okio/src/hashFunctions/kotlin/okio/internal/HashFunction.kt


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/*
 * Copyright (C) 2020 Square, Inc. and others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okio.internal

/** A cryptographic hash function. */
internal interface HashFunction {
  fun update(
    input: ByteArray,
    offset: Int = 0,
    byteCount: Int = input.size
  )

  fun digest(): ByteArray
}