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.cert.selector.MSOutlookKeyIdCalculator
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator this
         0: .line 9
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cert/selector/MSOutlookKeyIdCalculator;

  static byte[] calculateKeyId(org.bouncycastle.asn1.x509.SubjectPublicKeyInfo);
    descriptor: (Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;)[B
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=4, args_size=1
        start local 0 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
         0: .line 16
            new org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest
            dup
            invokespecial org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest.<init>:()V
            astore 1 /* dig */
        start local 1 // org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest dig
         1: .line 17
            aload 1 /* dig */
            invokevirtual org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest.getDigestSize:()I
            newarray 8
            astore 2 /* hash */
        start local 2 // byte[] hash
         2: .line 18
            iconst_0
            newarray 8
            astore 3 /* spkiEnc */
        start local 3 // byte[] spkiEnc
         3: .line 21
            aload 0 /* info */
            ldc "DER"
            invokevirtual org.bouncycastle.asn1.x509.SubjectPublicKeyInfo.getEncoded:(Ljava/lang/String;)[B
            astore 3 /* spkiEnc */
         4: .line 22
            goto 7
         5: .line 23
      StackMap locals: org.bouncycastle.asn1.x509.SubjectPublicKeyInfo org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest byte[] byte[]
      StackMap stack: java.io.IOException
            pop
         6: .line 25
            iconst_0
            newarray 8
            areturn
         7: .line 29
      StackMap locals:
      StackMap stack:
            aload 1 /* dig */
            aload 3 /* spkiEnc */
            iconst_0
            aload 3 /* spkiEnc */
            arraylength
            invokevirtual org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest.update:([BII)V
         8: .line 31
            aload 1 /* dig */
            aload 2 /* hash */
            iconst_0
            invokevirtual org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest.doFinal:([BI)I
            pop
         9: .line 33
            aload 2 /* hash */
            areturn
        end local 3 // byte[] spkiEnc
        end local 2 // byte[] hash
        end local 1 // org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest dig
        end local 0 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo info
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   10     0     info  Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
            1   10     1      dig  Lorg/bouncycastle/cert/selector/MSOutlookKeyIdCalculator$SHA1Digest;
            2   10     2     hash  [B
            3   10     3  spkiEnc  [B
      Exception table:
        from    to  target  type
           3     4       5  Class java.io.IOException
    MethodParameters:
      Name  Flags
      info  
}
SourceFile: "MSOutlookKeyIdCalculator.java"
NestMembers:
  org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$GeneralDigest  org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest
InnerClasses:
  private abstract GeneralDigest = org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$GeneralDigest of org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator
  private SHA1Digest = org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator$SHA1Digest of org.bouncycastle.cert.selector.MSOutlookKeyIdCalculator