freedakgmail
27 lines
961 B
TypeScript
27 lines
961 B
TypeScript
import crypto from 'crypto'
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const ENCRYPTION_KEY = process.env.ENCRYPTION_KEY || 'default-32-byte-encryption-key!!'
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const ALGORITHM = 'aes-256-cbc'
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const KEY = Buffer.from(ENCRYPTION_KEY.padEnd(32, '0').slice(0, 32), 'utf8')
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export function encrypt(text: string): string {
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const iv = crypto.randomBytes(16)
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const cipher = crypto.createCipheriv(ALGORITHM, KEY, iv)
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let encrypted = cipher.update(text, 'utf8', 'hex')
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encrypted += cipher.final('hex')
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return iv.toString('hex') + ':' + encrypted
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}
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export function decrypt(encryptedText: string): string {
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const [ivHex, encrypted] = encryptedText.split(':')
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const iv = Buffer.from(ivHex, 'hex')
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const decipher = crypto.createDecipheriv(ALGORITHM, KEY, iv)
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let decrypted = decipher.update(encrypted, 'hex', 'utf8')
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decrypted += decipher.final('utf8')
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return decrypted
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}
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export function sha256(text: string): string {
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return crypto.createHash('sha256').update(text, 'utf8').digest('hex')
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}
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