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-rw-r--r--kernel/include/linux/cryptohash.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/include/linux/cryptohash.h b/kernel/include/linux/cryptohash.h
new file mode 100644
index 000000000..f4754282c
--- /dev/null
+++ b/kernel/include/linux/cryptohash.h
@@ -0,0 +1,20 @@
+#ifndef __CRYPTOHASH_H
+#define __CRYPTOHASH_H
+
+#include <uapi/linux/types.h>
+
+#define SHA_DIGEST_WORDS 5
+#define SHA_MESSAGE_BYTES (512 /*bits*/ / 8)
+#define SHA_WORKSPACE_WORDS 16
+
+void sha_init(__u32 *buf);
+void sha_transform(__u32 *digest, const char *data, __u32 *W);
+
+#define MD5_DIGEST_WORDS 4
+#define MD5_MESSAGE_BYTES 64
+
+void md5_transform(__u32 *hash, __u32 const *in);
+
+__u32 half_md4_transform(__u32 buf[4], __u32 const in[8]);
+
+#endif