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Michael Brown 27398f1360 [crypto] Check for all-zeros result from X25519 key exchange 
RFC7748 states that it is entirely optional for X25519 Diffie-Hellman
implementations to check whether or not the result is the all-zero
value (indicating that an attacker sent a malicious public key with a
small order).  RFC8422 states that implementations in TLS must abort
the handshake if the all-zero value is obtained.

Return an error if the all-zero value is obtained, so that the TLS
code will not require knowledge specific to the X25519 curve.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
 		2024-01-30 13:21:01 +00:00
.github/workflows [ci] Work around Ubuntu packaging metadata issues 2023-05-15 14:56:28 +01:00
contrib [cloud] Add utility script to read iPXE output from INT13CON partition 2023-11-07 18:05:45 +00:00
src [crypto] Check for all-zeros result from X25519 key exchange 2024-01-30 13:21:01 +00:00
COPYING [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.GPLv2 [legal] Update GPLv2 licence text 2015-02-26 17:59:53 +00:00
COPYING.UBDL [legal] Add support for the Unmodified Binary Distribution Licence 2015-03-02 12:07:14 +00:00
README [doc] Re-add README file 2010-05-28 00:03:47 +01:00

README 

iPXE README File

Quick start guide:

   cd src
   make

For any more detailed instructions, see http://ipxe.org