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（下） - 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
| 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, concatenateBytes(sname, concatenateBytes(till, concatenateBytes(nonce, etype) ) ) ) ) ) ) ); if (kerberosTicket != null) { msg_type = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 2, getIntegerBytes(12)); sname_string = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 1, getSequenceBytes(getGeneralStringBytes(serverName))); sname_type = getTagAndLengthBytes(ASN1DataTypes.CONTEXT_SPECIFIC, 0, getIntegerBytes(ASN1DataTypes.NT_UNKNOWN)); sprincipalNameSequence = getSequenceBytes( concatenateBytes (sname_type, sname_string) ); sname = getTagAndLengthBytes ( ASN1DataTypes.CONTEXT_SPECIFIC, 3, sprincipalNameSequence ); byte[] req_body_sequence = getSequen |
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