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| author | ferbas <ferbas@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2009-10-27 10:47:09 +0000 |
|---|---|---|
| committer | ferbas <ferbas@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c> | 2009-10-27 10:47:09 +0000 |
| commit | af5d23c30f773e275bfbe630d51fbcc7464ded9b (patch) | |
| tree | 75e61b2aae511855c901e27d96f860916ef342e7 /src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java | |
| parent | 8a16641b47e9908d6362e07244cbad972c3a1730 (diff) | |
| download | pdf-as-3-af5d23c30f773e275bfbe630d51fbcc7464ded9b.tar.gz pdf-as-3-af5d23c30f773e275bfbe630d51fbcc7464ded9b.tar.bz2 pdf-as-3-af5d23c30f773e275bfbe630d51fbcc7464ded9b.zip | |
added support for dynamic algorithm suites / acos04
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@348 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java')
| -rw-r--r-- | src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java b/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java new file mode 100644 index 0000000..d95516e --- /dev/null +++ b/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java @@ -0,0 +1,141 @@ +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}.<br>
+ *
+ * This structured object is representing a string like
+ * <code>ecdsa-sha256:sha256:sha256:ripemd160</code><br>
+ * meaning
+ * <code>signatureMethod:dataDigestMethod:propertiesDigestMethod:certDigestMethod</code>
+ *
+ * @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
+ * <code>etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff</code>
+ *
+ * @param parameterString
+ */
+ public AlgorithmSuiteObject(String parameterString) {
+ parseFrom(parameterString);
+ }
+
+ /**
+ * Initializes object from parameter string like
+ * <code>etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff</code>
+ *
+ * @param parameterString
+ */
+ public void parseFrom(String parameterString) {
+ log.debug("parsing algorithmSuite from " + parameterString);
+ if (parameterString != null) {
+ parameterString = parameterString.split("@")[0];
+ 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 + "]";
+ }
+
+}
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