author: Hans de Goede <hdegoede@redhat.com> 2019-08-17 16:24:31 +0200
committer: Herbert Xu <herbert@gondor.apana.org.au> 2019-08-22 14:57:35 +1000
commit: ad767ee858b38af634c957a792cb001d54a7b981
parent: 1a01333d313447f0cdfcc2882ea3afe387a24be0
Commit Summary:
Diffstat:
1 file changed, 23 insertions, 0 deletions
diff --git a/include/crypto/sha256.h b/include/crypto/sha256.h
new file mode 100644
index 000000000000..b1f9c6781082
--- /dev/null
+++ b/include/crypto/sha256.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Red Hat Inc.
+ *
+ * Author: Vivek Goyal <vgoyal@redhat.com>
+ */
+
+#ifndef SHA256_H
+#define SHA256_H
+
+#include <linux/types.h>
+#include <crypto/sha.h>
+
+/*
+ * Stand-alone implementation of the SHA256 algorithm. It is designed to
+ * have as little dependencies as possible so it can be used in the
+ * kexec_file purgatory. In other cases you should use the implementation in
+ * crypto/.
+ *
+ * For details see lib/crypto/sha256.c
+ */
+
+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 */