early-access version 2862

externals/cpp-jwt/include/jwt/test/test_evp.c

@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <openssl/evp.h>
+
+int  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);
+ }