用Kerberos为J2ME应用程序上锁，第3部分 - 建立与电子银行的安全通信（上） - 编程入门网
作者 佚名技术
来源 NET编程
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发布时间 2012-06-15
| es(new byte[5])); byte generalStringSequence[] = getSequenceBytes ( getGeneralStringBytes (userName)); byte name_string[] = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 1, generalStringSequence); byte name_type[] = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 0, getIntegerBytes(ASN1DataTypes.NT_PRINCIPAL)); byte principalNameSequence [] = getSequenceBytes( concatenateBytes (name_type, name_string)); byte cname[] = getTagAndLengthBytes (ASN1DataTypes.CONTEXT_SPECIFIC, 1, principalNameSequence); byte realm[] = getTagAndLengthBytes (ASN1DataTypes.CONTEXT_SPECIFIC, 2, getGeneralStringBytes (realmName)); byte sgeneralStringSequence[] = concatenateBytes(getGeneralStringBytes(kdcServiceName), getGeneralStringBytes (realmName)); byte sname_string[] = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 1, getSequenceBytes(sgeneralStringSequence)); byte sname_type[] = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 0, getIntegerBytes(ASN1DataTypes.NT_UNKNOWN)); byte sprincipalNameSequence [] = getSequenceBytes (concatenateBytes (sname_type, sname_string)); byte sname[] = getTagAndLengthBytes (ASN1DataTypes.CONTEXT_SPECIFIC, 3, sprincipalNameSequence); byte till[] = getTagAndLengthBytes ( ASN1DataTypes.CONTEXT_SPECIFIC, 5, getGeneralizedTimeBytes ( new String("19700101000000Z").getBytes())); byte nonce[] = getTagAndLengthBytes( ASN1DataTypes.CONTEXT_SPECIFIC, 7, getIntegerBytes (getRandomNumber())); byte etype[] = getTagAndLengthBytes( ASN1DataTypes.CONTEXT_SPECIFIC, 8, getSequenceBytes(getIntegerBytes(3))); byte req_body[] = getTagAndLengthBytes( ASN1DataTypes.CONTEXT_SPECIFIC, 4, getSequenceBytes( concatenateBytes( kdc_options, concatenateBytes( cname, concatenateBytes( realm, concaten |
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