Add comment about constant sources.

rapidsai · Oct 21, 2021 · 410b30d · 410b30d
1 parent 92b329b
commit 410b30d
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cpp/src/hash/md5_hash.cu b/cpp/src/hash/md5_hash.cu
@@ -38,6 +38,9 @@ namespace detail {
 
 namespace {
 
+// The MD5 algorithm and its hash/shift constants are officially specified in
+// RFC 1321. For convenience, these values can also be found on Wikipedia:
+// https://en.wikipedia.org/wiki/MD5
 const __constant__ uint32_t md5_shift_constants[16] = {
   7, 12, 17, 22, 5, 9, 14, 20, 4, 11, 16, 23, 6, 10, 15, 21};