Automated g4 rollback of changelist 204232671.

*** Reason for rollback ***

We split rsa PSS from PKCS1, this encoding is not needed.

*** Original change description ***

Add enum RsaSignatureEncoding

***

PiperOrigin-RevId: 205695849
GitOrigin-RevId: 6a207fb0de4aa24def3531e6f663b978099c67db

cc/subtle/common_enums.cc

@@ -67,19 +67,6 @@ std::string EnumToString(HashType type) {
   }
 }
 
-std::string EnumToString(RsaSignatureEncoding encoding) {
-  switch (encoding) {
-    case RsaSignatureEncoding::PKCS1_ENCODING:
-      return "PKCS1_ENCODING";
-    case RsaSignatureEncoding::PSS_ENCODING:
-      return "PSS_ENCODING";
-    case RsaSignatureEncoding::UNKNOWN_ENCODING:
-      return "UNKNOWN_ENCODING";
-    default:
-      return "UNKNOWN_ENCODING" + std::to_string(encoding);
-  }
-}
-
 }  // namespace subtle
 }  // namespace tink
 }  // namespace crypto

cc/subtle/common_enums.h

@@ -47,16 +47,9 @@ enum HashType {
   SHA512 = 4,
 };
 
-enum RsaSignatureEncoding {
-  UNKNOWN_ENCODING = 0,
-  PKCS1_ENCODING = 1,
-  PSS_ENCODING = 2,
-};
-
 std::string EnumToString(EllipticCurveType type);
 std::string EnumToString(EcPointFormat format);
 std::string EnumToString(HashType type);
-std::string EnumToString(RsaSignatureEncoding encoding);
 
 }  // namespace subtle
 }  // namespace tink

cc/subtle/common_enums_test.cc

@@ -50,15 +50,6 @@ TEST_F(CommonEnumsTest, testEcPointFormatToString) {
   EXPECT_EQ("UNKNOWN_FORMAT: 42", EnumToString((EcPointFormat)42));
 }
 
-TEST_F(CommonEnumsTest, testRsaSignatureEncodingToString) {
-  EXPECT_EQ("UNKNOWN_ENCODING",
-            EnumToString(RsaSignatureEncoding::UNKNOWN_ENCODING));
-  EXPECT_EQ("PKCS1_ENCODING",
-            EnumToString(RsaSignatureEncoding::PKCS1_ENCODING));
-  EXPECT_EQ("PSS_ENCODING",
-            EnumToString(RsaSignatureEncoding::PSS_ENCODING));
-}
-
 }  // namespace
 }  // namespace subtle
 }  // namespace tink