diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index bbe1aa7..6196207 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -2,6 +2,9 @@
 include_directories(${OPENSSL_INCLUDE_DIR})
 link_directories(${OPENSSL_LIBRARIES})
 
+SET(CERT_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/certs")
+SET(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -DCERT_ROOT_DIR=\"\\\"${CERT_ROOT_DIR}\\\"\"")
+
 add_executable(test_jwt_encode test_jwt_encode.cc)
 target_link_libraries(test_jwt_encode ssl crypto gtest)
 
@@ -13,3 +16,6 @@ target_link_libraries(test_jwt_decode_verifiy ssl crypto gtest)
 
 add_executable(test_jwt_decode_verifiy_with_exception test_jwt_decode_verifiy_with_exception.cc)
 target_link_libraries(test_jwt_decode_verifiy_with_exception ssl crypto gtest)
+
+add_executable(test_jwt_rsa test_jwt_rsa.cc)
+target_link_libraries(test_jwt_rsa ssl crypto gtest)
diff --git a/tests/certs/rsa_certs/rsa256_priv.pem b/tests/certs/rsa_certs/rsa256_priv.pem
new file mode 100644
index 0000000..0f58120
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa256_priv.pem
@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/tests/certs/rsa_certs/rsa256_pub.pem b/tests/certs/rsa_certs/rsa256_pub.pem
new file mode 100644
index 0000000..01f59bf
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa256_pub.pem
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwtpMAM4l1H995oqlqdMh
+uqNuffp4+4aUCwuFE9B5s9MJr63gyf8jW0oDr7Mb1Xb8y9iGkWfhouZqNJbMFry+
+iBs+z2TtJF06vbHQZzajDsdux3XVfXv9v6dDIImyU24MsGNkpNt0GISaaiqv51NM
+ZQX0miOXXWdkQvWTZFXhmsFCmJLE67oQFSar4hzfAaCulaMD+b3Mcsjlh0yvSq7g
+6swiIasEU3qNLKaJAZEzfywroVYr3BwM1IiVbQeKgIkyPS/85M4Y6Ss/T+OWi1Oe
+K49NdYBvFP+hNVEoeZzJz5K/nd6C35IX0t2bN5CVXchUFmaUMYk2iPdhXdsC720t
+BwIDAQAB
+-----END PUBLIC KEY-----
diff --git a/tests/certs/rsa_certs/rsa384_priv.pem b/tests/certs/rsa_certs/rsa384_priv.pem
new file mode 100644
index 0000000..1299493
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa384_priv.pem
@@ -0,0 +1,52 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/tests/certs/rsa_certs/rsa384_pub.pem b/tests/certs/rsa_certs/rsa384_pub.pem
new file mode 100644
index 0000000..78b1d31
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa384_pub.pem
@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----
diff --git a/tests/certs/rsa_certs/rsa512_priv.pem b/tests/certs/rsa_certs/rsa512_priv.pem
new file mode 100644
index 0000000..9e72c83
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa512_priv.pem
@@ -0,0 +1,100 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/tests/certs/rsa_certs/rsa512_pub.pem b/tests/certs/rsa_certs/rsa512_pub.pem
