Crypto: Add modeling for JCA signatures. Make consistent use of "unknown" or "other" for unrecognized types.

shared/quantum/codeql/quantum/experimental/Standardization.qll

@@ -16,7 +16,7 @@ module Types {
       TSignature(TSignatureAlgorithmType t) or
       TMac(TMacAlgorithmType t) or
       TKeyEncapsulation(TKemAlgorithmType t) or
-      TUnknownKeyOperationAlgorithmType()
+      TOtherKeyOperationAlgorithmType()
 
     // Parameterized algorithm types
     newtype TSymmetricCipherType =
@@ -64,7 +64,7 @@ module Types {
     newtype TCipherStructureType =
       Block() or
       Stream() or
-      UnknownCipherStructureType()
+      OtherCipherStructureType()
 
     class CipherStructureType extends TCipherStructureType {
       string toString() {
@@ -72,7 +72,7 @@ module Types {
         or
         result = "Stream" and this = Stream()
         or
-        result = "Unknown" and this = UnknownCipherStructureType()
+        result = "Unknown" and this = OtherCipherStructureType()
       }
     }
 
@@ -119,7 +119,7 @@ module Types {
       or
       type = OtherSymmetricCipherType() and
       name = "UnknownSymmetricCipher" and
-      s = UnknownCipherStructureType()
+      s = OtherCipherStructureType()
     }
 
     class AlgorithmType extends TAlgorithm {
@@ -157,7 +157,7 @@ module Types {
         this = TMac(OtherMacAlgorithmType()) and result = "UnknownMac"
         or
         // Unknown
-        this = TUnknownKeyOperationAlgorithmType() and result = "Unknown"
+        this = TOtherKeyOperationAlgorithmType() and result = "Unknown"
       }
 
       int getImplicitKeySize() {