Adds Affine/Atbash Cipher encryption/decryption
- 3 new operations - Affine Encode, Decode and Atbash Cipher - Added 3 new utils - mod, GCD and modInv
This commit is contained in:
Matt C
parent
35d74980a1
commit
2750be36da
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File diff suppressed because one or more lines are too long
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@ -66,6 +66,9 @@ var Categories = [
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ops: [
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"AES Encrypt",
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"AES Decrypt",
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"Affine Cipher Encode",
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"Affine Cipher Decode",
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"Atbash Cipher",
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"Blowfish Encrypt",
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"Blowfish Decrypt",
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"DES Encrypt",
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@ -20,7 +20,7 @@
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* @property {boolean} [flowControl] - True if the operation is for Flow Control
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* @property {ArgConf[]} [args] - A list of configuration objects for the arguments
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*/
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/**
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* Type definition for an ArgConf.
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@ -800,7 +800,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -847,7 +847,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -894,7 +894,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -941,7 +941,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -988,7 +988,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -1035,7 +1035,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -1130,7 +1130,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -1177,7 +1177,7 @@ var OperationConfig = {
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type: "toggleString",
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value: "",
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toggleValues: Cipher.IO_FORMAT1
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},
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{
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name: "Salt",
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@ -1360,6 +1360,55 @@ var OperationConfig = {
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}
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]
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},
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"Affine Cipher Encode": {
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description: "The affine cipher is a type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using simple mathematical function (ax + b) % 26, and converted back to a letter.",
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run: Cipher.runAffineEnc,
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highlight: true,
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highlightReverse: true,
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inputType: "string",
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outputType: "string",
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args: [
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{
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name: "a",
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type: "number",
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value: Cipher.AFFINE_A
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},
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{
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name: "b",
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type: "number",
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value: Cipher.AFFINE_B
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}
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]
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},
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"Affine Cipher Decode": {
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description: "The affine cipher is a type of monoalphabetic substitution cipher. To decrypt, each letter in an alphabet is mapped to its numeric equivalent, decrypted by a mathematical function, and converted back to a letter.",
