imgtool: Fix x25519 TLV HMAC tag (94d85f91) · Commits · Wenxi XU / Mcuboot

scripts/imgtool/image.py

+1 −1

Original line number	Diff line number	Diff line
		@@ -445,7 +445,7 @@ class Image:
		newpk = X25519PrivateKey.generate()
		shared = newpk.exchange(enckey._get_public())
		derived_key = HKDF(
		algorithm=hmac_sha_alg, length=48, salt=None,
		algorithm=hmac_sha_alg, length=16 + hmac_sha_alg.digest_size, salt=None,
		info=b'MCUBoot_ECIES_v1', backend=default_backend()).derive(shared)
		encryptor = Cipher(algorithms.AES(derived_key[:16]),
		modes.CTR(bytes([0] * 16)),