| # NIST521 curve constants |
| |
| from constants import * |
| |
| SHA = 'sha512' # hash type to use with this curve |
| EFS = 66 # elliptic curve field size in bytes |
| CurveType = WEIERSTRASS |
| |
| # field modulus |
| p = 2**521 - 1 |
| r = 0x1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5C9B8899C47AEBB6FB71E91386409 # group order |
| |
| # elliptic curve |
| A = -3 |
| B = 0x51953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573DF883D2C34F1EF451FD46B503F00 |
| |
| # generator point |
| Gx = 0xc6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66 |
| |
| Gy = 0x11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650 |
