1 /*
2 * Copyright (c) 2001, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
30
31 /**
32 * This class specifies a parameter spec for RSA-PSS signature scheme,
33 * as defined in the
34 * <a href="http://www.ietf.org/rfc/rfc3447.txt">PKCS#1 v2.1</a>
35 * standard.
36 *
37 * <p>Its ASN.1 definition in PKCS#1 standard is described below:
38 * <pre>
39 * RSASSA-PSS-params ::= SEQUENCE {
40 * hashAlgorithm [0] OAEP-PSSDigestAlgorithms DEFAULT sha1,
41 * maskGenAlgorithm [1] PKCS1MGFAlgorithms DEFAULT mgf1SHA1,
42 * saltLength [2] INTEGER DEFAULT 20,
43 * trailerField [3] INTEGER DEFAULT 1
44 * }
45 * </pre>
46 * where
47 * <pre>
48 * OAEP-PSSDigestAlgorithms ALGORITHM-IDENTIFIER ::= {
49 * { OID id-sha1 PARAMETERS NULL }|
50 * { OID id-sha256 PARAMETERS NULL }|
51 * { OID id-sha384 PARAMETERS NULL }|
52 * { OID id-sha512 PARAMETERS NULL },
53 * ... -- Allows for future expansion --
54 * }
55 *
56 * PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= {
57 * { OID id-mgf1 PARAMETERS OAEP-PSSDigestAlgorithms },
58 * ... -- Allows for future expansion --
59 * }
60 * </pre>
61 * <p>Note: the PSSParameterSpec.DEFAULT uses the following:
62 * message digest -- "SHA-1"
63 * mask generation function (mgf) -- "MGF1"
64 * parameters for mgf -- MGF1ParameterSpec.SHA1
65 * SaltLength -- 20
66 * TrailerField -- 1
67 *
68 * @see MGF1ParameterSpec
69 * @see AlgorithmParameterSpec
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1 /*
2 * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
30
31 /**
32 * This class specifies a parameter spec for RSA-PSS signature scheme,
33 * as defined in the
34 * <a href="http://www.ietf.org/rfc/rfc3447.txt">PKCS#1 v2.1</a>
35 * standard.
36 *
37 * <p>Its ASN.1 definition in PKCS#1 standard is described below:
38 * <pre>
39 * RSASSA-PSS-params ::= SEQUENCE {
40 * hashAlgorithm [0] OAEP-PSSDigestAlgorithms DEFAULT sha1,
41 * maskGenAlgorithm [1] PKCS1MGFAlgorithms DEFAULT mgf1SHA1,
42 * saltLength [2] INTEGER DEFAULT 20,
43 * trailerField [3] INTEGER DEFAULT 1
44 * }
45 * </pre>
46 * where
47 * <pre>
48 * OAEP-PSSDigestAlgorithms ALGORITHM-IDENTIFIER ::= {
49 * { OID id-sha1 PARAMETERS NULL }|
50 * { OID id-sha224 PARAMETERS NULL }|
51 * { OID id-sha256 PARAMETERS NULL }|
52 * { OID id-sha384 PARAMETERS NULL }|
53 * { OID id-sha512 PARAMETERS NULL },
54 * ... -- Allows for future expansion --
55 * }
56 *
57 * PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= {
58 * { OID id-mgf1 PARAMETERS OAEP-PSSDigestAlgorithms },
59 * ... -- Allows for future expansion --
60 * }
61 * </pre>
62 * <p>Note: the PSSParameterSpec.DEFAULT uses the following:
63 * message digest -- "SHA-1"
64 * mask generation function (mgf) -- "MGF1"
65 * parameters for mgf -- MGF1ParameterSpec.SHA1
66 * SaltLength -- 20
67 * TrailerField -- 1
68 *
69 * @see MGF1ParameterSpec
70 * @see AlgorithmParameterSpec
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