1 files changed, 117 insertions, 0 deletions
diff --git a/src/tests/kat_rsa.cpp b/src/tests/kat_rsa.cpp
new file mode 100644
index 000000000..2d24c6073
--- /dev/null
+++ b/src/tests/kat_rsa.cpp
@@ -0,0 +1,117 @@
+#include "tests.h"
+#include "test_pubkey.h"
+
+#include <botan/auto_rng.h>
+#include <botan/pubkey.h>
+#include <botan/rsa.h>
+#include <botan/hex.h>
+#include <iostream>
+#include <fstream>
+
+using namespace Botan;
+
+namespace {
+
+size_t rsaes_kat(const std::string& e,
+                 const std::string& p,
+                 const std::string& q,
+                 const std::string& msg,
+                 std::string padding,
+                 const std::string& nonce,
+                 const std::string& output)
+   {
+   AutoSeeded_RNG rng;
+
+   RSA_PrivateKey privkey(rng, BigInt(p), BigInt(q), BigInt(e));
+
+   RSA_PublicKey pubkey = privkey;
+
+   if(padding == "")
+      padding = "Raw";
+
+   PK_Encryptor_EME enc(pubkey, padding);
+   PK_Decryptor_EME dec(privkey, padding);
+
+   return validate_encryption(enc, dec, "RSAES/" + padding, msg, nonce, output);
+   }
+
+size_t rsa_sig_kat(const std::string& e,
+                 const std::string& p,
+                 const std::string& q,
+                 const std::string& msg,
+                 std::string padding,
+                 const std::string& nonce,
+                 const std::string& output)
+   {
+   AutoSeeded_RNG rng;
+
+   RSA_PrivateKey privkey(rng, BigInt(p), BigInt(q), BigInt(e));
+
+   RSA_PublicKey pubkey = privkey;
+
+   if(padding == "")
+      padding = "Raw";
+
+   PK_Verifier verify(pubkey, padding);
+   PK_Signer sign(privkey, padding);
+
+   return validate_signature(verify, sign, "RSA/" + padding, msg, nonce, output);
+   }
+
+size_t rsa_sig_verify(const std::string& e,
+                      const std::string& n,
+                      const std::string& msg,
+                      std::string padding,
+                      const std::string& signature)
+   {
+   AutoSeeded_RNG rng;
+
+   BigInt e_bn(e);
+   BigInt n_bn(n);
+
+   RSA_PublicKey key(n_bn, e_bn);
+
+   if(padding == "")
+      padding = "Raw";
+
+   PK_Verifier verify(key, padding);
+
+   if(!verify.verify_message(hex_decode(msg), hex_decode(signature)))
+      return 1;
+   return 0;
+   }
+
+}
+
+size_t test_rsa()
+   {
+   std::ifstream rsa_enc(TEST_DATA_DIR "/rsaes.vec");
+   std::ifstream rsa_sig(TEST_DATA_DIR "/rsa_sig.vec");
+   std::ifstream rsa_verify(TEST_DATA_DIR "/rsa_verify.vec");
+
+   size_t fails = 0;
+
+   fails += run_tests_bb(rsa_enc, "RSA Encryption", "Ciphertext", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return rsaes_kat(m["E"], m["P"], m["Q"], m["Msg"],
+                              m["Padding"], m["Nonce"], m["Ciphertext"]);
+             });
+
+   fails += run_tests_bb(rsa_sig, "RSA Signature", "Signature", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return rsa_sig_kat(m["E"], m["P"], m["Q"], m["Msg"],
+                                m["Padding"], m["Nonce"], m["Signature"]);
+             });
+
+   fails += run_tests_bb(rsa_verify, "RSA Verify", "Signature", true,
+             [](std::map<std::string, std::string> m) -> size_t
+             {
+             return rsa_sig_verify(m["E"], m["N"], m["Msg"],
+                                   m["Padding"], m["Signature"]);
+             });
+
+   return fails;
+   }
+