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run: Cipher.runAffineDec,
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highlight: true,
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highlightReverse: true,
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inputType: "string",
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outputType: "string",
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args: [
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{
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name: "a",
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type: "number",
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value: Cipher.AFFINE_A
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},
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{
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name: "b",
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type: "number",
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value: Cipher.AFFINE_B
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}
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]
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},
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"Atbash Cipher": {
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description: "Atbash is a mono-alphabetic substitution cipher originally used to encode the Hebrew alphabet. It has been modified here for use with the latin alphabet.",
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run: Cipher.runAtbash,
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highlight: true,
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highlightReverse: true,
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inputType: "string",
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outputType: "string",
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args: []
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},
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"Rotate right": {
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description: "Rotates each byte to the right by the number of bits specified. Currently only supports 8-bit values.",
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run: Rotate.runRotr,
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@ -1724,7 +1773,7 @@ var OperationConfig = {
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type: "boolean",
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value: StrUtils.FIND_REPLACE_MULTILINE,
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},
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]
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},
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"To Upper case": {
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@ -178,10 +178,10 @@ var Utils = {
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if (window && window.app && !window.app.options.treatAsUtf8) {
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str = Utils.byteArrayToChars(Utils.strToByteArray(str));
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}
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var re = /[\0-\x08\x0B-\x0C\x0E-\x1F\x7F-\x9F\xAD\u0378\u0379\u037F-\u0383\u038B\u038D\u03A2\u0528-\u0530\u0557\u0558\u0560\u0588\u058B-\u058E\u0590\u05C8-\u05CF\u05EB-\u05EF\u05F5-\u0605\u061C\u061D\u06DD\u070E\u070F\u074B\u074C\u07B2-\u07BF\u07FB-\u07FF\u082E\u082F\u083F\u085C\u085D\u085F-\u089F\u08A1\u08AD-\u08E3\u08FF\u0978\u0980\u0984\u098D\u098E\u0991\u0992\u09A9\u09B1\u09B3-\u09B5\u09BA\u09BB\u09C5\u09C6\u09C9\u09CA\u09CF-\u09D6\u09D8-\u09DB\u09DE\u09E4\u09E5\u09FC-\u0A00\u0A04\u0A0B-\u0A0E\u0A11\u0A12\u0A29\u0A31\u0A34\u0A37\u0A3A\u0A3B\u0A3D\u0A43-\u0A46\u0A49\u0A4A\u0A4E-\u0A50\u0A52-\u0A58\u0A5D\u0A5F-\u0A65\u0A76-\u0A80\u0A84\u0A8E\u0A92\u0AA9\u0AB1\u0AB4\u0ABA\u0ABB\u0AC6\u0ACA\u0ACE\u0ACF\u0AD1-\u0ADF\u0AE4\u0AE5\u0AF2-\u0B00\u0B04\u0B0D\u0B0E\u0B11\u0B12\u0B29\u0B31\u0B34\u0B3A\u0B3B\u0B45\u0B46\u0B49\u0B4A\u0B4E-\u0B55\u0B58-\u0B5B\u0B5E\u0B64\u0B65\u0B78-\u0B81\u0B84\u0B8B-\u0B8D\u0B91\u0B96-\u0B98\u0B9B\u0B9D\u0BA0-\u0BA2\u0BA5-\u0BA7\u0BAB-\u0BAD\u0BBA-\u0BBD\u0BC3-\u0BC5\u0BC9\u0BCE\u0BCF\u0BD1-\u0BD6\u0BD8-\u0BE5\u0BFB-\u0C00\u0C04\u0C0D\u0C11\u0C29\u0C34\u0C3A-\u0C3C\u0C45\u0C49\u0C4E-\u0C54\u0C57\u0C5A-\u0C5F\u0C64\u0C65\u0C70-\u0C77\u0C80\u0C81\u0C84\u0C8D\u0C91\u0CA9\u0CB4\u0CBA\u0CBB\u0CC5\u0CC9\u0CCE-\u0CD4\u0CD7-\u0CDD\u0CDF\u0CE4\u0CE5\u0CF0\u0CF3-\u0D01\u0D04\u0D0D\u0D11\u0D3B\u0D3C\u0D45\u0D49\u0D4F-\u0D56\u0D58-\u0D5F\u0D64\u0D65\u0D76-\u0D78\u0D80\u0D81\u0D84\u0D97-\u0D99\u0DB2\u0DBC\u0DBE\u0DBF\u0DC7-\u0DC9\u0DCB-\u0DCE\u0DD5\u0DD7\u0DE0-\u0DF1\u0DF5-\u0E00\u0E3B-\u0E3E\u0E5C-\