1 /*
2 * Copyright (c) 2001, 2018, 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
23 * questions.
24 */
25
26 package java.security.spec;
27
28 import java.util.Objects;
29 import java.security.spec.MGF1ParameterSpec;
30
31 /**
32 * This class specifies a parameter spec for RSASSA-PSS signature scheme,
33 * as defined in the
34 * <a href="https://tools.ietf.org/rfc/rfc8017.txt">PKCS#1 v2.2</a> standard.
35 *
36 * <p>Its ASN.1 definition in PKCS#1 standard is described below:
37 * <pre>
38 * RSASSA-PSS-params ::= SEQUENCE {
39 * hashAlgorithm [0] HashAlgorithm DEFAULT sha1,
40 * maskGenAlgorithm [1] MaskGenAlgorithm DEFAULT mgf1SHA1,
41 * saltLength [2] INTEGER DEFAULT 20,
42 * trailerField [3] TrailerField DEFAULT trailerFieldBC(1)
43 * }
44 * </pre>
45 * where
46 * <pre>
47 * HashAlgorithm ::= AlgorithmIdentifier {
48 * {OAEP-PSSDigestAlgorithms}
49 * }
200 return mgfSpec;
201 }
202
203 /**
204 * Returns the salt length in bytes.
205 *
206 * @return the salt length
207 */
208 public int getSaltLength() {
209 return saltLen;
210 }
211
212 /**
213 * Returns the value for the trailer field.
214 *
215 * @return the value for the trailer field
216 * @since 1.5
217 */
218 public int getTrailerField() {
219 return trailerField;
220 }
221 }
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1 /*
2 * Copyright (c) 2001, 2019, 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
23 * questions.
24 */
25
26 package java.security.spec;
27
28 import java.util.Objects;
29
30 /**
31 * This class specifies a parameter spec for RSASSA-PSS signature scheme,
32 * as defined in the
33 * <a href="https://tools.ietf.org/rfc/rfc8017.txt">PKCS#1 v2.2</a> standard.
34 *
35 * <p>Its ASN.1 definition in PKCS#1 standard is described below:
36 * <pre>
37 * RSASSA-PSS-params ::= SEQUENCE {
38 * hashAlgorithm [0] HashAlgorithm DEFAULT sha1,
39 * maskGenAlgorithm [1] MaskGenAlgorithm DEFAULT mgf1SHA1,
40 * saltLength [2] INTEGER DEFAULT 20,
41 * trailerField [3] TrailerField DEFAULT trailerFieldBC(1)
42 * }
43 * </pre>
44 * where
45 * <pre>
46 * HashAlgorithm ::= AlgorithmIdentifier {
47 * {OAEP-PSSDigestAlgorithms}
48 * }
199 return mgfSpec;
200 }
201
202 /**
203 * Returns the salt length in bytes.
204 *
205 * @return the salt length
206 */
207 public int getSaltLength() {
208 return saltLen;
209 }
210
211 /**
212 * Returns the value for the trailer field.
213 *
214 * @return the value for the trailer field
215 * @since 1.5
216 */
217 public int getTrailerField() {
218 return trailerField;
219 }
220
221 @Override
222 public String toString() {
223 StringBuilder sb = new StringBuilder();
224 sb.append("MD: " + mdName + "\n")
225 .append("MGF: " + mgfSpec + "\n")
226 .append("SaltLength: " + saltLen + "\n")
227 .append("TrailerField: " + trailerField + "\n");
228 return sb.toString();
229 }
230 }
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