Use a u32bit for the length argument to ubi_512. That value cannot possibly

be larger than 4294967232 because you can give at most 2^32-1 bytes of
data at a time to Skein_512::add_data, and Skein always needs to buffer at
least one byte.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/hash/skein/skein_512.cpp b/src/hash/skein/skein_512.cpp
index 2c6aa121c..cb4b7a7a2 100644
--- a/src/hash/skein/skein_512.cpp
+++ b/src/hash/skein/skein_512.cpp
@@ -27,11 +27,11 @@ enum type_code {
    SKEIN_OUTPUT = 63
 };
 
-void ubi_512(u64bit H[9], u64bit T[], const byte msg[], u64bit msg_len)
+void ubi_512(u64bit H[9], u64bit T[], const byte msg[], u32bit msg_len)
    {
    do
       {
-      const u64bit to_proc = std::min<u64bit>(msg_len, 64);
+      const u32bit to_proc = std::min<u32bit>(msg_len, 64);
       T[0] += to_proc;
 
       u64bit M[8] = { 0 };