u0E80\u0E83\u0E85\u0E86\u0E89\u0E8B\u0E8C\u0E8E-\u0E93\u0E98\u0EA0\u0EA4\u0EA6\u0EA8\u0EA9\u0EAC\u0EBA\u0EBE\u0EBF\u0EC5\u0EC7\u0ECE\u0ECF\u0EDA\u0EDB\u0EE0-\u0EFF\u0F48\u0F6D-\u0F70\u0F98\u0FBD\u0FCD\u0FDB-\u0FFF\u10C6\u10C8-\u10CC\u10CE\u10CF\u1249\u124E\u124F\u1257\u1259\u125E\u125F\u1289\u128E\u128F\u12B1\u12B6\u12B7\u12BF\u12C1\u12C6\u12C7\u12D7\u1311\u1316\u1317\u135B\u135C\u137D-\u137F\u139A-\u139F\u13F5-\u13FF\u169D-\u169F\u16F1-\u16FF\u170D\u1715-\u171F\u1737-\u173F\u1754-\u175F\u176D\u1771\u1774-\u177F\u17DE\u17DF\u17EA-\u17EF\u17FA-\u17FF\u180F\u181A-\u181F\u1878-\u187F\u18AB-\u18AF\u18F6-\u18FF\u191D-\u191F\u192C-\u192F\u193C-\u193F\u1941-\u1943\u196E\u196F\u1975-\u197F\u19AC-\u19AF\u19CA-\u19CF\u19DB-\u19DD\u1A1C\u1A1D\u1A5F\u1A7D\u1A7E\u1A8A-\u1A8F\u1A9A-\u1A9F\u1AAE-\u1AFF\u1B4C-\u1B4F\u1B7D-\u1B7F\u1BF4-\u1BFB\u1C38-\u1C3A\u1C4A-\u1C4C\u1C80-\u1CBF\u1CC8-\u1CCF\u1CF7-\u1CFF\u1DE7-\u1DFB\u1F16\u1F17\u1F1E\u1F1F\u1F46\u1F47\u1F4E\u1F4F\u1F58\u1F5A\u1F5C\u1F5E\u1F7E\u1F7F\u1FB5\u1FC5\u1FD4\u1FD5\u1FDC\u1FF0\u1FF1\u1FF5\u1FFF\u200B-\u200F\u202A-\u202E\u2060-\u206F\u2072\u2073\u208F\u209D-\u209F\u20BB-\u20CF\u20F1-\u20FF\u218A-\u218F\u23F4-\u23FF\u2427-\u243F\u244B-\u245F\u2700\u2B4D-\u2B4F\u2B5A-\u2BFF\u2C2F\u2C5F\u2CF4-\u2CF8\u2D26\u2D28-\u2D2C\u2D2E\u2D2F\u2D68-\u2D6E\u2D71-\u2D7E\u2D97-\u2D9F\u2DA7\u2DAF\u2DB7\u2DBF\u2DC7\u2DCF\u2DD7\u2DDF\u2E3C-\u2E7F\u2E9A\u2EF4-\u2EFF\u2FD6-\u2FEF\u2FFC-\u2FFF\u3040\u3097\u3098\u3100-\u3104\u312E-\u3130\u318F\u31BB-\u31BF\u31E4-\u31EF\u321F\u32FF\u4DB6-\u4DBF\u9FCD-\u9FFF\uA48D-\uA48F\uA4C7-\uA4CF\uA62C-\uA63F\uA698-\uA69E\uA6F8-\uA6FF\uA78F\uA794-\uA79F\uA7AB-\uA7F7\uA82C-\uA82F\uA83A-\uA83F\uA878-\uA87F\uA8C5-\uA8CD\uA8DA-\uA8DF\uA8FC-\uA8FF\uA954-\uA95E\uA97D-\uA97F\uA9CE\uA9DA-\uA9DD\uA9E0-\uA9FF\uAA37-\uAA3F\uAA4E\uAA4F\uAA5A\uAA5B\uAA7C-\uAA7F\uAAC3-\uAADA\uAAF7-\uAB00\uAB07\uAB08\uAB0F\uAB10\uAB17-\uAB1F\uAB27\uAB2F-\uABBF\uABEE\uABEF\uABFA-\uABFF\uD7A4-\uD7AF\uD7C7-\uD7CA\uD7FC-\uF8FF\uFA6E\uFA6F\uFADA-\uFAFF\uFB07-\uFB12\uFB18-\uFB1C\uFB37\uFB3D\uFB3F\uFB42\uFB45\uFBC2-\uFBD2\uFD40-\uFD4F\uFD90\uFD91\uFDC8-\uFDEF\uFDFE\uFDFF\uFE1A-\uFE1F\uFE27-\uFE2F\uFE53\uFE67\uFE6C-\uFE6F\uFE75\uFEFD-\uFF00\uFFBF-\uFFC1\uFFC8\uFFC9\uFFD0\uFFD1\uFFD8\uFFD9\uFFDD-\uFFDF\uFFE7\uFFEF-\uFFFB\uFFFE\uFFFF]/g;
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var wsRe = /[\x09-\x10\x0D\u2028\u2029]/g;
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str = str.replace(re, ".");
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if (!preserveWs) str = str.replace(wsRe, ".");
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return str;
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@ -240,14 +240,14 @@ var Utils = {
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*/
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expandAlphRange: function(alphStr) {
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var alphArr = [];
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for (var i = 0; i < alphStr.length; i++) {
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if (i < alphStr.length - 2 &&
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alphStr[i+1] === "-" &&
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alphStr[i] !== "\\") {
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var start = Utils.ord(alphStr[i]),
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end = Utils.ord(alphStr[i+2]);
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for (var j = start; j <= end; j++) {
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alphArr.push(Utils.chr(j));
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}
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@ -402,7 +402,7 @@ var Utils = {
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}
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var wordArray = new CryptoJS.lib.WordArray.init(words, byteArray.length),
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str = CryptoJS.enc.Utf8.stringify(wordArray);
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if (str.length !== wordArray.sigBytes)
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window.app.options.attemptHighlight = false;
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return str;
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@ -434,8 +434,8 @@ var Utils = {
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}
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return str;
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},
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/**
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* Converts a CryptoJS.lib.WordArray to a byteArray.
