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| author | Jonas Nick <jonasd.nick@gmail.com> | 2019-11-02 12:17:17 +0000 |
|---|---|---|
| committer | Pieter Wuille <pieter.wuille@gmail.com> | 2020-01-19 14:47:33 -0800 |
| commit | 301fef36de8fff2a8d692f86fbde137f93bff14d (patch) | |
| tree | 22c1f8085c1ba232a8e3015d59e85c4e19e40adb /bip-schnorr | |
| parent | a6d2d42aa2c6c689932ca5364a01df94378c9c9e (diff) | |
| download | bips-301fef36de8fff2a8d692f86fbde137f93bff14d.tar.xz | |
Make more clear that signing function in test vectors generation code isn't intended to be used anywhere else
Diffstat (limited to 'bip-schnorr')
| -rw-r--r-- | bip-schnorr/test-vectors.py | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/bip-schnorr/test-vectors.py b/bip-schnorr/test-vectors.py index dca700c..da7aec6 100644 --- a/bip-schnorr/test-vectors.py +++ b/bip-schnorr/test-vectors.py @@ -43,8 +43,10 @@ def vector3(): sig = schnorr_sign(msg, seckey) return (seckey, pubkey_gen(seckey), msg, sig, "TRUE", "test fails if msg is reduced modulo p or n") -# Signs with a given nonce. Results in an invalid signature if y(kG) is not a square -def schnorr_sign_fixed_nonce(msg, seckey0, k): +# Signs with a given nonce. This can be INSECURE and is only INTENDED FOR +# GENERATING TEST VECTORS. Results in an invalid signature if y(kG) is not +# square. +def insecure_schnorr_sign_fixed_nonce(msg, seckey0, k): if len(msg) != 32: raise ValueError('The message must be a 32-byte array.') seckey0 = int_from_bytes(seckey0) @@ -61,7 +63,7 @@ def vector4(): one_half = 0x7fffffffffffffffffffffffffffffff5d576e7357a4501ddfe92f46681b20a0 seckey = bytes_from_int(0x763758E5CBEEDEE4F7D3FC86F531C36578933228998226672F13C4F0EBE855EB) msg = bytes_from_int(0x4DF3C3F68FCC83B27E9D42C90431A72499F17875C81A599B566C9889B9696703) - sig = schnorr_sign_fixed_nonce(msg, seckey, one_half) + sig = insecure_schnorr_sign_fixed_nonce(msg, seckey, one_half) return (None, pubkey_gen(seckey), msg, sig, "TRUE", None) default_seckey = bytes_from_int(0xB7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF) @@ -82,7 +84,7 @@ def vector6(): seckey = default_seckey msg = default_msg k = 3 - sig = schnorr_sign_fixed_nonce(msg, seckey, k) + sig = insecure_schnorr_sign_fixed_nonce(msg, seckey, k) # Y coordinate of R is not a square R = point_mul(G, k) @@ -118,7 +120,7 @@ def vector9(): k = 0 bytes_from_point_tmp = bytes_from_point.__code__ bytes_from_point.__code__ = bytes_from_point_inf0.__code__ - sig = schnorr_sign_fixed_nonce(msg, seckey, k) + sig = insecure_schnorr_sign_fixed_nonce(msg, seckey, k) bytes_from_point.__code__ = bytes_from_point_tmp return (None, pubkey_gen(seckey), msg, sig, "FALSE", "sG - eP is infinite. Test fails in single verification if has_square_y(inf) is defined as true and x(inf) as 0") @@ -137,7 +139,7 @@ def vector10(): k = 0 bytes_from_point_tmp = bytes_from_point.__code__ bytes_from_point.__code__ = bytes_from_point_inf1.__code__ - sig = schnorr_sign_fixed_nonce(msg, seckey, k) + sig = insecure_schnorr_sign_fixed_nonce(msg, seckey, k) bytes_from_point.__code__ = bytes_from_point_tmp return (None, pubkey_gen(seckey), msg, sig, "FALSE", "sG - eP is infinite. Test fails in single verification if has_square_y(inf) is defined as true and x(inf) as 1") |