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-rw-r--r--openssl/demos/sign/sign.c175
1 files changed, 91 insertions, 84 deletions
diff --git a/openssl/demos/sign/sign.c b/openssl/demos/sign/sign.c
index a6c66e17c..22f53fb60 100644
--- a/openssl/demos/sign/sign.c
+++ b/openssl/demos/sign/sign.c
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,19 +49,22 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
-/* sign-it.cpp - Simple test app using SSLeay envelopes to sign data
- 29.9.1996, Sampo Kellomaki <sampo@iki.fi> */
+/*
+ * sign-it.cpp - Simple test app using SSLeay envelopes to sign data
+ * 29.9.1996, Sampo Kellomaki <sampo@iki.fi>
+ */
/* converted to C - eay :-) */
-/* reformated a bit and converted to use the more common functions: this was
+/*
+ * reformated a bit and converted to use the more common functions: this was
* initially written at the dawn of time :-) - Steve.
*/
@@ -74,80 +77,84 @@
#include <openssl/pem.h>
#include <openssl/ssl.h>
-int main ()
+int main()
{
- int err;
- int sig_len;
- unsigned char sig_buf [4096];
- static char certfile[] = "cert.pem";
- static char keyfile[] = "key.pem";
- static char data[] = "I owe you...";
- EVP_MD_CTX md_ctx;
- EVP_PKEY * pkey;
- FILE * fp;
- X509 * x509;
-
- /* Just load the crypto library error strings,
- * SSL_load_error_strings() loads the crypto AND the SSL ones */
- /* SSL_load_error_strings();*/
- ERR_load_crypto_strings();
-
- /* Read private key */
-
- fp = fopen (keyfile, "r");
- if (fp == NULL) exit (1);
- pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
- fclose (fp);
-
- if (pkey == NULL) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
-
- /* Do the signature */
-
- EVP_SignInit (&md_ctx, EVP_sha1());
- EVP_SignUpdate (&md_ctx, data, strlen(data));
- sig_len = sizeof(sig_buf);
- err = EVP_SignFinal (&md_ctx, sig_buf, &sig_len, pkey);
-
- if (err != 1) {
- ERR_print_errors_fp(stderr);
- exit (1);
- }
-
- EVP_PKEY_free (pkey);
-
- /* Read public key */
-
- fp = fopen (certfile, "r");
- if (fp == NULL) exit (1);
- x509 = PEM_read_X509(fp, NULL, NULL, NULL);
- fclose (fp);
-
- if (x509 == NULL) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
-
- /* Get public key - eay */
- pkey=X509_get_pubkey(x509);
- if (pkey == NULL) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
-
- /* Verify the signature */
-
- EVP_VerifyInit (&md_ctx, EVP_sha1());
- EVP_VerifyUpdate (&md_ctx, data, strlen((char*)data));
- err = EVP_VerifyFinal (&md_ctx, sig_buf, sig_len, pkey);
- EVP_PKEY_free (pkey);
-
- if (err != 1) {
- ERR_print_errors_fp (stderr);
- exit (1);
- }
- printf ("Signature Verified Ok.\n");
- return(0);
+ int err;
+ int sig_len;
+ unsigned char sig_buf[4096];
+ static char certfile[] = "cert.pem";
+ static char keyfile[] = "key.pem";
+ static char data[] = "I owe you...";
+ EVP_MD_CTX md_ctx;
+ EVP_PKEY *pkey;
+ FILE *fp;
+ X509 *x509;
+
+ /*
+ * Just load the crypto library error strings, SSL_load_error_strings()
+ * loads the crypto AND the SSL ones
+ */
+ /* SSL_load_error_strings(); */
+ ERR_load_crypto_strings();
+
+ /* Read private key */
+
+ fp = fopen(keyfile, "r");
+ if (fp == NULL)
+ exit(1);
+ pkey = PEM_read_PrivateKey(fp, NULL, NULL, NULL);
+ fclose(fp);
+
+ if (pkey == NULL) {
+ ERR_print_errors_fp(stderr);
+ exit(1);
+ }
+
+ /* Do the signature */
+
+ EVP_SignInit(&md_ctx, EVP_sha1());
+ EVP_SignUpdate(&md_ctx, data, strlen(data));
+ sig_len = sizeof(sig_buf);
+ err = EVP_SignFinal(&md_ctx, sig_buf, &sig_len, pkey);
+
+ if (err != 1) {
+ ERR_print_errors_fp(stderr);
+ exit(1);
+ }
+
+ EVP_PKEY_free(pkey);
+
+ /* Read public key */
+
+ fp = fopen(certfile, "r");
+ if (fp == NULL)
+ exit(1);
+ x509 = PEM_read_X509(fp, NULL, NULL, NULL);
+ fclose(fp);
+
+ if (x509 == NULL) {
+ ERR_print_errors_fp(stderr);
+ exit(1);
+ }
+
+ /* Get public key - eay */
+ pkey = X509_get_pubkey(x509);
+ if (pkey == NULL) {
+ ERR_print_errors_fp(stderr);
+ exit(1);
+ }
+
+ /* Verify the signature */
+
+ EVP_VerifyInit(&md_ctx, EVP_sha1());
+ EVP_VerifyUpdate(&md_ctx, data, strlen((char *)data));
+ err = EVP_VerifyFinal(&md_ctx, sig_buf, sig_len, pkey);
+ EVP_PKEY_free(pkey);
+
+ if (err != 1) {
+ ERR_print_errors_fp(stderr);
+ exit(1);
+ }
+ printf("Signature Verified Ok.\n");
+ return (0);
}