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*
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@ -448,14 +448,14 @@ var Utils = {
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*/
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wordArrayToByteArray: function(wordArray) {
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if (wordArray.sigBytes <= 0) return [];
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var words = wordArray.words,
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byteArray = [];
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for (var i = 0; i < wordArray.sigBytes; i++) {
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byteArray.push((words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff);
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}
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return byteArray;
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},
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@ -532,7 +532,7 @@ var Utils = {
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139: 8249, 155: 8250, 136: 8364, 185: 8470, 153: 8482
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},
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/**
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* Converts a Unicode string to Windows-1251 encoding
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*
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@ -545,14 +545,14 @@ var Utils = {
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*/
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unicodeToWin1251: function(unicStr) {
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var res = [];
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for (var i = 0; i < unicStr.length; i++) {
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var ord = unicStr.charCodeAt(i);
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if (!(ord in Utils.UNIC_WIN1251_MAP))
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throw "Character '" + unicStr.charAt(i) + "' isn't supported by Windows-1251";
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res.push(String.fromCharCode(Utils.UNIC_WIN1251_MAP[ord]));
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}
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return res.join("");
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},
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@ -569,14 +569,14 @@ var Utils = {
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*/
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win1251ToUnicode: function(win1251Str) {
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var res = [];
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for (var i = 0; i < win1251Str.length; i++) {
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var ord = win1251Str.charCodeAt(i);
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if (!(ord in Utils.WIN1251_UNIC_MAP))
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throw "Character '" + win1251Str.charAt(i) + "' isn't supported by Windows-1251";
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res.push(String.fromCharCode(Utils.WIN1251_UNIC_MAP[ord]));
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}
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return res.join("");
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},
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@ -600,7 +600,7 @@ var Utils = {
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if (typeof data == "string") {
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data = Utils.strToByteArray(data);
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}
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alphabet = alphabet ?
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Utils.expandAlphRange(alphabet).join("") :
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
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@ -651,22 +651,22 @@ var Utils = {
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*/
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fromBase64: function(data, alphabet, returnType, removeNonAlphChars) {
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returnType = returnType || "string";
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if (!data) {
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return returnType === "string" ? "" : [];
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}
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alphabet = alphabet ?
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Utils.expandAlphRange(alphabet).join("") :
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
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if (removeNonAlphChars === undefined)
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removeNonAlphChars = true;
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var output = [],
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chr1, chr2, chr3,
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enc1, enc2, enc3, enc4,
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i = 0;
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if (removeNonAlphChars) {
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var re = new RegExp("[^" + alphabet.replace(/[\[\]\\\-^$]/g, "\\$&") + "]", "g");
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data = data.replace(re, "");
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@ -677,7 +677,7 @@ var Utils = {
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enc2 = alphabet.indexOf(data.charAt(i++) || "=");
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enc3 = alphabet.indexOf(data.charAt(i++) || "=");
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enc4 = alphabet.indexOf(data.charAt(i++) || "=");
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enc2 = enc2 === -1 ? 64 : enc2;
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enc3 = enc3 === -1 ? 64 : enc3;
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enc4 = enc4 === -1 ? 64 : enc4;
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@ -695,7 +695,7 @@ var Utils = {
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output.push(chr3);
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}
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}
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return returnType === "string" ? Utils.byteArrayToUtf8(output) : output;
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},
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@ -717,26 +717,26 @@ var Utils = {
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*/
|
||||
toHex: function(data, delim, padding) {
|
||||
if (!data) return "";
|
||||
|
||||
|
||||
delim = typeof delim == "string" ? delim : " ";
|
||||
padding = padding || 2;
|
||||
var output = "";
|
||||
|
||||
|
||||
for (var i = 0; i < data.length; i++) {
|
||||
output += Utils.pad(data[i].toString(16), padding) + delim;
|
||||
}
|
||||
|
||||
|
||||
// Add \x or 0x to beginning
|
||||
if (delim === "0x") output = "0x" + output;
|
||||
if (delim === "\\x") output = "\\x" + output;
|
||||
|
||||
|
||||
if (delim.length)
|
||||
return output.slice(0, -delim.length);
|
||||
else
|
||||
return output;
|
||||
},
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Convert a byte array into a hex string as efficiently as possible with no options.
