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-rw-r--r--src/noise_helpers.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/noise_helpers.go b/src/noise_helpers.go
index e163ace..1e622a5 100644
--- a/src/noise_helpers.go
+++ b/src/noise_helpers.go
@@ -33,6 +33,7 @@ func KDF2(key []byte, input []byte) (t0 [blake2s.Size]byte, t1 [blake2s.Size]byt
HMAC(&prk, key, input)
HMAC(&t0, prk[:], []byte{0x1})
HMAC(&t1, prk[:], append(t0[:], 0x2))
+ prk = [blake2s.Size]byte{}
return
}
@@ -42,6 +43,7 @@ func KDF3(key []byte, input []byte) (t0 [blake2s.Size]byte, t1 [blake2s.Size]byt
HMAC(&t0, prk[:], []byte{0x1})
HMAC(&t1, prk[:], append(t0[:], 0x2))
HMAC(&t2, prk[:], append(t1[:], 0x3))
+ prk = [blake2s.Size]byte{}
return
}