1 files changed, 50 insertions, 0 deletions
diff --git a/src/include/ipxe/cms.h b/src/include/ipxe/cms.h
new file mode 100644
index 000000000..f355bf1cb
--- /dev/null
+++ b/src/include/ipxe/cms.h
@@ -0,0 +1,50 @@
+#ifndef _IPXE_CMS_H
+#define _IPXE_CMS_H
+
+/** @file
+ *
+ * Cryptographic Message Syntax (PKCS #7)
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <time.h>
+#include <ipxe/asn1.h>
+#include <ipxe/crypto.h>
+#include <ipxe/x509.h>
+#include <ipxe/uaccess.h>
+
+/** CMS signer information */
+struct cms_signer_info {
+	/** Issuer name */
+	struct asn1_cursor issuer;
+	/** Serial number */
+	struct asn1_cursor serial;
+	/** Digest algorithm */
+	struct digest_algorithm *digest;
+	/** Public-key algorithm */
+	struct pubkey_algorithm *pubkey;
+	/** Signature */
+	const void *signature;
+	/** Length of signature */
+	size_t signature_len;
+};
+
+/** A CMS signature */
+struct cms_signature {
+	/** Raw certificate list */
+	struct asn1_cursor certificates;
+	/** Signer information
+	 *
+	 * We currently use only the first signer information block.
+	 */
+	struct cms_signer_info info;
+};
+
+extern int cms_parse ( struct cms_signature *sig, const void *data,
+		       size_t len );
+extern int cms_verify ( struct cms_signature *sig, userptr_t data, size_t len,
+			const char *name, time_t time, struct x509_root *root );
+
+#endif /* _IPXE_CMS_H */