http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
class org.bouncycastle.pkcs.PKCSUtils
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.pkcs.PKCSUtils
  super_class: java.lang.Object
{
  private static final java.util.Map PRFS_SALT;
    descriptor: Ljava/util/Map;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 14
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
         1: .line 18
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_hmacWithSHA1:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 20
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 19
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_hmacWithSHA256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 32
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 20
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_hmacWithSHA512:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 64
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 21
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_hmacWithSHA224:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 28
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 22
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_hmacWithSHA384:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 48
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 23
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_hmacWithSHA3_224:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 28
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 24
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_hmacWithSHA3_256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 32
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 25
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_hmacWithSHA3_384:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 48
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 26
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_hmacWithSHA3_512:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 64
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        10: .line 27
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            getstatic org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers.gostR3411Hmac:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 32
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        11: .line 28
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.pkcs.PKCSUtils this
         0: .line 12
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.pkcs.PKCSUtils this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/pkcs/PKCSUtils;

  static int getSaltSize(org.bouncycastle.asn1.ASN1ObjectIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)I
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=1, args_size=1
        start local 0 // org.bouncycastle.asn1.ASN1ObjectIdentifier algorithm
         0: .line 32
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            aload 0 /* algorithm */
            invokeinterface java.util.Map.containsKey:(Ljava/lang/Object;)Z
            ifne 2
         1: .line 34
            new java.lang.IllegalStateException
            dup
            new java.lang.StringBuilder
            dup
            ldc "no salt size for algorithm: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* algorithm */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 37
      StackMap locals:
      StackMap stack:
            getstatic org.bouncycastle.pkcs.PKCSUtils.PRFS_SALT:Ljava/util/Map;
            aload 0 /* algorithm */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            invokevirtual java.lang.Integer.intValue:()I
            ireturn
        end local 0 // org.bouncycastle.asn1.ASN1ObjectIdentifier algorithm
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0  algorithm  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
    MethodParameters:
           Name  Flags
      algorithm  
}
SourceFile: "PKCSUtils.java"