Example usage for org.apache.commons.codec.digest HmacUtils hmacSha256

Introduction

In this page you can find the example usage for org.apache.commons.codec.digest HmacUtils hmacSha256.

Prototype

public static byte[] hmacSha256(final String key, final String valueToDigest) 

Source Link

Document

Returns a HmacSHA256 Message Authentication Code (MAC) for the given key and value.

Usage

From source file:com.vmware.o11n.plugin.crypto.service.CryptoDigestService.java

/**
 * HmacSHA256/* ww  w  .  j ava  2  s.  c o  m*/
 *
 * @param keyB64 Secret key Base64 encoded
 * @param dataB64 Data to sign Base64 encoded
 * @return HmacSha256 MAC for the given key and data Base64 encoded
 */
public String hmacSha256(String keyB64, String dataB64) {
    validateB64(keyB64);
    validateB64(dataB64);
    final byte[] key = Base64.decodeBase64(keyB64);
    final byte[] data = Base64.decodeBase64(dataB64);

    return Base64.encodeBase64String(HmacUtils.hmacSha256(key, data));
}

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