1 files changed, 0 insertions, 69 deletions
diff --git a/src/cert/x509/key_constraint.cpp b/src/cert/x509/key_constraint.cpp
deleted file mode 100644
index 8a4b3deb3..000000000
--- a/src/cert/x509/key_constraint.cpp
+++ /dev/null
@@ -1,69 +0,0 @@
-/*
-* KeyUsage
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/key_constraint.h>
-#include <botan/x509_key.h>
-#include <botan/ber_dec.h>
-
-namespace Botan {
-
-namespace BER {
-
-/*
-* Decode a BER encoded KeyUsage
-*/
-void decode(BER_Decoder& source, Key_Constraints& key_usage)
-   {
-   BER_Object obj = source.get_next_object();
-
-   if(obj.type_tag != BIT_STRING || obj.class_tag != UNIVERSAL)
-      throw BER_Bad_Tag("Bad tag for usage constraint",
-                        obj.type_tag, obj.class_tag);
-   if(obj.value.size() != 2 && obj.value.size() != 3)
-      throw BER_Decoding_Error("Bad size for BITSTRING in usage constraint");
-   if(obj.value[0] >= 8)
-      throw BER_Decoding_Error("Invalid unused bits in usage constraint");
-
-   const byte mask = (0xFF << obj.value[0]);
-   obj.value[obj.value.size()-1] &= mask;
-
-   u16bit usage = 0;
-   for(size_t j = 1; j != obj.value.size(); ++j)
-      usage = (obj.value[j] << 8) | usage;
-
-   key_usage = Key_Constraints(usage);
-   }
-
-}
-
-/*
-* Find the allowable key constraints
-*/
-Key_Constraints find_constraints(const Public_Key& pub_key,
-                                 Key_Constraints limits)
-   {
-   const std::string name = pub_key.algo_name();
-
-   size_t constraints = 0;
-
-   if(name == "DH" || name == "ECDH")
-      constraints |= KEY_AGREEMENT;
-
-   if(name == "RSA" || name == "ElGamal")
-      constraints |= KEY_ENCIPHERMENT | DATA_ENCIPHERMENT;
-
-   if(name == "RSA" || name == "RW" || name == "NR" ||
-      name == "DSA" || name == "ECDSA")
-      constraints |= DIGITAL_SIGNATURE | NON_REPUDIATION;
-
-   if(limits)
-      constraints &= limits;
-
-   return Key_Constraints(constraints);
-   }
-
-}