Add the simple substitution cipher.

.drone.yaml

@@ -5,6 +5,42 @@ name: default
 steps:
   - name: test
     image: clojure:temurin-11-lein-2.10.0-alpine
+    volumes:
+      - name: package_cache
+        path: /root/.m2/
     commands:
       - lein test
 
+  - name: build
+    image: clojure:temurin-11-lein-2.10.0-alpine
+    volumes:
+      - name: package_cache
+        path: /root/.m2/
+    commands:
+      - lein uberjar
+    when:
+      event: tag
+
+  - name: gitea_release
+    image: plugins/gitea-release
+    settings:
+      api_key:
+        from_secret: API_KEY
+      base_url:
+        from_secret: BASE_URL
+      files:
+        - target/uberjar/*.jar
+      checksum:
+        - md5
+        - sha1
+        - sha256
+        - sha512
+        - adler32
+        - crc32
+    when:
+      event: tag
+
+volumes:
+  - name: package_cache
+    temp: {}
+

CHANGELOG.md

@@ -7,6 +7,76 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.7.2] - 2023-10-21
+
+### Changed
+- Update the CHANGELOG.
+- Update the version.
+- Update the README.
+- Update the CI/CD configuration to publish the artifacts to the release.
+- Update the diffs in the CHANGELOG.
+
+## [0.7.1] - 2023-10-20
+
+### Removed
+- Remove the test for FrequencyAnalyzer.
+- Remove the option for FrequencyAnalyzer.
+
+## [0.7.0] - 2023-10-20
+
+### Changed
+- Refactor to move actions to separated files.
+
+## [0.6.3] - 2023-10-14
+
+### Added
+- Add the IsNonsense interface for FrequencyAnalyzer.
+
+### Changed
+- Update the frequency analyzer.
+
+## [0.6.2] - 2023-10-14
+
+### Added
+- Add the analyzer options and their actions.
+- Add the available ciphers and analyzer for the help.
+- Add validations to check if a cipher or an analyzer is available.
+
+### Changed
+- Refactor to move options to a separated file.
+
+## [0.6.1] - 2023-10-13
+
+### Added
+- Add the function to make a frequency string from a map.
+
+### Fixed
+- Fix the bug that the default language symbols override the symbols.
+
+### Changed
+- Update the FrequencyAnalyzer to use the frequency string instead.
+
+## [0.6.0] - 2023-10-12
+
+### Fixed
+- Fix the typo "frequences" to frequencies.
+
+### Changed
+- Refactor the project structure.
+
+## [0.5.5] - 2023-10-09
+
+### Added
+- Add the Gitlab CI/CD configuration.
+
+## [0.5.4] - 2023-10-05
+
+### Added
+- Add the java source path.
+- Add the Caesar decrypted interface for Java.
+- Add a frequency analyzer as a stub.
+- Add the clojure wrapper for the frequency analizer and its test.
+
 ## [0.5.3] - 2023-10-05
 
 ### Added
@@ -107,7 +177,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Project initialization.
 
-[Unreleased]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.3...main?from_project_id=50218541&straight=false
+[Unreleased]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.7.2...main?from_project_id=50218541&straight=false
+[0.7.2]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.7.1...0.7.2?from_project_id=50218541&straight=false
+[0.7.1]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.7.0...0.7.1?from_project_id=50218541&straight=false
+[0.7.0]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.6.3...0.7.0?from_project_id=50218541&straight=false
+[0.6.3]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.6.2...0.6.3?from_project_id=50218541&straight=false
+[0.6.2]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.6.1...0.6.2?from_project_id=50218541&straight=false
+[0.6.1]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.6.0...0.6.1?from_project_id=50218541&straight=false
+[0.6.0]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.5...0.6.0?from_project_id=50218541&straight=false
+[0.5.5]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.4...0.5.5?from_project_id=50218541&straight=false
+[0.5.4]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.3...0.5.4?from_project_id=50218541&straight=false
 [0.5.3]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.2...0.5.3?from_project_id=50218541&straight=false
 [0.5.2]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.1...0.5.2?from_project_id=50218541&straight=false
 [0.5.1]: https://gitlab.com/KKlochko/cipher-analytical-machine/-/compare/0.5.0...0.5.1?from_project_id=50218541&straight=false

README.md

@@ -11,10 +11,12 @@ Download from https://gitlab.com/KKlochko/cipher-analytical-machine.
 You need install java, before run the application.
 Run the application with a command:
 
