1 files changed, 46 insertions, 0 deletions
diff --git a/lib/gitlab/ci/reports/security/finding_signature.rb b/lib/gitlab/ci/reports/security/finding_signature.rb
new file mode 100644
index 00000000000..d1d7ef5c377
--- /dev/null
+++ b/lib/gitlab/ci/reports/security/finding_signature.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Reports
+      module Security
+        class FindingSignature
+          include VulnerabilityFindingSignatureHelpers
+
+          attr_accessor :algorithm_type, :signature_value
+
+          def initialize(params = {})
+            @algorithm_type = params.dig(:algorithm_type)
+            @signature_value = params.dig(:signature_value)
+          end
+
+          def signature_sha
+            Digest::SHA1.digest(signature_value)
+          end
+
+          def signature_hex
+            signature_sha.unpack1("H*")
+          end
+
+          def to_hash
+            {
+              algorithm_type: algorithm_type,
+              signature_sha: signature_sha
+            }
+          end
+
+          def valid?
+            algorithm_types.key?(algorithm_type)
+          end
+
+          def eql?(other)
+            other.algorithm_type == algorithm_type &&
+              other.signature_sha == signature_sha
+          end
+
+          alias_method :==, :eql?
+        end
+      end
+    end
+  end
+end