PEM signing now works...silly double pointergit add -A Test code still needs to be removed

include/jwt/test/test_evp.c

@@ -0,0 +1,45 @@
+#include <stdio.h>
+ #include <openssl/evp.h>
+
+ main(int argc, char *argv[])
+ {
+ EVP_MD_CTX *mdctx;
+ const EVP_MD *md;
+ char mess1[] = "eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6MSwiaXNzIjoiYXJ1bi5jb20iLCJ0aW1lX3N0ciI6Ijg6MThwbSAyNCBOb3YgMjAxNyIsIndoZXJlIjoiYWlycG9ydCJ9";
+ unsigned char md_value[EVP_MAX_MD_SIZE];
+ int md_len, i;
+
+ //OpenSSL_add_all_digests();
+
+ if(!argv[1]) {
+        printf("Usage: mdtest digestname\n");
+        exit(1);
+ }
+
+ md = EVP_sha256();
+
+ if(!md) {
+        printf("Unknown message digest %s\n", argv[1]);
+        exit(1);
+ }
+
+ mdctx = EVP_MD_CTX_create();
+ EVP_DigestInit_ex(mdctx, md, NULL);
+ EVP_DigestUpdate(mdctx, mess1, strlen(mess1));
+ EVP_DigestFinal_ex(mdctx, md_value, &md_len);
+ EVP_MD_CTX_destroy(mdctx);
+
+ printf("Dig: %s\n", md_value);
+ printf("Dig: %d\n", md_len);
+
+ printf("Digest is: ");
+ for(i = 0; i < md_len; i++)
+        printf("%02x", md_value[i]);
+ printf("\n");
+
+ d2i_ECDSA_SIG(NULL, (const unsigned char **)&md_value[0], md_len);
+
+ /* Call this once before exit. */
+ EVP_cleanup();
+ exit(0);
+ }

include/jwt/test/test_jwt_object.cc

@@ -44,7 +44,38 @@ void basic_jwt_object_test()
   auto dec_obj = jwt::jwt_decode(obj3.signature(), "secret");
 }
 
+void jwt_object_pem_test()
+{
+  std::string pub_key = 
+    R"(-----BEGIN PUBLIC KEY-----
+MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEomxC9ycc8AkXSwWQpu1kN5Fmgy/sD/KJ
+qN3tlSZmUEZ3w3c6KYJfK97PMOSZQaUdeydBoq/IOglQQOj8zLqubq5IpaaUiDQ5
+0eJg79PvXuLiVUH98cBL/o8sDVB/sGzz
+-----END PUBLIC KEY-----)";
+
+  std::string priv_key = 
+R"(-----BEGIN EC PRIVATE KEY-----
+MIGkAgEBBDBeLCgapjZmvTatMHaYX3A02+0Ys3Tr8kda+E9DFnmCSiCOEig519fT
+13edeU8YdDugBwYFK4EEACKhZANiAASibEL3JxzwCRdLBZCm7WQ3kWaDL+wP8omo
+3e2VJmZQRnfDdzopgl8r3s8w5JlBpR17J0Gir8g6CVBA6PzMuq5urkilppSINDnR
+4mDv0+9e4uJVQf3xwEv+jywNUH+wbPM=
+-----END EC PRIVATE KEY-----)";
+
+  jwt::jwt_object obj;
+  obj.secret(priv_key);
+  obj.header().algo(jwt::algorithm::ES256);
+
+  obj.add_claim("iss", "arun.com")
+     .add_claim("where", "airport")
+     .add_claim("time_str", "8:18pm 24 Nov 2017")
+     .add_claim("id", 1)
+     ;
+
+  std::cout << "pem sign " << obj.signature() << std::endl;
+}
+
 int main() {
   basic_jwt_object_test();
+  jwt_object_pem_test();
   return 0;
 }