feat: add support for Raw PKCS#1 signing keys

google-cloud-kms/src/main/java/com/google/cloud/kms/v1/KeyManagementServiceClient.java

@@ -2943,7 +2943,7 @@ public final UnaryCallable<DecryptRequest, DecryptResponse> decryptCallable() {
  *
  * @param name Required. The resource name of the
  * [CryptoKeyVersion][google.cloud.kms.v1.CryptoKeyVersion] to use for signing.
- * @param digest Required. The digest of the data to sign. The digest must be produced with the
+ * @param digest Optional. The digest of the data to sign. The digest must be produced with the
  * same digest algorithm as specified by the key version's
  * [algorithm][google.cloud.kms.v1.CryptoKeyVersion.algorithm].
  * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -2980,7 +2980,7 @@ public final AsymmetricSignResponse asymmetricSign(CryptoKeyVersionName name, Di
  *
  * @param name Required. The resource name of the
  * [CryptoKeyVersion][google.cloud.kms.v1.CryptoKeyVersion] to use for signing.
- * @param digest Required. The digest of the data to sign. The digest must be produced with the
+ * @param digest Optional. The digest of the data to sign. The digest must be produced with the
  * same digest algorithm as specified by the key version's
  * [algorithm][google.cloud.kms.v1.CryptoKeyVersion.algorithm].
  * @throws com.google.api.gax.rpc.ApiException if the remote call fails
@@ -3015,6 +3015,8 @@ public final AsymmetricSignResponse asymmetricSign(String name, Digest digest) {
  * .toString())
  * .setDigest(Digest.newBuilder().build())
  * .setDigestCrc32C(Int64Value.newBuilder().build())
+ * .setData(ByteString.EMPTY)
+ * .setDataCrc32C(Int64Value.newBuilder().build())
  * .build();
  * AsymmetricSignResponse response = keyManagementServiceClient.asymmetricSign(request);
  * }
@@ -3051,6 +3053,8 @@ public final AsymmetricSignResponse asymmetricSign(AsymmetricSignRequest request
  * .toString())
  * .setDigest(Digest.newBuilder().build())
  * .setDigestCrc32C(Int64Value.newBuilder().build())
+ * .setData(ByteString.EMPTY)
+ * .setDataCrc32C(Int64Value.newBuilder().build())
  * .build();
  * ApiFuture<AsymmetricSignResponse> future =
  * keyManagementServiceClient.asymmetricSignCallable().futureCall(request);

google-cloud-kms/src/test/java/com/google/cloud/kms/v1/KeyManagementServiceClientTest.java

@@ -2077,6 +2077,7 @@ public void asymmetricSignTest() throws Exception {
  .setSignatureCrc32C(Int64Value.newBuilder().build())
  .setVerifiedDigestCrc32C(true)
  .setName("name3373707")
+ .setVerifiedDataCrc32C(true)
  .setProtectionLevel(ProtectionLevel.forNumber(0))
  .build();
  mockKeyManagementService.addResponse(expectedResponse);
@@ -2126,6 +2127,7 @@ public void asymmetricSignTest2() throws Exception {
  .setSignatureCrc32C(Int64Value.newBuilder().build())
  .setVerifiedDigestCrc32C(true)
  .setName("name3373707")
+ .setVerifiedDataCrc32C(true)
  .setProtectionLevel(ProtectionLevel.forNumber(0))
  .build();
  mockKeyManagementService.addResponse(expectedResponse);

proto-google-cloud-kms-v1/src/main/java/com/google/cloud/kms/v1/AsymmetricDecryptRequest.java

@@ -310,7 +310,7 @@ public final boolean isInitialized() {
 
  @java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
- if (!getNameBytes().isEmpty()) {
+ if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
  com.google.protobuf.GeneratedMessageV3.writeString(output, 1, name_);
  }
  if (!ciphertext_.isEmpty()) {
@@ -328,7 +328,7 @@ public int getSerializedSize() {
  if (size != -1) return size;
 
  size = 0;
- if (!getNameBytes().isEmpty()) {
+ if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
  size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
  }
  if (!ciphertext_.isEmpty()) {