On Monday, July 1, 2019 at 9:58:12 PM UTC-4, Mouse wrote:
>
>
> So, no - the above change does *not* look like a bug.
>
I don't think that change is the bug, the bug is that SymmetricEncrypt (and
SymmetricDecrypt) did not also change to use MAC::DIGESTSIZE at the same
time. It continues to use MAC::DEFAULT_KEYLENGTH
Fixing that in master and it works properly with NULLHash:
diff --git a/gfpcrypt.h b/gfpcrypt.h
index 1b26a56b..f15c397e 100644
--- a/gfpcrypt.h
+++ b/gfpcrypt.h
@@ -716,7 +716,7 @@ public:
if (DHAES_MODE)
{
macKey = key;
- cipherKey = key + MAC::DEFAULT_KEYLENGTH;
+ cipherKey = key + MAC::DIGESTSIZE;
}
else
{
@@ -748,7 +748,7 @@ public:
if (DHAES_MODE)
{
macKey = key;
- cipherKey = key + MAC::DEFAULT_KEYLENGTH;
+ cipherKey = key + MAC::DIGESTSIZE;
}
else
{
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