From 535a04fa05f739ec16dd81666e3b0f82dfbd442d Mon Sep 17 00:00:00 2001 From: tknall Date: Wed, 9 Jan 2013 15:41:29 +0000 Subject: pdf-as-lib maven project files moved to pdf-as-lib git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../pdfas/algorithmSuite/AlgorithmSuiteObject.java | 183 +++++++++++++++++++++ 1 file changed, 183 insertions(+) create mode 100644 pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java (limited to 'pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java') diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java new file mode 100644 index 0000000..a8e19b3 --- /dev/null +++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java @@ -0,0 +1,183 @@ +/** + * Copyright 2006 by Know-Center, Graz, Austria + * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a + * joint initiative of the Federal Chancellery Austria and Graz University of + * Technology. + * + * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by + * the European Commission - subsequent versions of the EUPL (the "Licence"); + * You may not use this work except in compliance with the Licence. + * You may obtain a copy of the Licence at: + * http://www.osor.eu/eupl/ + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the Licence is distributed on an "AS IS" basis, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the Licence for the specific language governing permissions and + * limitations under the Licence. + * + * This product combines work with different licenses. See the "NOTICE" text + * file for details on the various modules and licenses. + * The "NOTICE" text file is part of the distribution. Any derivative works + * that you distribute must include a readable copy of the "NOTICE" text file. + */ +package at.gv.egiz.pdfas.algorithmSuite; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; + +/** + * Defines a used algorithm suite. Contains a {@link #signatureMethod} a + * {@link #dataDigestMethod} a {@link #propertiesDigestMethod} and a + * {@link #certDigestMethod}.
+ * + * This structured object is representing a string like + * ecdsa-sha256:sha256:sha256:ripemd160
+ * meaning + * signatureMethod:dataDigestMethod:propertiesDigestMethod:certDigestMethod + * + * @author dferbas + * + */ +public class AlgorithmSuiteObject { + private static Log log = LogFactory.getLog(AlgorithmSuiteObject.class); + + private String signatureMethod; + private String dataDigestMethod; + private String propertiesDigestMethod; + private String certDigestMethod; + + /** + * Create emtpy algorithm suite object + */ + public AlgorithmSuiteObject() { + + } + + /** + * Create object from parameter string like + * etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff + * Prefix included + * + * @param parameterString + */ + public AlgorithmSuiteObject(String parameterString) { + parseFrom(parameterString, true); + } + + /** + * Create object from parameter string like
+ * etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff hasPrefix=true
+ * ecdsa-sha1:ripemd160@207c44ff hasPrefix=false + * + * + * @param parameterString + * @param hasPrefix parse with/without prefix (e.g. etsi-moc-1.2) + */ + public AlgorithmSuiteObject(String parameterString, boolean hasPrefix) { + parseFrom(parameterString, hasPrefix); + } + + /** + * Initializes object from parameter string like + * etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff hasPrefix=true
+ * ecdsa-sha1:ripemd160@207c44ff hasPrefix=false + * + * @param parameterString + * @param hasPrefix parse with/without prefix (e.g. etsi-moc-1.2) + */ + public void parseFrom(String parameterString, boolean hasPrefix) { + log.debug("parsing algorithmSuite from " + parameterString); + if (parameterString != null) { + parameterString = parameterString.split("@")[0]; + if (!hasPrefix) { + parameterString = "bla:" + parameterString; // fake prefix + } + String[] arr = parameterString.split(":"); + if (arr.length > 1) { + this.signatureMethod = arr[1]; + this.dataDigestMethod = this.propertiesDigestMethod = this.certDigestMethod = AlgorithmMapper + .getHashAbbrFromSuite(arr[1]); + + if (arr.length > 2) { + this.dataDigestMethod = this.propertiesDigestMethod = this.certDigestMethod = arr[2]; + } + if (arr.length > 3) { + this.propertiesDigestMethod = this.certDigestMethod = arr[3]; + } + if (arr.length > 4) { + this.certDigestMethod = arr[4]; + } + log.debug("successfully parsed to: " + this.toString()); + } + } + } + + /** + * Returns if algorithm object is valid specified (values are available) + * + * @return + */ + public boolean isSpecified() { + return this.signatureMethod != null; + } + + /** + * Signature method abbreviation. E.g. rsa-sha1, ecdsa-sha256 + * + * @return + */ + public String getSignatureMethod() { + return this.signatureMethod; + } + + /** + * Digest method for data (document). E.g. sha1, md5 + * + * @return + */ + public String getDataDigestMethod() { + return this.dataDigestMethod; + } + + /** + * Digest method for properties. E.g. sha1, md5 + * + * @return + */ + public String getPropertiesDigestMethod() { + return this.propertiesDigestMethod; + } + + /** + * Digest method for certificate digest. E.g. sha1, md5 + * + * @return + */ + public String getCertDigestMethod() { + return this.certDigestMethod; + } + + public void setSignatureMethod(String signatureMethod) { + this.signatureMethod = signatureMethod; + } + + public void setDataDigestMethod(String dataDigestMethod) { + this.dataDigestMethod = dataDigestMethod; + } + + public void setPropertiesDigestMethod(String propertiesDigestMethod) { + this.propertiesDigestMethod = propertiesDigestMethod; + } + + public void setCertDigestMethod(String certDigestMethod) { + this.certDigestMethod = certDigestMethod; + } + + public String toString() { + return "AlgorithmSuiteObject [certDigestMethod=" + this.certDigestMethod + + ", dataDigestMethod=" + this.dataDigestMethod + ", propertiesDigestMethod=" + + this.propertiesDigestMethod + ", signatureMethod=" + this.signatureMethod + "]"; + } + +} -- cgit v1.2.3