1 files changed, 3 insertions, 38 deletions
diff --git a/internal/feed/feed.go b/internal/feed/feed.go
index 56fc7d2..affa5d2 100644
--- a/internal/feed/feed.go
+++ b/internal/feed/feed.go
@@ -6,47 +6,12 @@ import (
 )
 
 const (
-  None = iota     // no priv req/user interaction
-  Low             // low complexity/priv req
-  Medium          // medium complexity/priv req
-  High            // high complexity/priv req
-
-  Critical        // critical severity
-
-  CvssVersion31   // CVSS version 3.1
-  CvssVersion20   // CVSS version 2.0
-
-  Single          // Single authentication
+  CvssVersion31 = iota  // CVSS version 3.1
+  CvssVersion20 // CVSS version 2.0
 )
 
 // TODO: parse cpe, cve id
 
-// CVSS V2 authentication
-type Authentication int
-
-// Unmarshal CVSS V2 authentication from JSON.
-func (me *Authentication) UnmarshalJSON(b []byte) error {
-  // decode string, check for error
-  var s string
-  if err := json.Unmarshal(b, &s); err != nil {
-    return err
-  }
-
-  // check value
-  switch s {
-  case "NONE":
-    *me = None
-  case "SINGLE":
-    *me = Single
-  default:
-    // return error
-    return fmt.Errorf("unknown authentication: %s", s)
-  }
-
-  // return success
-  return nil
-}
-
 // CVE metadata
 type CveMetadata struct {
   // CVE ID
@@ -267,7 +232,7 @@ type CvssV2 struct {
   AccessComplexity V2AccessComplexity `json:"accessComplexity"`
 
   // authentication
-  Authentication Authentication `json:"authentication"`
+  Authentication V2Authentication `json:"authentication"`
 
   ConfidentialityImpact V2Impact `json:"confidentialityImpact"`
   IntegrityImpact V2Impact `json:"integrityImpact"`