· 6 years ago · May 09, 2019, 11:32 AM
1headerHash = base64UrlEncode(header)
2payloadHash = base64UrlEncode(payload)
3signatureHash = base64UrlEncode(hmacSha256(headerHash + "." + payloadHash, secretKey))
4
5jwt = headerHash + '.' + payloadHash + '.' + signatureHash