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-rw-r--r--qemu/roms/ipxe/src/include/ipxe/hmac.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/include/ipxe/hmac.h b/qemu/roms/ipxe/src/include/ipxe/hmac.h
new file mode 100644
index 000000000..d5ec0868d
--- /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 */