bootutil: Add TLV for PureEdDSA ED25519

The PureEdDSA ED25519 TLV stores ED25519 signature done directly on the image of application. Signed-off-by: Dominik Ermel <dominik.ermel@nordicsemi.no>
mcu-tools · Aug 29, 2024 · 765d7d1 · 765d7d1
1 parent 52e2afc
commit 765d7d1
Show file tree

Hide file tree

Showing 2 changed files with 2 additions and 0 deletions.
diff --git a/boot/bootutil/include/bootutil/image.h b/boot/bootutil/include/bootutil/image.h
@@ -101,6 +101,7 @@ struct flash_area;
 #define IMAGE_TLV_ECDSA_SIG 0x22 /* ECDSA of hash output */
 #define IMAGE_TLV_RSA3072_PSS 0x23 /* RSA3072 of hash output */
 #define IMAGE_TLV_ED25519 0x24 /* ed25519 of hash output */
+#define IMAGE_TLV_ED25519_PURE 0x25 /* PureEdDSA ed25519 over image */
 #define IMAGE_TLV_ENC_RSA2048 0x30 /* Key encrypted with RSA-OAEP-2048 */
 #define IMAGE_TLV_ENC_KW 0x31 /* Key encrypted with AES-KW 128 or 256*/
 #define IMAGE_TLV_ENC_EC256 0x32 /* Key encrypted with ECIES-EC256 */

diff --git a/scripts/imgtool/image.py b/scripts/imgtool/image.py
@@ -69,6 +69,7 @@
  'ECDSASIG': 0x22,
  'RSA3072': 0x23,
  'ED25519': 0x24,
+ 'ED25519_PURE': 0x25,
  'ENCRSA2048': 0x30,
  'ENCKW': 0x31,
  'ENCEC256': 0x32,