1 files changed, 77 insertions, 0 deletions
diff --git a/tools/cert_create/include/cert.h b/tools/cert_create/include/cert.h
new file mode 100644
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--- /dev/null
+++ b/tools/cert_create/include/cert.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2015-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef CERT_H
+#define CERT_H
+
+#include <openssl/ossl_typ.h>
+#include <openssl/x509.h>
+#include "ext.h"
+#include "key.h"
+
+#define CERT_MAX_EXT			9
+
+/*
+ * This structure contains information related to the generation of the
+ * certificates. All these fields must be known and specified at build time
+ * except for the file name, which is picked up from the command line at
+ * run time.
+ *
+ * One instance of this structure must be created for each of the certificates
+ * present in the chain of trust.
+ *
+ * If the issuer points to this same instance, the generated certificate will
+ * be self-signed.
+ */
+typedef struct cert_s cert_t;
+struct cert_s {
+	int id;			/* Unique identifier */
+
+	const char *opt;	/* Command line option to pass filename */
+	const char *fn;		/* Filename to save the certificate */
+	const char *cn;		/* Subject CN (Company Name) */
+	const char *help_msg;	/* Help message */
+
+	/* These fields must be defined statically */
+	int key;		/* Key to be signed */
+	int issuer;		/* Issuer certificate */
+	int ext[CERT_MAX_EXT];	/* Certificate extensions */
+	int num_ext;		/* Number of extensions in the certificate */
+
+	X509 *x;		/* X509 certificate container */
+};
+
+/* Exported API */
+int cert_init(void);
+cert_t *cert_get_by_opt(const char *opt);
+int cert_add_ext(X509 *issuer, X509 *subject, int nid, char *value);
+int cert_new(
+	int md_alg,
+	cert_t *cert,
+	int days,
+	int ca,
+	STACK_OF(X509_EXTENSION) * sk);
+void cert_cleanup(void);
+
+/* Macro to register the certificates used in the CoT */
+#define REGISTER_COT(_certs) \
+	cert_t *def_certs = &_certs[0]; \
+	const unsigned int num_def_certs = sizeof(_certs)/sizeof(_certs[0])
+
+/* Macro to register the platform defined certificates used in the CoT */
+#define PLAT_REGISTER_COT(_pdef_certs) \
+	cert_t *pdef_certs = &_pdef_certs[0]; \
+	const unsigned int num_pdef_certs = sizeof(_pdef_certs)/sizeof(_pdef_certs[0])
+
+/* Exported variables */
+extern cert_t *def_certs;
+extern const unsigned int num_def_certs;
+extern cert_t *pdef_certs;
+extern const unsigned int num_pdef_certs;
+
+extern cert_t *certs;
+extern unsigned int num_certs;
+#endif /* CERT_H */