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  • web2/EJB-EncryptionBean
  • wilsonsf/EJB-EncryptionBean
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Encryption-Bean/.classpath
View file @ 16d61b3d
......@@ -35,9 +35,9 @@
<attribute name="owner.project.facets" value="jst.ejb"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk1.8.0_171-amd64">
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="owner.project.facets" value="java"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
......
Encryption-Bean/pom.xml
View file @ 16d61b3d
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>br.ufrn.imd.web2</groupId>
<artifactId>Encryption-Bean</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>ejb</packaging>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-ejb-plugin</artifactId>
<version>2.5</version>
<configuration>
<ejbVersion>3.2</ejbVersion>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>javax.ejb</groupId>
<artifactId>javax.ejb-api</artifactId>
<version>3.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.11</version>
</dependency>
</dependencies>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>br.ufrn.imd.web2</groupId>
<artifactId>Encryption-Bean</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>ejb</packaging>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-ejb-plugin</artifactId>
<version>2.5</version>
<configuration>
<ejbVersion>3.2</ejbVersion>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<!-- https://mvnrepository.com/artifact/javax/javaee-api -->
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>8.0</version>
</dependency>
<dependency>
<groupId>javax.ejb</groupId>
<artifactId>javax.ejb-api</artifactId>
<version>3.2</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
<version>1.11</version>
</dependency>
</dependencies>
</project>
\ No newline at end of file
Encryption-Bean/src/main/java/br/ufrn/imd/web2/encryption/EncryptionBean.java
View file @ 16d61b3d
package br.ufrn.imd.web2.encryption;
import java.io.UnsupportedEncodingException;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.KeySpec;
import java.util.concurrent.Future;
import java.util.logging.Logger;
......@@ -11,6 +14,7 @@ import java.util.logging.Logger;
import javax.annotation.PostConstruct;
import javax.annotation.Resource;
import javax.crypto.Cipher;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
......@@ -42,7 +46,7 @@ public class EncryptionBean implements EncryptionLocal, EncryptionRemote {
* Name we'll assign to this EJB, will be referenced in the corresponding
* META-INF/ejb-jar.xml file
*/
static final String EJB_NAME = "EncryptionEJB";
static final String EJB_NAME = "EncryptionBean";
/**
* Name of the environment entry representing the ciphers' passphrase supplied
......@@ -141,11 +145,11 @@ public class EncryptionBean implements EncryptionLocal, EncryptionRemote {
/**
* Initializes this service before it may handle requests
*
* @throws Exception
* @throws RuntimeException
* If some unexpected error occurred
*/
@PostConstruct
public void initialize() throws Exception {
public void initialize() {
// Log that we're here
log.info("Initializing, part of " + PostConstruct.class.getName() + " lifecycle");
......@@ -162,14 +166,49 @@ public class EncryptionBean implements EncryptionLocal, EncryptionRemote {
// Obtain key and param spec for the ciphers
final KeySpec ciphersKeySpec = new PBEKeySpec(ciphersPassphrase.toCharArray(), ciphersSalt,
ciphersIterationCount);
final SecretKey ciphersKey = SecretKeyFactory.getInstance(cipherAlgorithm).generateSecret(ciphersKeySpec);
SecretKey ciphersKey;
try {
ciphersKey = SecretKeyFactory.getInstance(cipherAlgorithm).generateSecret(ciphersKeySpec);
} catch (InvalidKeySpecException e1) {
throw new RuntimeException("Could not obtain the " + KeySpec.class.getSimpleName()
+ " for algorithm: " + cipherAlgorithm, e1);
} catch (NoSuchAlgorithmException e1) {
throw new RuntimeException("Could not obtain the " + KeySpec.class.getSimpleName()
+ " for algorithm: " + cipherAlgorithm, e1);
}
final AlgorithmParameterSpec paramSpec = new PBEParameterSpec(ciphersSalt, ciphersIterationCount);
// Create and init the ciphers
this.encryptionCipher = Cipher.getInstance(ciphersKey.getAlgorithm());
this.decryptionCipher = Cipher.getInstance(ciphersKey.getAlgorithm());
encryptionCipher.init(Cipher.ENCRYPT_MODE, ciphersKey, paramSpec);
decryptionCipher.init(Cipher.DECRYPT_MODE, ciphersKey, paramSpec);
try {
this.encryptionCipher = Cipher.getInstance(ciphersKey.getAlgorithm());
this.decryptionCipher = Cipher.getInstance(ciphersKey.getAlgorithm());
} catch (NoSuchAlgorithmException e1) {
throw new RuntimeException("Could not obtain the " + Cipher.class.getSimpleName()
+ " for algorithm: " + ciphersKey.getAlgorithm(), e1);
} catch (NoSuchPaddingException e1) {
throw new RuntimeException("Could not obtain the " + Cipher.class.getSimpleName()
+ " for algorithm: " + ciphersKey.getAlgorithm() + "due to unavailable padding scheme", e1);
}
try {
encryptionCipher.init(Cipher.ENCRYPT_MODE, ciphersKey, paramSpec);
} catch (InvalidKeyException e1) {
throw new RuntimeException("Could not initialize the encryption cipher " + Cipher.class.getSimpleName()
+ " due to invalid encryption key for algorithm: " + ciphersKey.getAlgorithm(), e1);
} catch (InvalidAlgorithmParameterException e1) {
throw new RuntimeException("Could not initialize the " + Cipher.class.getSimpleName()
+ " due to invalid algorithm: " + ciphersKey.getAlgorithm(), e1);
}
try {
decryptionCipher.init(Cipher.DECRYPT_MODE, ciphersKey, paramSpec);
} catch (InvalidKeyException e1) {
throw new RuntimeException("Could not initialize the decription cipher " + Cipher.class.getSimpleName()
+ " due to invalid encryption key for algorithm: " + ciphersKey.getAlgorithm(), e1);
} catch (InvalidAlgorithmParameterException e1) {
throw new RuntimeException("Could not initialize the decription cipher " + Cipher.class.getSimpleName()
+ " due to invalid algorithm: " + ciphersKey.getAlgorithm(), e1);
}
// Log
log.info("Initialized encryption cipher: " + this.encryptionCipher);
......
Encryption-Bean/src/main/resources/META-INF/ejb-jar.xml
View file @ 16d61b3d
......@@ -8,7 +8,7 @@
<enterprise-beans>
<session>
<ejb-name>EncryptionBean</ejb-name>
<env-entry>
<env-entry-name>ciphersPassphrase</env-entry-name>
<env-entry-type>java.lang.String</env-entry-type>
......
Encryption-WebClient/.classpath
View file @ 16d61b3d
......@@ -29,9 +29,9 @@
<attribute name="owner.project.facets" value="jst.web"/>
</attributes>
</classpathentry>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/jdk1.8.0_171-amd64">
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8">
<attributes>
<attribute name="owner.project.facets" value="java"/>
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
......