added a hash cli tool

hash-cli/pom.xml

@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.sterl.hash</groupId>
+        <artifactId>hash-root</artifactId>
+        <version>0.1.1-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>hash-cli</artifactId>
+    <name>hash-cli</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.sterl.hash</groupId>
+            <artifactId>hash-lib</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>commons-cli</groupId>
+            <artifactId>commons-cli</artifactId>
+            <version>1.4</version>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <version>2.4.0</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                        <configuration>
+                            <mainClass>org.sterl.hash.HashMain</mainClass>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

hash-cli/src/main/java/org/sterl/hash/HashMain.java

@@ -0,0 +1,57 @@
+package org.sterl.hash;
+
+import java.util.Arrays;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.HelpFormatter;
+import org.apache.commons.cli.Options;
+
+public class HashMain {
+
+    private final static Options options = new Options();
+    static {
+        options.addOption("a", true, "Algrorithmus one of " + Arrays.toString(Algorithm.values()));
+        //options.addOption("m", "method", false, "HTTP method to use.");
+        //options.addOption("p", "payload", false, "String payload to send.");
+        options.addOption("p", "password", true, "Password to hash.");
+        options.addOption("h", "hash", true, "The hash to check the passwort against. Note you may have to escape $ with an \\.");
+    }
+    public static void main(String[] args) {
+        Algorithm algorithm = Algorithm.BCrypt;
+        String password = "";
+        String hash = null;
+
+        if (args.length > 1) {
+            final CommandLineParser parser = new DefaultParser();
+            try {
+                final CommandLine cmd = parser.parse(options, args);
+
+                if (cmd.hasOption('a')) {
+                    algorithm = Algorithm.valueOf(cmd.getOptionValue('a'));
+                }
+                password = cmd.getOptionValue('p');
+
+                if (cmd.hasOption('h')) {
+                    hash = cmd.getOptionValue('h');
+                }
+            } catch (Exception e) {
+                System.out.println(e.getMessage());
+                System.exit(-1);
+            }
+        } else if (args.length == 1) {
+            password = args[0];
+        } else {
+            HelpFormatter formatter = new HelpFormatter();
+            formatter.printHelp("hash-cli", options);
+            System.exit(-1);
+        }
+        if (hash == null) {
+            System.out.println(new BCryptPbkdf2PasswordHash(algorithm).encode(password));
+        } else {
+            System.out.println(new BCryptPbkdf2PasswordHash(algorithm).matches(password, hash));
+        }
+    }
+
+}

pom.xml

@@ -56,6 +56,7 @@
 
     <modules>
         <module>hash-lib</module>
+        <module>hash-cli</module>
         <module>jee-hash-lib</module>
         <module>spring-hash-lib</module>
     </modules>