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https://github.com/trezor/trezor-firmware.git
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Removed superfluous bn_mod, it's done now in point_add and point_double.
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parent
323da2d434
commit
7fd81a1e0c
5
ecdsa.c
5
ecdsa.c
@ -153,8 +153,6 @@ void point_multiply(const bignum256 *k, const curve_point *p, curve_point *res)
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point_double(&curr);
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point_double(&curr);
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}
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}
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}
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}
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bn_mod(&(res->x), &prime256k1);
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bn_mod(&(res->y), &prime256k1);
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}
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}
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// set point to internal representation of point at infinity
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// set point to internal representation of point at infinity
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@ -234,8 +232,6 @@ void scalar_multiply(const bignum256 *k, curve_point *res)
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point_double(&curr);
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point_double(&curr);
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#endif
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#endif
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}
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}
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bn_mod(&(res->x), &prime256k1);
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bn_mod(&(res->y), &prime256k1);
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}
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}
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// generate random K for signing
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// generate random K for signing
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@ -540,7 +536,6 @@ int ecdsa_verify_digest(const uint8_t *pub_key, const uint8_t *sig, const uint8_
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}
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}
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}
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}
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bn_mod(&(res.x), &prime256k1);
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bn_mod(&(res.x), &order256k1);
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bn_mod(&(res.x), &order256k1);
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// signature does not match
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// signature does not match
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