Checksumming updates
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/crc/md5.c b/crc/md5.c
index 0da85e4..64fe48a 100644
--- a/crc/md5.c
+++ b/crc/md5.c
@@ -125,3 +125,23 @@
memcpy(mctx->block, data, len);
}
+
+void fio_md5_final(struct fio_md5_ctx *mctx)
+{
+ const unsigned int offset = mctx->byte_count & 0x3f;
+ char *p = (char *)mctx->block + offset;
+ int padding = 56 - (offset + 1);
+
+ *p++ = 0x80;
+ if (padding < 0) {
+ memset(p, 0x00, padding + sizeof (uint64_t));
+ md5_transform(mctx->hash, mctx->block);
+ p = (char *)mctx->block;
+ padding = 56;
+ }
+
+ memset(p, 0, padding);
+ mctx->block[14] = mctx->byte_count << 3;
+ mctx->block[15] = mctx->byte_count >> 29;
+ md5_transform(mctx->hash, mctx->block);
+}