diff options
| -rw-r--r-- | nostr/bip340.py | 49 |
1 files changed, 1 insertions, 48 deletions
diff --git a/nostr/bip340.py b/nostr/bip340.py index f9758d9..b6d5b1c 100644 --- a/nostr/bip340.py +++ b/nostr/bip340.py @@ -1,18 +1,9 @@ -### Reference implementatoin copy pasta from https://github.com/bitcoin/bips/blob/02de475efc528058bd04a0c4ad31b6422aed5f5f/bip-0340/reference.py +### Reference implementation copy pasta from https://github.com/bitcoin/bips/blob/02de475efc528058bd04a0c4ad31b6422aed5f5f/bip-0340/reference.py from typing import Tuple, Optional, Any import hashlib import binascii -# Set DEBUG to True to get a detailed debug output including -# intermediate values during key generation, signing, and -# verification. This is implemented via calls to the -# debug_print_vars() function. -# -# If you want to print values on an individual basis, use -# the pretty() function, e.g., print(pretty(foo)). -DEBUG = False - p = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F n = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 @@ -142,7 +133,6 @@ def schnorr_sign(msg: bytes, seckey: bytes, aux_rand: bytes) -> bytes: % n ) sig = bytes_from_point(R) + bytes_from_int((k + e * d) % n) - debug_print_vars() if not schnorr_verify(msg, bytes_from_point(P), sig): raise RuntimeError("The created signature does not pass verification.") return sig @@ -159,46 +149,9 @@ def schnorr_verify(msg: bytes, pubkey: bytes, sig: bytes) -> bool: r = int_from_bytes(sig[0:32]) s = int_from_bytes(sig[32:64]) if (P is None) or (r >= p) or (s >= n): - debug_print_vars() return False e = int_from_bytes(tagged_hash("BIP0340/challenge", sig[0:32] + pubkey + msg)) % n R = point_add(point_mul(G, s), point_mul(P, n - e)) if (R is None) or (not has_even_y(R)) or (x(R) != r): - debug_print_vars() return False - debug_print_vars() return True - - -# -# The following code is only used for debugging -# -import inspect - - -def pretty(v: Any) -> Any: - if isinstance(v, bytes): - return "0x" + v.hex() - if isinstance(v, int): - return pretty(bytes_from_int(v)) - if isinstance(v, tuple): - return tuple(map(pretty, v)) - return v - - -def debug_print_vars() -> None: - if DEBUG: - current_frame = inspect.currentframe() - assert current_frame is not None - frame = current_frame.f_back - assert frame is not None - print( - " Variables in function ", - frame.f_code.co_name, - " at line ", - frame.f_lineno, - ":", - sep="", - ) - for var_name, var_val in frame.f_locals.items(): - print(" " + var_name.rjust(11, " "), "==", pretty(var_val)) |