src/main/java/com/amazonaws/encryptionsdk/kmssdkv2/AwsKmsMrkAwareMasterKey.java [380:395]:
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    final ByteBuffer plaintextBuffer = decryptResponse.plaintext().asByteBuffer();
    // = compliance/framework/aws-kms/aws-kms-mrk-aware-master-key.txt#2.9
    // # The response's "Plaintext"'s length MUST equal the length
    // # required by the requested algorithm suite otherwise the function MUST
    // # collect an error.
    if (plaintextBuffer.limit() != algorithm.getDataKeyLength()) {
      throw new IllegalStateException("Received an unexpected number of bytes from KMS");
    }

    final byte[] rawKey = new byte[algorithm.getDataKeyLength()];
    plaintextBuffer.get(rawKey);

    return new DataKey<>(
        new SecretKeySpec(rawKey, algorithm.getDataKeyAlgo()),
        edk.getEncryptedDataKey(),
        edk.getProviderInformation(),
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src/main/java/com/amazonaws/encryptionsdk/kmssdkv2/KmsMasterKey.java [197:208]:
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          final ByteBuffer plaintextBuffer = decryptResponse.plaintext().asByteBuffer();
          if (plaintextBuffer.limit() != algorithm.getDataKeyLength()) {
            throw new IllegalStateException("Received an unexpected number of bytes from KMS");
          }

          final byte[] rawKey = new byte[algorithm.getDataKeyLength()];
          plaintextBuffer.get(rawKey);

          return new DataKey<>(
              new SecretKeySpec(rawKey, algorithm.getDataKeyAlgo()),
              edk.getEncryptedDataKey(),
              edk.getProviderInformation(),
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