wormhole

Commit Graph

Author	SHA1	Message	Date
Hendrik Hofstadt	0e69aa4ddc	remove requirement for half_q on pub key x Schnorr signatures don't have the ecdsa malleability vulnerability, also we protect against malleable signatures by tracking consumed VAAs using their body hash. The check was implemented because the author assumed that ecrecover in the EVM does not accept s < HALF_Q values for malleability protection. There were 2 misconceptions: 1. pubkey_x is passed in as r and not s, 2. the check is not enforced in the precompiled evm instruction.	2020-08-10 21:08:57 +02:00
Hendrik Hofstadt	a1ba223361	Remove duplicate CL libraries, add signing logic to VAA	2020-08-05 10:48:43 +02:00
Leo	2a81b445b1	Import Chainlink's Distributed Schnorr implementation Unmodified except for imports and addition of license files.	2020-08-04 19:52:41 +02:00

Author

SHA1

Message

Date

Hendrik Hofstadt

0e69aa4ddc

remove requirement for half_q on pub key x

Schnorr signatures don't have the ecdsa malleability vulnerability, also we protect against malleable signatures by tracking consumed VAAs using their body hash.
The check was implemented because the author assumed that ecrecover in the EVM does not accept s < HALF_Q values for malleability protection. There were 2 misconceptions:
1. pubkey_x is passed in as r and not s, 2. the check is not enforced in the precompiled evm instruction.

2020-08-10 21:08:57 +02:00

Hendrik Hofstadt

a1ba223361

Remove duplicate CL libraries, add signing logic to VAA

2020-08-05 10:48:43 +02:00

Leo

2a81b445b1

Import Chainlink's Distributed Schnorr implementation

Unmodified except for imports and addition of license files.

2020-08-04 19:52:41 +02:00

3 Commits