Skip to content

Instantly share code, notes, and snippets.

@sinak

sinak/gist:8274699

Created January 5, 2014 22:18
Show Gist options
  • Save sinak/8274699 to your computer and use it in GitHub Desktop.
Save sinak/8274699 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
gistfile1.txt
aris@kalix86:~/dualec$ ./dual_ec_drbg_poc
s at start of generate:
E9B8FBCFCDC7BCB091D14A41A95AD68966AC18879ECC27519403B34231916485
[omitted: many output from openssl]
y coordinate at end of mul:
0663BC78276A258D2F422BE407F881AA51B8D2D82ECE31481DB69DFBC6C4D010
r in generate is:
96E8EBC0D507C39F3B5ED8C96E789CC3E6861E1DDFB9D4170D3D5FF68E242437
Random bits written:
000000000000000000000000000000000000000000000000000000000000
y coordinate at end of mul:
5F49D75753F59EA996774DD75E17D730051F93F6C4EB65951DED75A8FCD5D429
s in generate:
C64EAF10729061418EB280CCB288AD9D14707E005655FDD2277FC76EC173125E
[omitted: many output from openssl]
PRNG output: ebc0d507c39f3b5ed8c96e789cc3e6861e1ddfb9d4170d3d5ff68e242437449e
Found a match !
A_x: 96e8ebc0d507c39f3b5ed8c96e789cc3e6861e1ddfb9d4170d3d5ff68e242437
A_y: 0663bc78276a258d2f422be407f881aa51b8d2d82ece31481db69dfbc6c4d010
prediction: a3cbc223507c197ec2598e6cff61cab0d75f89a68ccffcb7097c09d3
Reviewed 65502 valid points (candidates for A)
PRNG output: a3cbc223507c197ec2598e6cff61cab0d75f89a68ccffcb7097c09d3
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment