1 files changed, 33 insertions, 0 deletions
diff --git a/libs/libsodium/src/crypto_pwhash/argon2/argon2-encoding.h b/libs/libsodium/src/crypto_pwhash/argon2/argon2-encoding.h
new file mode 100644
index 0000000000..e929b31dc3
--- /dev/null
+++ b/libs/libsodium/src/crypto_pwhash/argon2/argon2-encoding.h
@@ -0,0 +1,33 @@
+#ifndef argon2_encoding_H
+#define argon2_encoding_H
+
+#include "argon2.h"
+
+/*
+ * encode an Argon2 hash string into the provided buffer. 'dst_len'
+ * contains the size, in characters, of the 'dst' buffer; if 'dst_len'
+ * is less than the number of required characters (including the
+ * terminating 0), then this function returns 0.
+ *
+ * if ctx->outlen is 0, then the hash string will be a salt string
+ * (no output). if ctx->saltlen is also 0, then the string will be a
+ * parameter-only string (no salt and no output).
+ *
+ * On success, ARGON2_OK is returned.
+ *
+ * No other parameters are checked
+ */
+int encode_string(char *dst, size_t dst_len, argon2_context *ctx,
+                  argon2_type type);
+
+/*
+ * Decodes an Argon2 hash string into the provided structure 'ctx'.
+ * The fields ctx.saltlen, ctx.adlen, ctx.outlen set the maximal salt, ad, out
+ * length values
+ * that are allowed; invalid input string causes an error
+ *
+ * Returned value is ARGON2_OK on success.
+ */
+int decode_string(argon2_context *ctx, const char *str, argon2_type type);
+
+#endif