diff --git a/src/decrypter.js b/src/decrypter.js deleted file mode 100644 index 5e10c70..0000000 --- a/src/decrypter.js +++ /dev/null @@ -1,83 +0,0 @@ -module.exports = (text, key) => { - const KEY_LENGTH = 50; - const ENCRYPTION_SEPARATOR = "."; - - //CHECK FOR INVALID key - if (key.length < KEY_LENGTH) { - return { exitCode: -2 }; - } - - //VARIABLES - var returningText; - var numberBuffer; - var textBuffer = ""; - var textBuffer1 = ""; - - numberBuffer = 1; - - //GET LENGTH OF returningText AND textKeyChain - for (var i = 0; i < text.length; i++) { - if (text[i] == ENCRYPTION_SEPARATOR) numberBuffer++; - } - - //SET LENGTH - returningText = []; - returningText.length = numberBuffer; - var textKeyChain = []; - var encryptedTextKeyChain = []; - textKeyChain.length = encryptedTextKeyChain.length = numberBuffer; - - //LOAD textKeyChain - for (var i = 0; i < textKeyChain.length; i++) { - numberBuffer = i; - - //CHECK, IF numberBuffer ISN'T GREATER THAN KEY_LENGTH AND CUT UNUSED LENGTH - while (numberBuffer >= key.length) { - numberBuffer -= key.length; - } - if (typeof key === 'string') { - key = key.split(""); - key = key.map(element => element.charCodeAt(0)); - } - - //FILL textKeyChain - if ((numberBuffer + 1) % 3 == 0) - { - textKeyChain[i] = key[numberBuffer] * key[numberBuffer + 1]; - } else if ((numberBuffer + 1) % 2 == 0) - { - textKeyChain[i] = key[numberBuffer] - key[numberBuffer + 1]; - } else - { - textKeyChain[i] = key[numberBuffer] + key[numberBuffer + 1]; - } - } - - //LOAD encryptedTextKeyChain - for (var i = 0; i < encryptedTextKeyChain.length; i++) { - numberBuffer = 0; - - textBuffer1 = text.split(ENCRYPTION_SEPARATOR); - - try { - textBuffer = textBuffer1[i]; - encryptedTextKeyChain[i] = parseInt(textBuffer); - } catch (e) { - return { exitCode: -1, error: e }; - } - textBuffer = ""; - } - - //DECRYPT TEXT - for (var i = 0; i < textKeyChain.length; i++) { - textKeyChain[i] -= encryptedTextKeyChain[i]; - } - - //LOAD returningText - for (var i = 0; i < textKeyChain.length; i++) { - returningText[i] = String.fromCharCode(textKeyChain[i]); - } - - returningText = returningText.join(""); - return { exitCode: 0, value: returningText }; - } \ No newline at end of file diff --git a/src/encrypter.js b/src/encrypter.js deleted file mode 100644 index 736ce30..0000000 --- a/src/encrypter.js +++ /dev/null @@ -1,88 +0,0 @@ -module.exports = async (text, key = undefined) => { - const KEY_LENGTH = 50 - const ENCRYPTION_SEPARATOR_STRING = '.'; - const GENERATE_RANDOM_KEY = async (numberBuffer) => { - key = []; - //LOAD KEY - for (var i = 0; i < KEY_LENGTH; i++) { - //SET numberBuffer TO RANDOM NUMBER BETWEEN 0 AND 52 - numberBuffer = await crypto.randomInt(0, 52 + 1); - - //GET CHAR FROM numberBuffer - if (numberBuffer > 26) { - numberBuffer += 70; - } else { - numberBuffer += 64; - } - - key[i] = numberBuffer; - } - } - - //VARIABLES - var keyRand = KEY_LENGTH; - var returningText = new String(); - var textBuffer; - var textKeyChain = []; - textKeyChain.length = text.length; - var numberBuffer; - - if (key < KEY_LENGTH) { - return { exitCode: -2 }; - } - if (!key) { - await GENERATE_RANDOM_KEY(numberBuffer); - } - //LOAD textKeyChain - for (var i = 0; i < textKeyChain.length; i++) { - numberBuffer = i; - - //CHECK, IF numberBuffer ISN'T GREATER THAN KEY_LENGTH AND CUT UNUSED LENGTH - while (numberBuffer >= key.length) - { - numberBuffer -= key.length; - } - - if (typeof key === 'string') { - key = key.split(""); - key = key.map(element => element.charCodeAt(0)); - } - - //FILL textKeyChain - if ((numberBuffer + 1) % 3 == 0) - { - textKeyChain[i] = key[numberBuffer] * key[numberBuffer + 1]; - } else if ((numberBuffer + 1) % 2 == 0) - { - textKeyChain[i] = key[numberBuffer] - key[numberBuffer + 1]; - } else - { - textKeyChain[i] = key[numberBuffer] + key[numberBuffer + 1]; - } - } - - //ACTUALLY ENCRYPT TEXT - for (var i = 0; i < text.length; i++) { - textKeyChain[i] -= text[i].charCodeAt(0); - } - - numberBuffer = 0; - - //LOAD returningText - for (var i = 0; i < textKeyChain.length; i++) { - textBuffer = Math.floor(Math.log10(Math.abs(textKeyChain[i]))); - - textBuffer = textKeyChain[i].toString(); - - returningText += textBuffer; - - if (i != textKeyChain.length - 1) - { - returningText += ENCRYPTION_SEPARATOR_STRING; - } - - textBuffer = undefined; - } - key = key.map(element => String.fromCharCode(element)).join(""); - return { exitCode: 0, value: returningText, key: key }; -} \ No newline at end of file