1 files changed, 42 insertions, 0 deletions
diff --git a/signature.h b/signature.h
new file mode 100644
index 00000000..d2a8843e
--- /dev/null
+++ b/signature.h
@@ -0,0 +1,42 @@
+#define SHA256_DIGEST_SIZE  32
+
+EFI_GUID EfiHashSha256Guid = { 0xc1c41626, 0x504c, 0x4092, {0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28 }};
+EFI_GUID EfiCertX509Guid = { 0xa5c059a1, 0x94e4, 0x4aa7, {0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72 }};
+
+typedef struct {
+	///
+	/// An identifier which identifies the agent which added the signature to the list.
+	///
+	EFI_GUID          SignatureOwner;
+	///
+	/// The format of the signature is defined by the SignatureType.
+	///
+	UINT8             SignatureData[1];
+} EFI_SIGNATURE_DATA;
+
+typedef struct {
+	///
+	/// Type of the signature. GUID signature types are defined in below.
+	///
+	EFI_GUID            SignatureType;
+	///
+	/// Total size of the signature list, including this header.
+	///
+	UINT32              SignatureListSize;
+	///
+	/// Size of the signature header which precedes the array of signatures.
+	///
+	UINT32              SignatureHeaderSize;
+	///
+	/// Size of each signature.
+	///
+	UINT32              SignatureSize; 
+	///
+	/// Header before the array of signatures. The format of this header is specified 
+	/// by the SignatureType.
+	/// UINT8           SignatureHeader[SignatureHeaderSize];
+	///
+	/// An array of signatures. Each signature is SignatureSize bytes in length. 
+	/// EFI_SIGNATURE_DATA Signatures[][SignatureSize];
+	///
+} EFI_SIGNATURE_LIST;