If a non-Zero private_key is passed as input to ecc_make_key(),
the incoming private_key is attempted, before falling back
to an ephemeral key. We need to be able to use non-ephemeral
keys in Mesh.
---
src/shared/ecc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/shared/ecc.c b/src/shared/ecc.c
index eb2cc005d..ee592b91b 100644
--- a/src/shared/ecc.c
+++ b/src/shared/ecc.c
@@ -863,8 +863,12 @@ bool ecc_make_key(uint8_t public_key[64], uint8_t private_key[32])
unsigned tries = 0;
do {
- if (!get_random_number(priv) || (tries++ >= MAX_TRIES))
- return false;
+ if (tries++ == 0)
+ ecc_bytes2native(private_key, priv);
+ else {
+ if (!get_random_number(priv) || (tries >= MAX_TRIES))
+ return false;
+ }
if (vli_is_zero(priv))
continue;
--
2.14.3
--
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