0  secp160k1
1  secp160r1
2  secp160r2
3  nistk163
4  sect163r1
5  nistb163
6  secp192k1
7  nistp192
8  secp224k1
9  nistp224
10 nistk233
11 nistb233
12 nistp256
13 nistk283
14 nistb283
15 nistp384
16 nistk409
17 nistb409
18 nistk571
19 nistb571
# the following tests are not yet implemented
#20 nistp521
