scripts: imgtool: Fix verification with public ed25519 key file

nordicjm · de-nordic · commit a2ee0a751b45 · 2025-12-02T21:43:06.000+01:00
Fixes an issue whereby ed25519 public keys were not supported for
verifying images which would wrongly give an error about the key
type not matching the TLV record

Signed-off-by: Jamie McCrae &lt;jamie.mccrae@nordicsemi.no&gt;
diff --git a/scripts/imgtool/image.py b/scripts/imgtool/image.py
@@ -194,6 +194,7 @@ def tlv_sha_to_sha(tlv):
     keys.RSAPublic          : ['256'],
     # This two are set to 256 for compatibility, the right would be 512
     keys.Ed25519            : ['256', '512'],
+    keys.Ed25519Public      : ['256', '512'],
     keys.X25519             : ['256', '512']
 }
 

Original file line number	Diff line number	Diff line change
`@@ -194,6 +194,7 @@ def tlv_sha_to_sha(tlv):`
`194`	`194`	`keys.RSAPublic : ['256'],`
`195`	`195`	`# This two are set to 256 for compatibility, the right would be 512`
`196`	`196`	`keys.Ed25519 : ['256', '512'],`
	`197`	`+ keys.Ed25519Public : ['256', '512'],`
`197`	`198`	`keys.X25519 : ['256', '512']`
`198`	`199`	`}`
`199`	`200`