1 files changed, 42 insertions, 0 deletions
diff --git a/comm/third_party/botan/src/lib/kdf/prf_x942/prf_x942.h b/comm/third_party/botan/src/lib/kdf/prf_x942/prf_x942.h
new file mode 100644
index 0000000000..98af7e069b
--- /dev/null
+++ b/comm/third_party/botan/src/lib/kdf/prf_x942/prf_x942.h
@@ -0,0 +1,42 @@
+/*
+* X9.42 PRF
+* (C) 1999-2007 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_ANSI_X942_PRF_H_
+#define BOTAN_ANSI_X942_PRF_H_
+
+#include <botan/kdf.h>
+#include <botan/asn1_obj.h>
+
+BOTAN_FUTURE_INTERNAL_HEADER(prf_x942.h)
+
+namespace Botan {
+
+/**
+* PRF from ANSI X9.42
+*/
+class BOTAN_PUBLIC_API(2,0) X942_PRF final : public KDF
+   {
+   public:
+      std::string name() const override;
+
+      KDF* clone() const override { return new X942_PRF(m_key_wrap_oid); }
+
+      size_t kdf(uint8_t key[], size_t key_len,
+                 const uint8_t secret[], size_t secret_len,
+                 const uint8_t salt[], size_t salt_len,
+                 const uint8_t label[], size_t label_len) const override;
+
+      explicit X942_PRF(const std::string& oid) : m_key_wrap_oid(OID::from_string(oid)) {}
+
+      explicit X942_PRF(const OID& oid) : m_key_wrap_oid(oid) {}
+   private:
+      OID m_key_wrap_oid;
+   };
+
+}
+
+#endif