Source Code Cross Referenced for RSAPrivateKey.java in  » Portal » Open-Portal » com » sun » portal » ksecurity » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » Open Portal » com.sun.portal.ksecurity 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         * @(#)RSAPrivateKey.java	1.6 02/07/24 @(#)
03:         *
04:         * Copyright (c) 2000-2001 Sun Microsystems, Inc.  All rights reserved.
05:         * PROPRIETARY/CONFIDENTIAL
06:         * Use is subject to license terms.
07:         */
08:
09:        package com.sun.portal.ksecurity;
10:
11:        /**
12:         * Specifies the RSA private key interface. An RSA key is not ready for
13:         * us until both the modulus and exponent have been set.
14:         */
15:        public abstract interface RSAPrivateKey extends PrivateKey {
16:            /**
17:             * Returns the private exponent value of the key in the specified 
18:             * buffer. The data format is big-endian and right-aligned (the 
19:             * least significant bit is the least significant bit of the last
20:             * byte). 
21:             * @param buf the output buffer where the exponent is placed
22:             * @param offset offset within buf where the exponent starts
23:             * @return byte length of the exponent copied into buf
24:             * @see #setExponent
25:             */
26:            public short getExponent(byte[] buf, short offset);
27:
28:            /**
29:             * Returns the modulus value of the key in the specified buffer. The
30:             * data format is big-endian and right-aligned (the least significant
31:             * bit is the least significant bit of the last byte). 
32:             * @param buf the output buffer where the modulus is placed
33:             * @param offset offset within buf where the modulus starts
34:             * @return byte length of the modulus copied into buf
35:             * @see #setModulus
36:             */
37:            public short getModulus(byte[] buf, short offset);
38:
39:            /**
40:             * Sets the private exponent value of the key. The 
41:             * data format is big-endian and right-aligned (the least significant
42:             * bit is the least significant bit of the last byte). 
43:             * @param buf the input buffer containing the exponent
44:             * @param offset offset within buf where the exponent starts
45:             * @param len exponent length in bytes
46:             * @exception CryptoException with reason code set to ILLEGAL_VALUE
47:             * if the specified exponent data is inconsistent with the key size.
48:             * @see #getExponent
49:             */
50:            public void setExponent(byte[] buf, short offset, short len)
51:                    throws CryptoException;
52:
53:            /**
54:             * Sets the modulus value of the key. The data format is big-endian
55:             * and right-aligned (the least significant bit is the least 
56:             * significant bit of the last byte). 
57:             * @param buf the input buffer containing the modulus
58:             * @param offset offset within buf where the modulus starts
59:             * @param len modulus length in bytes
60:             * @exception CryptoException with reason code set to ILLEGAL_VALUE
61:             * if the specified modulus data is inconsistent with the key size.
62:             * @see #getModulus
63:             */
64:            public void setModulus(byte[] buf, short offset, short len)
65:                    throws CryptoException;
66:
67:            /**
68:             * Checks if this RSAPrivateKey has the same exponent and modulus
69:             * as the specified key. 
70:             * @param k an RSAPrivateKey against which this key is to be compared
71:             * @return true if the two keys have the same exponent and modulus,
72:             * false otherwise
73:             */
74:            public boolean equals(RSAPrivateKey k);
75:        }
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