Requires Apache Commons Codec
Usage:
$ javac ./CRC_Example.java -cp ./commons-codec-1.10/commons-codec-1.10.jar
$ java -cp .:./commons-codec-1.10/commons-codec-1.10.jar CRC_Example
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Java snippet to generate Twitter Webhooks CRC response
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| import javax.crypto.Mac; | |
| import javax.crypto.spec.SecretKeySpec; | |
| import org.apache.commons.codec.binary.Base64; | |
| public class CRC_Example { | |
| public static void main(String[] args) { | |
| try { | |
| String consumer_secret = "secret"; | |
| String crc_token = "Message"; | |
| Mac sha256_HMAC = Mac.getInstance("HmacSHA256"); | |
| SecretKeySpec secret_key = new SecretKeySpec(consumer_secret.getBytes("UTF-8"), "HmacSHA256"); | |
| sha256_HMAC.init(secret_key); | |
| String hash = Base64.encodeBase64String(sha256_HMAC.doFinal(crc_token.getBytes("UTF-8"))); | |
| System.out.println("sha256=" + hash); | |
| } | |
| catch (Exception e){ | |
| System.out.println("Error"); | |
| } | |
| } | |
| } |
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