Example usage for com.google.common.hash Hashing hmacSha256

Introduction

In this page you can find the example usage for com.google.common.hash Hashing hmacSha256.

Prototype

public static HashFunction hmacSha256(byte[] key) 

Source Link

Document

Returns a hash function implementing the Message Authentication Code (MAC) algorithm, using the SHA-256 (256 hash bits) hash function and a SecretSpecKey created from the given byte array and the SHA-256 algorithm.

Usage

From source file:com.facebook.presto.operator.scalar.HmacFunctions.java

@Description("Compute HMAC with SHA256")
@ScalarFunction/*  w w  w  .j a va 2 s.co  m*/
@SqlType(StandardTypes.VARBINARY)
public static Slice hmacSha256(@SqlType(StandardTypes.VARBINARY) Slice slice,
        @SqlType(StandardTypes.VARBINARY) Slice key) {
    return wrappedBuffer(Hashing.hmacSha256(key.getBytes()).hashBytes(slice.getBytes()).asBytes());
}

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