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-rw-r--r--arch/x86/purgatory/sha256.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/purgatory/sha256.h b/arch/x86/purgatory/sha256.h
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+++ b/arch/x86/purgatory/sha256.h
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+/*
+ * Copyright (C) 2014 Red Hat Inc.
+ *
+ * Author: Vivek Goyal <vgoyal@redhat.com>
+ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2. See the file COPYING for more details.
+ */
+
+#ifndef SHA256_H
+#define SHA256_H
+
+
+#include <linux/types.h>
+#include <crypto/sha.h>
+
+extern int sha256_init(struct sha256_state *sctx);
+extern int sha256_update(struct sha256_state *sctx, const u8 *input,
+ unsigned int length);
+extern int sha256_final(struct sha256_state *sctx, u8 *hash);
+
+#endif /* SHA256_H */