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(PHP Extension) Duplicate Java HMAC-SHA1 using ChilkatThis example uses Chilkat to produce the same results as this Java code: import org.apache.commons.codec.binary.Base64; import org.apache.commons.codec.binary.Hex; import javax.crypto.Mac; import javax.crypto.spec.SecretKeySpec; import java.security.InvalidKeyException; import java.security.Key; import java.security.NoSuchAlgorithmException; public void hmacSignatureExample() throws NoSuchAlgorithmException, InvalidKeyException { final String method = "POST"; final Long epoch = 1456765639015L; // Hardcoding for this example final String uri = "/api/v5/policy/1234567890"; final String newline = "\n"; final String privateKey = "qwfvUeVRWAwyjlAzGivefFPTg+m6QtBPmDVv7Ra /u7K3UuVVRhrZ/qc8EPh8IGJatuxsWD4EX+D9qE/eVvLTpw=="; final String publicKey = "16baedbe244b6c063968850716afb319a"; // Prepare the signature final String plainText = method + newline + epoch + newline + uri + newline; // Hash the plaintext with the private key final byte[] keyBytes = privateKey.getBytes(); final Key key = new SecretKeySpec(keyBytes, 0, keyBytes.length, "HmacSHA1"); final Mac mac = Mac.getInstance("HmacSHA1"); mac.init(key); String signatureHash = new String(Hex.encodeHex(mac.doFinal(plainText. getBytes()))); // Prefix with public key signatureHash = publicKey + ":" + signatureHash; // Base64 encode to produce AUTHORIZATION final String authorization = new String(Base64.encodeBase64(signatureHash. getBytes())); }
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This is clearly in base64 encoding. $privateKey = 'qwfvUeVRWAwyjlAzGivefFPTg+m6QtBPmDVv7Ra/u7K3UuVVRhrZ/qc8EPh8IGJatuxsWD4EX+D9qE/eVvLTpw=='; // This is clearly in the hex encoding. $publicKey = '16baedbe244b6c063968850716afb319a'; $plainText = 'POST\n1456765639015\n/api/v5/policy/1234567890\n'; $crypt = new CkCrypt2(); // We want HMAC-SHA1. $crypt->put_MacAlgorithm('HMAC'); $crypt->put_HashAlgorithm('SHA1'); // The Java code (above) is literally using the us-ascii chars of the base64 string as the HMAC key. // (It is NOT using the base64 decoded bytes.) $crypt->SetMacKeyEncoded($privateKey,'us-ascii'); // We want our HMAC-SHA1 output to be a hex string. $crypt->put_EncodingMode('hex_lower'); $hmacHex = $crypt->macStringENC($plainText); print $hmacHex . "\n"; // The expected result is: dd3e8440f6b550f152156ea5e12d3e20b262adae $sbSignatureHash = new CkStringBuilder(); $sbSignatureHash->Append($publicKey); $sbSignatureHash->Append(':'); $sbSignatureHash->Append($hmacHex); $authorization = $sbSignatureHash->getEncoded('base64','utf-8'); print 'Authorization: ' . $authorization . "\n"; // The expected result is: MTZiYWVkYmUyNDRiNmMwNjM5Njg4NTA3MTZhZmIzMTlhOmRkM2U4NDQwZjZiNTUwZjE1MjE1NmVhNWUxMmQzZTIwYjI2MmFkYWU= ?> |
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