1 files changed, 46 insertions, 0 deletions
diff --git a/lib/base64.h b/lib/base64.h
new file mode 100644
index 0000000..839f92a
--- /dev/null
+++ b/lib/base64.h
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: NONE
+/*
+ * This is part of the libb64 project, and has been placed in the public domain.
+ * For details, see http://sourceforge.net/projects/libb64
+ */
+
+#ifndef _BASE64_H_
+#define _BASE64_H_
+
+enum base64_encodestep {
+	step_A, step_B, step_C
+};
+
+struct base64_encodestate {
+	enum base64_encodestep step;
+	char result;
+	int stepcount;
+};
+
+void base64_init_encodestate(struct base64_encodestate *state_in);
+
+char base64_encode_value(char value_in);
+
+int base64_encode_block(const char *plaintext_in, int length_in, char *code_out,
+			struct base64_encodestate *state_in);
+
+int base64_encode_blockend(char *code_out, struct base64_encodestate *state_in);
+
+
+enum base64_decodestep {
+	step_a, step_b, step_c, step_d
+};
+
+struct base64_decodestate {
+	enum base64_decodestep step;
+	char plainchar;
+};
+
+void base64_init_decodestate(struct base64_decodestate *state_in);
+
+signed char base64_decode_value(signed char value_in);
+
+int base64_decode_block(const char *code_in, int length_in, char *plaintext_out,
+			struct base64_decodestate *state_in);
+
+#endif /* _BASE64_H_ */