-    $ java -jar cipher-analytical-machine-0.1.0-standalone.jar [args]
+    $ java -jar cipher-analytical-machine-VERSION-standalone.jar [args]
+    $ java -jar cipher-analytical-machine-0.7.2-standalone.jar [args]
 
 ## License
 
 Copyright © 2023 Kostiantyn Klochko
 
 Under the GNU Lesser General Public License v3.0 or later.
+

project.clj

@@ -1,4 +1,4 @@
-(defproject cipher-analytical-machine "0.1.0-SNAPSHOT"
+(defproject cipher-analytical-machine "0.7.2"
   :description "A program helps to learn how ciphers works."
   :url "https://gitlab.com/KKlochko/cipher-analytical-machine"
   :license {:name "LGPL"

src/cipher_analytical_machine/ciphers/simple_substitution.clj

@@ -0,0 +1,47 @@
+(ns cipher-analytical-machine.ciphers.simple-substitution
+  (:require [clojure.string :as cs]
+            [clojure.set :as set]
+            [cipher-analytical-machine.ciphers.caesar :as caesar])
+  (:gen-class))
+
+(defn shuffled-numbers
+  "Generate the shuffled order for integer list."
+  [size]
+  (-> size
+      (take (range))
+      (shuffle)))
+
+(defn generate-substitution-table
+  "Generate the map (char, int) for the substittion."
+  [symbols]
+  (->> (count symbols)
+       (shuffled-numbers)
+       (zipmap symbols)))
+
+(defn find-value-in-table
+  "It uses the substitution table to find the value of a char or a number."
+  [char substitution-table symbols]
+  (get substitution-table char))
+
+(defn encrypt-message
+  "Encrypt a message using the simple substitution cipher. The function is case-insensitive. If a symbol isn't in the symbols list, then it will be removed."
+  [message key substitution-table symbols]
+  (let [max-index (count symbols)]
+    (->> message
+         (cs/lower-case)
+         (caesar/encrypt-message key symbols)
+         (map (fn [char] (find-value-in-table char substitution-table symbols)))
+         (cs/join \,))))
+
+(defn decrypt-message
+  "Decrypt a message using the simple substitution cipher. The function is case-insensitive."
+  [message key substitution-table symbols]
+  (let [substitution-table (set/map-invert substitution-table)
+        max-index (count symbols)
+        message (cs/split message #",")]
+      (->> message
+           (map #(Integer/parseInt %))
+           (map (fn [char] (find-value-in-table char substitution-table symbols)))
+           (caesar/encrypt-message key symbols)
+           (cs/join))))
+

test/cipher_analytical_machine/ciphers/simple_substitution_test.clj

@@ -0,0 +1,44 @@
+(ns cipher-analytical-machine.ciphers.simple-substitution
+  (:require
+   [clojure.test :refer :all]
+   [cipher-analytical-machine.ciphers.simple-substitution :refer :all]))
+
+(deftest find-value-in-table-test
+  (let [table {\a 1 \b 2 \c 3}
+        rtable {1 \a 2 \b 3 \c}]
+    (testing "If the symbol is in the table as a key, then the result won't nil."
+      (are [key expected]
+          (= expected (find-value-in-table key table))
+        \a 1
+        \d nil
+        1 nil
+        5 nil))
+
+    (testing "If the digit is in the reversed table as a key, then the result won't nil."
+      (are [key expected]
+          (= expected (find-value-in-table key rtable))
+        \a nil
+        \d nil
+        1 \a
+        5 nil))))
+
+(deftest encrypt-message-text
+  (let [symbols "abc"
+        table {\a 1 \b 2 \c 3}]
+    (testing "The function must encrypt the message and remove unknown symbols."
+      (are [message key expected]
+          (= expected (encrypt-message message key table symbols))
+        "abc" 0 "1,2,3"
+        "abc" 1 "2,3,1"
+        "aDbdc" 0 "1,2,3"))))
+
+(deftest decrypt-message-text
+  (let [symbols "abc"
+        table {\a 1 \b 2 \c 3}]
+    (testing "The function must decrypt the message and remove unknown numbers."
+      (are [message key expected]
+          (= expected (decrypt-message message key table symbols))
+        "1,2,3" 0 "abc"
+        "2,3,1" 1 "abc"
+        "1,12,2,3" 0 "abc"))))
+