Task: Completed for cryptojs and tests functions and validate keys

src/crypto/core/default.crypto.ts

@@ -0,0 +1,49 @@
+import * as crypto from "crypto"
+import {
+    DEFAULT_AES_ALGORITHM,
+    DEFAULT_BUFFER_TYPE,
+    DEFAULT_ENCODING_TYPE,
+} from "../../config"
+import { bufferToString, stringToBuffer } from "../../util"
+
+const encrypt = (
+    data: string | Buffer,
+    key: string | Buffer,
+    iv?: string | Buffer | null
+): string => {
+    const cipher = crypto.createCipheriv(
+        DEFAULT_AES_ALGORITHM,
+        stringToBuffer(key),
+        stringToBuffer(iv || key)
+    )
+    const _data = bufferToString(data)
+    let encrypted = cipher.update(
+        _data,
+        DEFAULT_ENCODING_TYPE,
+        DEFAULT_BUFFER_TYPE
+    )
+    encrypted += cipher.final(DEFAULT_BUFFER_TYPE)
+    return encrypted
+}
+
+const decrypt = (
+    data: string | Buffer,
+    key: string | Buffer,
+    iv?: string | Buffer | null
+): string => {
+    const decipher = crypto.createDecipheriv(
+        DEFAULT_AES_ALGORITHM,
+        stringToBuffer(key),
+        stringToBuffer(iv || key)
+    )
+    const _data = bufferToString(data)
+    let decrypted = decipher.update(
+        _data,
+        DEFAULT_BUFFER_TYPE,
+        DEFAULT_ENCODING_TYPE
+    )
+    decrypted += decipher.final(DEFAULT_ENCODING_TYPE)
+    return decrypted
+}
+
+export { encrypt, decrypt }

src/crypto/core/e2e.crypto.ts

@@ -0,0 +1,28 @@
+import * as crypto from "crypto"
+
+import { DEFAULT_BUFFER_TYPE, DEFAULT_ENCODING_TYPE } from "../../config"
+import { stringToBuffer } from "../../util"
+
+const encrypt = (data: string | Buffer, privateOrPublicKey: string): string => {
+    const buffer = stringToBuffer(data)
+    const encrypted = crypto.publicEncrypt(privateOrPublicKey, buffer)
+    return encrypted.toString(DEFAULT_BUFFER_TYPE)
+}
+
+const decrypt = (
+    data: string | Buffer,
+    privateKey: string,
+    passphrase?: string | null
+): string => {
+    const buffer = stringToBuffer(data)
+    const decrypted = crypto.privateDecrypt(
+        {
+            key: privateKey,
+            passphrase: passphrase || "",
+        },
+        buffer
+    )
+    return decrypted.toString(DEFAULT_ENCODING_TYPE)
+}
+
+export { encrypt, decrypt }