FreeBSD Bugzilla – Attachment 221957 Details for
Bug 252894
Fix public key derivation if WireGuard implementation
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[patch]
Alternate fix for wireguard key clamping
PR252894.diff (text/plain), 493 bytes, created by
Peter Grehan
on 2021-01-27 07:59:01 UTC
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Description:
Alternate fix for wireguard key clamping
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Creator:
Peter Grehan
Created:
2021-01-27 07:59:01 UTC
Size:
493 bytes
patch
obsolete
>diff --git a/sys/dev/if_wg/module/curve25519.c b/sys/dev/if_wg/module/curve25519.c >index e21d00bd2818..16f0b0337eb6 100644 >--- a/sys/dev/if_wg/module/curve25519.c >+++ b/sys/dev/if_wg/module/curve25519.c >@@ -767,6 +767,7 @@ void curve25519_generic(u8 out[CURVE25519_KEY_SIZE], > u8 e[32]; > > memcpy(e, scalar, 32); >+ curve25519_clamp_secret(e); > > /* The following implementation was transcribed to Coq and proven to > * correspond to unary scalar multiplication in affine coordinates given
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