md5: fix "fast" md5 broken by prev commit

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/libbb/md5.c b/libbb/md5.c
index 3c24bc60b..f192d0e47 100644
--- a/libbb/md5.c
+++ b/libbb/md5.c
@@ -245,6 +245,7 @@ static void md5_hash_block(md5_ctx_t *ctx)
         OP(C, D, A, B, 17, 0xa679438e);
         OP(B, C, D, A, 22, 0x49b40821);
 # endif
+        words -= 16;
 
         /* For the second to fourth round we have the possibly swapped words
            in WORDS.  Redefine the macro to take an additional first
@@ -252,7 +253,7 @@ static void md5_hash_block(md5_ctx_t *ctx)
 # undef OP
 # define OP(f, a, b, c, d, k, s, T) \
         do { \
-                a += f(b, c, d) + correct_words[k] + T; \
+                a += f(b, c, d) + words[k] + T; \
                 a = rotl32(a, s); \
                 a += b; \
         } while (0)