|
||||
*
|
||||
|
|
@ -749,14 +749,14 @@ var Utils = {
|
|||
*/
|
||||
toHexFast: function(data) {
|
||||
if (!data) return "";
|
||||
|
||||
|
||||
var output = [];
|
||||
|
||||
|
||||
for (var i = 0; i < data.length; i++) {
|
||||
output.push((data[i] >>> 4).toString(16));
|
||||
output.push((data[i] & 0x0f).toString(16));
|
||||
}
|
||||
|
||||
|
||||
return output.join("");
|
||||
},
|
||||
|
||||
|
|
@ -783,15 +783,15 @@ var Utils = {
|
|||
var delimRegex = Utils.regexRep[delim];
|
||||
data = data.replace(delimRegex, "");
|
||||
}
|
||||
|
||||
|
||||
var output = [];
|
||||
for (var i = 0; i < data.length; i += byteLen) {
|
||||
output.push(parseInt(data.substr(i, byteLen), 16));
|
||||
}
|
||||
return output;
|
||||
},
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Parses CSV data and returns it as a two dimensional array or strings.
|
||||
*
|
||||
|
|
@ -803,14 +803,14 @@ var Utils = {
|
|||
* Utils.parseCSV("head1,head2\ndata1,data2");
|
||||
*/
|
||||
parseCSV: function(data) {
|
||||
|
||||
|
||||
var b,
|
||||
ignoreNext = false,
|
||||
inString = false,
|
||||
cell = "",
|
||||
line = [],
|
||||
lines = [];
|
||||
|
||||
|
||||
for (var i = 0; i < data.length; i++) {
|
||||
b = data[i];
|
||||
if (ignoreNext) {
|
||||
|
|
@ -835,12 +835,12 @@ var Utils = {
|
|||
cell += b;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
if (line.length) {
|
||||
line.push(cell);
|
||||
lines.push(line);
|
||||
}
|
||||
|
||||
|
||||
return lines;
|
||||
},
|
||||
|
||||
|
|
@ -912,8 +912,8 @@ var Utils = {
|
|||
fuzzyTime: function(ms) {
|
||||
return moment.duration(ms, "milliseconds").humanize();
|
||||
},
|
||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Adds the properties of one Object to another.
|
||||
*
|
||||
|
|
@ -927,7 +927,37 @@ var Utils = {
|
|||
a[key] = b[key];
|
||||
return a;
|
||||
},
|
||||
/**
|
||||
* Actual modulo function, since % is actually the remainder function in JS
|
||||
* @author Matt C [matt@artemisbot.pw]
|
||||
* @param {number} x
|
||||
* @param {number} y
|
||||
*/
|
||||
mod: function (x, y) {
|
||||
return ((x % y) + y) % y;
|
||||
},
|
||||
|
||||
/**
|
||||
* Finds GCD of two numbers
|
||||
* @author Matt C [matt@artemisbot.pw]
|
||||
* @param {number} x
|
||||
* @param {number} y
|
||||
*/
|
||||
gcd: function(x, y) {
|
||||
if (!y) {
|
||||
return x;
|
||||
}
|
||||
return Utils.gcd(y, x % y);
|
||||
},
|
||||
|
||||
modInv: function(x, y) {
|
||||
x %= y;
|
||||
for (var i = 1; i < y; i++) {
|
||||
if ((x * i) % 26 === 1) {
|
||||
return i;
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* A mapping of names of delimiter characters to their symbols.
|
||||
|
|
@ -980,7 +1010,7 @@ var Utils = {
|
|||
"UTF16BE": CryptoJS.enc.Utf16BE,
|
||||
"Latin1": CryptoJS.enc.Latin1,
|
||||
},
|
||||
|
||||
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -1137,7 +1167,7 @@ String.prototype.count = function(chr) {
|
|||
CryptoJS.enc.Hex.parse = function (hexStr) {
|
||||
// Remove whitespace
|
||||
hexStr = hexStr.replace(/\s/g, "");
|
||||
|
||||
|
||||
// Shortcut
|
||||
var hexStrLength = hexStr.length;
|
||||
|
||||
|
|
|
|||
|
|
@ -385,7 +385,6 @@ var Cipher = {
|
|||
return encrypted.ciphertext.toString(Utils.format[args[2]]);
|
||||
},
|
||||
|
||||
|
||||
/**
|
||||
* Vigenère Encode operation.
|
||||
*
|
||||
|
|
@ -475,6 +474,89 @@ var Cipher = {
|
|||
return output;
|
||||
},
|
||||
|
||||
/**
|
||||
* @constant
|
||||
* @default
|
||||
*/
|
||||
AFFINE_A: 1,
|
||||
/**
|
||||
* @constant
|
||||
* @default
|
||||
*/
|
||||
AFFINE_B: 0,
|
||||
/**
|
||||
* Affine Cipher Encode operation.
