1 files changed, 45 insertions, 0 deletions
diff --git a/libmail/imaphmac.C b/libmail/imaphmac.C
new file mode 100644
index 0000000..bbf0740
--- /dev/null
+++ b/libmail/imaphmac.C
@@ -0,0 +1,45 @@
+/*
+** Copyright 2002-2005, Double Precision Inc.
+**
+** See COPYING for distribution information.
+*/
+#include "libmail_config.h"
+#include "imaphmac.H"
+#include "libhmac/hmac.h"
+
+static mail::imaphmac md5(hmac_md5, "MD5");
+static mail::imaphmac sha1(hmac_sha1, "SHA1");
+static mail::imaphmac sha256(hmac_sha256, "SHA256");
+
+const mail::imaphmac * const mail::imaphmac::hmac_methods[]=
+	{ &sha256, &sha1, &md5, NULL};
+
+
+mail::imaphmac::imaphmac(const struct hmac_hashinfo &hmacArg,
+			       const char *nameArg)
+	: hmac(hmacArg), name(nameArg)
+{
+}
+
+mail::imaphmac::~imaphmac()
+{
+}
+
+std::string mail::imaphmac::operator()(std::string password, std::string challenge) const
+{
+	std::string i, o, b;
+
+	i.insert(i.end(), hmac.hh_L, (char)0);
+	o.insert(o.end(), hmac.hh_L, (char)0);
+	b.insert(b.end(), hmac.hh_L, (char)0);
+
+	hmac_hashkey( &hmac, &*password.begin(), password.size(),
+		      (unsigned char *)&*o.begin(),
+		      (unsigned char *)&*i.begin());
+
+	hmac_hashtext( &hmac, &*challenge.begin(), challenge.size(),
+		       (unsigned char *)&*o.begin(),
+		       (unsigned char *)&*i.begin(),
+		       (unsigned char *)&*b.begin());
+	return (b);
+}