SFT-3618: Use foundation.secp256k1.sign_ecdsa.

* ports/stm32/boards/Passport/modules/tasks/sign_psbt_task.py (sign_psbt_task): Use foundation.secp256k1.sign_ecdsa. * ports/stm32/boards/Passport/modules/utils.py (sign_message_digest): Ditto.
Foundation-Devices · May 13, 2024 · 731fc1f · 731fc1f
1 parent ca1072e
commit 731fc1f
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diff --git a/ports/stm32/boards/Passport/modules/tasks/sign_psbt_task.py b/ports/stm32/boards/Passport/modules/tasks/sign_psbt_task.py
@@ -15,7 +15,6 @@ async def sign_psbt_task(on_done, psbt):
     from errors import Error
     from utils import keypath_to_str, swab32
     from serializations import ser_sig_der
-    import trezorcrypto
     import stash
     import gc
     from foundation import secp256k1
@@ -122,7 +121,7 @@ async def sign_psbt_task(on_done, psbt):
                     # TODO: handle taproot scripts
                     inp.tap_key_sig = taproot_sign_key(None, pk, inp.sighash, digest)
                 else:
-                    result = trezorcrypto.secp256k1.sign(pk, digest)
+                    result = secp256k1.sign_ecdsa(digest, pk)
 
                     # convert signature to DER format
                     if len(result) != 65:

diff --git a/ports/stm32/boards/Passport/modules/utils.py b/ports/stm32/boards/Passport/modules/utils.py
@@ -1039,13 +1039,14 @@ def split_to_lines(s, width):
 
 
 def sign_message_digest(digest, subpath):
+    from foundation import secp256k1
     # do the signature itself!
     with stash.SensitiveValues() as sv:
         node = sv.derive_path(subpath)
         pk = node.private_key()
         sv.register(pk)
 
-        rv = trezorcrypto.secp256k1.sign(pk, digest)
+        rv = secp256k1.sign_ecdsa(digest, pk)
 
     return rv