provider.HmacPKCS12PBESHA1 java.security.Key java.security.spec.AlgorithmParameterSpec top byte[] int
StackMap stack:
new java.security.InvalidKeyException
dup
ldc "SecretKey of PBE type required"
invokespecial java.security.InvalidKeyException.<init>:(Ljava/lang/String;)V
athrow
start local 3 22: StackMap locals: com.sun.crypto.provider.HmacPKCS12PBESHA1 java.security.Key java.security.spec.AlgorithmParameterSpec char[] byte[] int
StackMap stack:
aload 2
ifnonnull 27
23: aload 4
ifnull 24
iload 5
ifne 44
24: StackMap locals:
StackMap stack:
new java.security.InvalidAlgorithmParameterException
dup
25: ldc "PBEParameterSpec required for salt and iteration count"
26: invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
athrow
27: StackMap locals:
StackMap stack:
aload 2
instanceof javax.crypto.spec.PBEParameterSpec
ifne 31
28: new java.security.InvalidAlgorithmParameterException
dup
29: ldc "PBEParameterSpec type required"
30: invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
athrow
31: StackMap locals:
StackMap stack:
aload 2
checkcast javax.crypto.spec.PBEParameterSpec
astore 6
start local 6 32: aload 4
ifnull 37
33: aload 4
aload 6
invokevirtual javax.crypto.spec.PBEParameterSpec.getSalt:()[B
invokestatic java.util.Arrays.equals:([B[B)Z
ifne 38
34: new java.security.InvalidAlgorithmParameterException
dup
35: ldc "Inconsistent value of salt between key and params"
36: invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
athrow
37: StackMap locals: javax.crypto.spec.PBEParameterSpec
StackMap stack:
aload 6
invokevirtual javax.crypto.spec.PBEParameterSpec.getSalt:()[B
astore 4
38: StackMap locals:
StackMap stack:
iload 5
ifeq 43
39: iload 5
aload 6
invokevirtual javax.crypto.spec.PBEParameterSpec.getIterationCount:()I
if_icmpeq 44
40: new java.security.InvalidAlgorithmParameterException
dup
41: ldc "Different iteration count between key and params"
42: invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
athrow
43: StackMap locals:
StackMap stack:
aload 6
invokevirtual javax.crypto.spec.PBEParameterSpec.getIterationCount:()I
istore 5
end local 6 44: StackMap locals:
StackMap stack:
aload 4
arraylength
bipush 8
if_icmpge 48
45: new java.security.InvalidAlgorithmParameterException
dup
46: ldc "Salt must be at least 8 bytes long"
47: invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
athrow
48: StackMap locals:
StackMap stack:
iload 5
ifgt 52
49: new java.security.InvalidAlgorithmParameterException
dup
50: ldc "IterationCount must be a positive number"
51: invokespecial java.security.InvalidAlgorithmParameterException.<init>:(Ljava/lang/String;)V
athrow
52: StackMap locals:
StackMap stack:
aload 3
aload 4
53: iload 5
aload 0
invokevirtual com.sun.crypto.provider.HmacPKCS12PBESHA1.engineGetMacLength:()I
iconst_3
54: invokestatic com.sun.crypto.provider.PKCS12PBECipherCore.derive:([C[BIII)[B
astore 6
start local 6 55: new javax.crypto.spec.SecretKeySpec
dup
aload 6
ldc "HmacSHA1"
invokespecial javax.crypto.spec.SecretKeySpec.<init>:([BLjava/lang/String;)V
astore 7
start local 7 56: aload 0
aload 7
aconst_null
invokespecial com.sun.crypto.provider.HmacCore.engineInit:(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
57: return
end local 7 end local 6 end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 58 0 this Lcom/sun/crypto/provider/HmacPKCS12PBESHA1;
0 58 1 key Ljava/security/Key;
0 58 2 params Ljava/security/spec/AlgorithmParameterSpec;
6 9 3 passwdChars [C
15 21 3 passwdChars [C
22 58 3 passwdChars [C
1 58 4 salt [B
2 58 5 iCount I
5 8 6 pbeKey Ljavax/crypto/interfaces/PBEKey;
11 20 6 passwdBytes [B
16 20 7 i I
32 44 6 pbeParams Ljavax/crypto/spec/PBEParameterSpec;
55 58 6 derivedKey [B
56 58 7 cipherKey Ljavax/crypto/SecretKey;
Exceptions:
throws java.security.InvalidKeyException, java.security.InvalidAlgorithmParameterException
MethodParameters:
Name Flags
key
params
public java.lang.Object clone();
descriptor: ()Ljava/lang/Object;
flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
Code:
stack=1, locals=1, args_size=1
0: aload 0
invokespecial com.sun.crypto.provider.HmacCore.clone:()Ljava/lang/Object;
areturn
LocalVariableTable:
Start End Slot Name Signature
Exceptions:
throws java.lang.CloneNotSupportedException
}
SourceFile: "HmacPKCS12PBESHA1.java"