new file mode 100644
index 0000000..f9162df
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa512_pub.pem
@@ -0,0 +1,25 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----
diff --git a/tests/certs/rsa_certs/rsa_key_i37-pub.pem b/tests/certs/rsa_certs/rsa_key_i37-pub.pem
new file mode 100644
index 0000000..7b6d728
--- /dev/null
+++ b/tests/certs/rsa_certs/rsa_key_i37-pub.pem
@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn/7RTQX1xlllgo+aqo5z
+d/+wqaRZwFWp3JJIUXryJ4d153J1gEYdz4RkjFO0X8kpv8qb5hdzWhhZHSItD+07
+LaQXP4lSUuiK1lJAT/YW51D37nCkWm839gAqEGdsWsYQCvqJKSJr4pWCZTEx2MEf
+ikmmnaXPR/VOVgZSj9kIoKo+kFwlw9LGVBHYAeR/W+l5DJQK6Yha8Igi36hnvZqq
+HcQ4gkGUqEc//Tq2nyYNwvAN3ieZvtvL71rFW26FnuA4OwDER+TYSkAr8Z4wH2Ed
+Gno1GZQAegIm+yWblleCaBVOnlk8VcDO9PecTiAFjjWAbQiaFKlkf/plD7KE4tAa
+mQIDAQAB
+-----END PUBLIC KEY-----
diff --git a/tests/test_jwt_encode b/tests/test_jwt_encode
new file mode 100755
index 0000000..8e4276a
Binary files /dev/null and b/tests/test_jwt_encode differ
diff --git a/tests/test_jwt_rsa.cc b/tests/test_jwt_rsa.cc
new file mode 100644
index 0000000..aca52f9
--- /dev/null
+++ b/tests/test_jwt_rsa.cc
@@ -0,0 +1,149 @@
+#include <iostream>
+#include <fstream>
+#include <map>
+#include <chrono>
+
+#include "gtest/gtest.h"
+#include "jwt/jwt.hpp"
+
+#define RSA256_PUB_KEY CERT_ROOT_DIR "/rsa_certs/rsa256_pub.pem"
+#define RSA256_PRIV_KEY CERT_ROOT_DIR "/rsa_certs/rsa256_priv.pem"
+#define RSA384_PUB_KEY CERT_ROOT_DIR "/rsa_certs/rsa384_pub.pem"
+#define RSA384_PRIV_KEY CERT_ROOT_DIR "/rsa_certs/rsa384_priv.pem"
+#define RSA512_PUB_KEY CERT_ROOT_DIR "/rsa_certs/rsa512_pub.pem"
+#define RSA512_PRIV_KEY CERT_ROOT_DIR "/rsa_certs/rsa512_priv.pem"
+
+std::string read_from_file(const std::string& path)
+{
+  std::string contents;
+  std::ifstream is{path, std::ifstream::binary};
+
+  if (is) {
+    // get length of file:
+    is.seekg (0, is.end);
+    auto length = is.tellg();
+    is.seekg (0, is.beg);
+    contents.resize(length);
+
+    is.read(&contents[0], length);
+    if (!is) {
+      is.close();
+      return {};
+    }
+  }
+
+  is.close();
+  return contents;
+}
+
+TEST (RSAAlgo, RSA256EncodingDecodingTest)
+{
+  using namespace jwt::params;
+
+  const char* expected_sign = 
+    "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJhbGwiLCJleHAiOjE1MTM4NjIzNzEsImlzcyI6ImFydW4ubXVyYWxpZGhhcmFuIn0.jr-Nrny0yGFuIUH8zHLuxpGH5aClwQVin2As2ISsgclu-9IDi1cVCtloIUNRb_ock6X7X41FtGMA_lt_T9wGyLmMzNf4Vu7OPBGfzjEdCHKD8OgcvI0Z4qw7_TFuXEuNSnbwkYFZ9S2g8uPzO0raVk4aIuczo58btwEDrsoE7TNBMTHjfL92zZ90YcFqW5WZKn9Y_dF1rb5UXARF6YSzzVjaNC86FWUl86wwo9cir0nxVPD4zKol_x2xyiP6n4n-sUX0_dM_-KMSfDqdr34quq3ZxcP5vjT-8FWb4t_IWHBmLrNsjS1so9a_5u7vcSBX1llX9Vgztv0zB7B8rEkFTw";
