39 lines
925 B
TypeScript
39 lines
925 B
TypeScript
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import crypto from 'crypto'
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interface Payload {
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iv: string;
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cr: string; // Encrypted data
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}
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// Generate a random 256-bit key on startup
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const key = crypto.randomBytes(32)
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const algorithm = 'aes-256-cbc'
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export function encrypt (text: string): Payload {
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try {
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const ivBuf = crypto.randomBytes(16)
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const cipher = crypto.createCipheriv(algorithm, Buffer.from(key), ivBuf)
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let encrypted = cipher.update(text, 'utf8', 'hex')
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encrypted += cipher.final('hex')
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return {
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iv: ivBuf.toString('hex'),
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cr: encrypted
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}
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} catch (e) { }
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return {
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cr: '',
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iv: ''
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}
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}
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export function decrypt (payload: Payload) {
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try {
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const decipher = crypto.createDecipheriv(algorithm, Buffer.from(key), Buffer.from(payload.iv, 'hex'))
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let decrypted = decipher.update(payload.cr, 'hex', 'utf8')
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decrypted += decipher.final('utf8')
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return decrypted
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} catch (e) { }
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return ''
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}
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