Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / hmac.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/hmac.h b/qemu/roms/ipxe/src/include/ipxe/hmac.h
new file mode 100644 (file)
index 0000000..d5ec086
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/hmac.h
@@ -0,0 +1,32 @@
+#ifndef _IPXE_HMAC_H
+#define _IPXE_HMAC_H
+
+/** @file
+ *
+ * Keyed-Hashing for Message Authentication
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <ipxe/crypto.h>
+
+/**
+ * Update HMAC
+ *
+ * @v digest           Digest algorithm to use
+ * @v digest_ctx       Digest context
+ * @v data             Data
+ * @v len              Length of data
+ */
+static inline void hmac_update ( struct digest_algorithm *digest,
+                                void *digest_ctx, const void *data,
+                                size_t len ) {
+       digest_update ( digest, digest_ctx, data, len );
+}
+
+extern void hmac_init ( struct digest_algorithm *digest, void *digest_ctx,
+                       void *key, size_t *key_len );
+extern void hmac_final ( struct digest_algorithm *digest, void *digest_ctx,
+                        void *key, size_t *key_len, void *hmac );
+
+#endif /* _IPXE_HMAC_H */