removed redundant wipe

`crypto_*_final()` functions wipe their contexts already.  No need to
wipe again.

diff --git a/src/monocypher.c b/src/monocypher.c
index d042aa2f145fd53962770eeed8e199d8eccc9e0e..66483361b52f017a5cee0131d657f0aef14d004b 100644 (file)
--- a/src/monocypher.c
+++ b/src/monocypher.c
@@ -691,7 +691,6 @@ static void extended_hash(u8       *digest, u32 digest_size,
     blake_update_32            (&ctx, digest_size);
     crypto_blake2b_update      (&ctx, input, input_size);
     crypto_blake2b_final       (&ctx, digest);
-    WIPE_CTX(&ctx);
 
     if (digest_size > 64) {
         // the conversion to u64 avoids integer overflow on