+
+  std::string key = read_from_file(RSA256_PRIV_KEY);
+  ASSERT_TRUE (key.length());
+
+  jwt::jwt_object obj{algorithm("RS256"), secret(key)};
+
+  obj.add_claim("iss", "arun.muralidharan")
+     .add_claim("aud", "all")
+     .add_claim("exp", 1513862371)
+     ;
+
+  std::error_code ec;
+  auto enc_str = obj.signature(ec);
+  EXPECT_FALSE (ec);
+
+  EXPECT_EQ (enc_str, expected_sign);
+
+  //Decode
+  key = read_from_file(RSA256_PUB_KEY);
+  ASSERT_TRUE (key.length());
+
+  auto dec_obj = jwt::decode(enc_str, algorithms({"rs256"}), ec, verify(false), secret(key));
+  EXPECT_FALSE (ec);
+}
+
+TEST (RSAAlgo, RSA384EncodingDecodingTest)
+{
+  using namespace jwt::params;
+
+  std::string key = read_from_file(RSA384_PRIV_KEY);
+  ASSERT_TRUE (key.length());
+
+  const char* expected_str = 
+    "eyJhbGciOiJSUzM4NCIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJhbGwiLCJleHAiOjE1MTM4NjIzNzIsImlzcyI6ImFydW4ubXVyYWxpZGhhcmFuIn0.iXQyGTmHAjdfXXgcMZn31xqv05h8Qoa3GGlSF5-42kPkd6iLPWzxky15FFW8qkvO-DiXDpOM4BoDANYCKNTSOToyuhCZ6dn_WH8RQzU6KOqRccYe2Fgvo7XnrgE_iHIMYPejc2kAUh1xLpE31WCU2P1afo2KN_-DV7kCmDJY6qpFtCctbbPNOhv6XbYpQlTblZeYDh1HVO--KWuhYl17kgjj3W-3fEoQjgaiprZ_JsTxRTN05aGT_AY15-FW0jPgPPBw5FnIX6P-j18F3BrG-lji7BuNrvyCUT3ZX35yBkBv9Ri5B3SLALy2bD0qGGE_G9_Orfm9yU9oQySLMO1qLiMbKLakLB5kMSy049C2Pdx9Nz47hqQWOHOWNRGwwTkKAwjeu1dTjv14QOmLcefM6GoXoCMZaFcmEqr63CgyLrnlsVS6vLkazyWcKD6eg51vPa8Rnn1V5u1EgNNnT6nU6iZ9_POJcf9_s-7HNpAXtlckia-OIrdLG-5cm93h1rAfVois43m0EwNtTr_DZ2JDtM9BifaS5MsktztUjrh1hjF5vDLBQc8vAYX0YbWOx_0NTn0aRYzOZ9kIhFxkaY320h8AS_7iFa5sA-ygeJdR-EvdlUZcoRzPzQFkrtatK-UE_VlSisUCsqoxHefx799aNjqz4FDLcyQRekdmVMb8Ew8";
+
+  jwt::jwt_object obj{algorithm("RS384"), secret(key)};
+
+  obj.add_claim("iss", "arun.muralidharan")
+     .add_claim("aud", "all")
+     .add_claim("exp", 1513862372)
+     ;
+
+  auto enc_str = obj.signature();
+  EXPECT_EQ (enc_str, expected_str);
+
+  //Decode
+  key = read_from_file(RSA384_PUB_KEY);
+  ASSERT_TRUE (key.length());
+
+  auto dec_obj = jwt::decode(enc_str, algorithms({"none", "hs384", "rs384"}), verify(false), secret(key));
+  EXPECT_EQ (dec_obj.header().algo(), jwt::algorithm::RS384);
+}
+
+TEST (RSAAlgo, RSA512EncodingDecodingTest)
+{
+  using namespace jwt::params;
+
+  const char* expected_str = 
+    "eyJhbGciOiJSUzUxMiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJhbGwiLCJleHAiOjE1MTM4NjIzNzIsImlzcyI6ImFydW4ubXVyYWxpZGhhcmFuIn0.ZNkLnf565-NFfxkbosJra1CJEgCLFf0jmgb7Q8eZrzxIrE4C4dOjpGD13f0jm2FqidUxAvFVrHI2ahhZi4Bu65qQtV4mVVftiD0qTaYzh26ql0MFqTKYEeKtU0kFXAzH7f9689z7mQ2n8aw7H8WHrfe17ub19Xyj-MirCECcWjcuGWBhsdz0y-dKy_GJYnpf8mHvmQAjkH5ynUV5NXHIBDO6eKssxX36Ow9_KYZ1HrCCUT_B-TQfNrnHAJgCydO-cX9iaAxV5aKvOdMGopHz14fX4oI9qH4aBzcroRbs77UsJZ-CMoRnUoXQP7DPORvEEUOQepANu9gqmymfJin8oEDotlj7eoJkFD3j64dkMT2bnRe8k2akPgUiDTeIrvNBuOIMDJtekoVpTo0fytveeDVPpDli9uX6DkJW1GGFLSRR-J-I8WbKRMKadmKOpDn3LF71hOo2mcXAsSwleFi9xB39bLBKJcqL_DtBoZBt0QSqMs6nRVj1U-3vYtuaa_eM3TfxhWWPZULaGVaVfpefRGdqtjrU0z5oO_vjviYujXK5_vM8zTroLVEaOyJYCeh2h_5N5LaOlf8BDu2PF3epNuCmM7G2PWEH7aPn5o-vvKTg_SM32jJXbXp2gkplEdQIWFh3jtjcRe9wNa9aPJE3I1hn1ZbqiAGUzBLWYUYpvstWXGbmxOoh6FkNJERb2hOIZgGLMvwWZXUU3GICcI5DMFOdDsuANpLg5FygsQ68JpuqKrUxu1Yh55--GHuDI7tqdHsPhPUzTmZrSvRog0w07dUAZCIBsGsSLX3wViobWbpVuY4pB7KXGIfdXgLfLgcERe_CxtnoPGF36zsqBflSXcqXwJ4qRK6BpTvKyUXf6pWEWOnuKomk8aENbT6nTr7naRJb5L3J4zhE-5O_Yetw9aCTzy9vN8a22n0JHXeroAwTpLR_wsQwDPwN-K99JVUKwR-FvOkJhE7_wwbUXmjiacKjXrwQ0OWnhXigQRLfdHG2OyH6_It5dpBmBOyWx2X-tfQ6Wz-_2bKCALl487Amq56hhNJhbQuJFIR59RylVAWKmfeeno2qcTZgrI_mO3PJCCUxBn5hK81HJuOtZ4YmeDHPvLW8Tiv5KqfRMWJKhyFthB74FvUINiEn0jvbuLR3YuyTgpf22lohT4-mHq5FrEd3plGvj0fVI_zeGhAFBhQYMW-MAJo7oylTOMtSZ1JHHuvBPR6FvMTgaPTAum6Dsl-I4_O_OKgtgovefBgwh4TOm_vsJmjVYFRr0Eo3OqsfNw3OwSKnuv5I76thh6DN879UZiyJG_7lcz_L6d0g4fGCvdM45zgQp3U3l8fJN1MRYCx5mxJAYeVlnCpmqueuww";
+
+  std::string key = read_from_file(RSA512_PRIV_KEY);
+  ASSERT_TRUE (key.length());
+
+  jwt::jwt_object obj{algorithm("RS512"), secret(key)};
+  obj.add_claim("iss", "arun.muralidharan")
+     .add_claim("aud", "all")
+     .add_claim("exp", 1513862372)
+     ;
+
+  auto enc_str = obj.signature();
+  EXPECT_EQ (enc_str, expected_str);
+
+
+  key = read_from_file(RSA512_PUB_KEY);
+  ASSERT_TRUE (key.length());
+
+  auto dec_obj = jwt::decode(enc_str, algorithms({"none", "hs384", "rs512"}), verify(false), secret(key));
+  EXPECT_EQ (dec_obj.header().algo(), jwt::algorithm::RS512);
+}
+
+TEST (RSAAlgo, NoSpecificAlgo)
+{
+  using namespace jwt::params;
+
+  std::string key = read_from_file(RSA512_PRIV_KEY);
+  ASSERT_TRUE (key.length());
+
+  jwt::jwt_object obj{algorithm("RS512"), secret(key)};
+  obj.add_claim("iss", "arun.muralidharan")
+     .add_claim("aud", "all")
+     .add_claim("exp", 1513862372)
+     ;
+
+  auto enc_str = obj.signature();
+  key = read_from_file(RSA512_PUB_KEY);
+  ASSERT_TRUE (key.length());
+
+  EXPECT_THROW (jwt::decode(enc_str, algorithms({"none", "hs384", "rs384"}), verify(true), secret(key)),
+                jwt::InvalidAlgorithmError);
+}
+
+int main(int argc, char* argv[]) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}