|
||||
*
|
||||
* @author Matt C [matt@artemisbot.pw]
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runAffineEnc: function (input, args) {
|
||||
var alphabet = "abcdefghijklmnopqrstuvwxyz",
|
||||
a = args[0],
|
||||
b = args[1],
|
||||
output = "";
|
||||
if (!/^\+?(0|[1-9]\d*)$/.test(a) || !/^\+?(0|[1-9]\d*)$/.test(b)) return "The values of a and b can only be integers.";
|
||||
for (var i = 0; i < input.length; i++) {
|
||||
if (alphabet.indexOf(input[i]) >= 0) {
|
||||
// Uses the affine function ax+b % m = y (where m is length of the alphabet)
|
||||
output += alphabet[((a * alphabet.indexOf(input[i])) + b) % 26];
|
||||
} else if (alphabet.indexOf(input[i].toLowerCase()) >= 0) {
|
||||
// Same as above, accounting for uppercase
|
||||
output += alphabet[((a * alphabet.indexOf(input[i].toLowerCase())) + b) % 26].toUpperCase();
|
||||
} else {
|
||||
// Non-alphabetic characters
|
||||
output += input[i];
|
||||
}
|
||||
}
|
||||
return output;
|
||||
},
|
||||
|
||||
/**
|
||||
* Affine Cipher Encode operation.
|
||||
*
|
||||
* @author Matt C [matt@artemisbot.pw]
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runAffineDec: function (input, args) {
|
||||
var alphabet = "abcdefghijklmnopqrstuvwxyz",
|
||||
a = args[0],
|
||||
b = args[1],
|
||||
output = "",
|
||||
aModInv;
|
||||
if (!/^\+?(0|[1-9]\d*)$/.test(a) || !/^\+?(0|[1-9]\d*)$/.test(b)) return "The values of a and b can only be integers.";
|
||||
if (Utils.gcd(a, 26) !== 1) return "The value of a must be coprime to 26.";
|
||||
// Calculates modular inverse of a
|
||||
aModInv = Utils.modInv(a, 26);
|
||||
for (var i = 0; i < input.length; i++) {
|
||||
if (alphabet.indexOf(input[i]) >= 0) {
|
||||
// Uses the affine decode function (y-b * A') % m = x (where m is length of the alphabet and A' is modular inverse)
|
||||
output += alphabet[Utils.mod((alphabet.indexOf(input[i]) - b) * aModInv, 26)];
|
||||
} else if (alphabet.indexOf(input[i].toLowerCase()) >= 0) {
|
||||
// Same as above, accounting for uppercase
|
||||
output += alphabet[Utils.mod((alphabet.indexOf(input[i].toLowerCase()) - b) * aModInv, 26)].toUpperCase();
|
||||
} else {
|
||||
// Non-alphabetic characters
|
||||
output += input[i];
|
||||
}
|
||||
}
|
||||
return output;
|
||||
},
|
||||
|
||||
/**
|
||||
* Atbash Cipher Encode operation.
|
||||
*
|
||||
* @author Matt C [matt@artemisbot.pw]
|
||||
* @param {string} input
|
||||
* @param {Object[]} args
|
||||
* @returns {string}
|
||||
*/
|
||||
runAtbash: function (input, args) {
|
||||
return Cipher.runAffineEnc(input, [25, 25]);
|
||||
},
|
||||
|
||||
/**
|
||||
* @constant
|
||||
|
|
|
|||
|
|
@ -1,9 +1,9 @@
|
|||
212 source files
|
||||
115060 lines
|
||||
211 source files
|
||||
115224 lines
|
||||
4.3M size
|
||||
|
||||
142 JavaScript source files
|
||||
105900 lines
|
||||
106064 lines
|
||||
3.8M size
|
||||
|
||||
83 third party JavaScript source files
|
||||
|
|
@ -11,11 +11,11 @@
|
|||
3.0M size
|
||||
|
||||
59 first party JavaScript source files
|
||||
19642 lines
|
||||
740K size
|
||||
19806 lines
|
||||
748K size
|
||||
|
||||
3.4M uncompressed JavaScript size
|
||||
3.5M uncompressed JavaScript size
|
||||
1.9M compressed JavaScript size
|
||||
|
||||
15 categories
|
||||
167 operations
|
||||
170 operations
|
||||
|
|
|
|||
Loading…
Reference in a new issue