C++: split out a library with a trivial interfaceorigin/c++-libraryc++-library

Closes #2.

1 files changed, 28 insertions, 0 deletions

diff --git a/pdf-simple-sign.h b/pdf-simple-sign.h
new file mode 100644
index 0000000..022731c
--- /dev/null
+++ b/pdf-simple-sign.h
@@ -0,0 +1,28 @@
+// vim: set sw=2 ts=2 sts=2 et tw=100:
+//
+// pdf-simple-sign: simple PDF signer
+//
+// Copyright (c) 2017 - 2020, Přemysl Eric Janouch <p@janouch.name>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+//
+
+#pragma once
+
+#include <string>
+
+/// Sign basic PDF documents, as generated by e.g. Cairo, using the key-certificate pair
+/// stored in the PKCS#12 file named `pkcs12_path`, with password `pkcs12_pass`.
+/// Returns a non-empty error string on failure.
+std::string pdf_simple_sign(std::string& document,
+                            const std::string& pkcs12_path,
+                            const std::string& pkcs12_pass);