1 files changed, 122 insertions, 0 deletions

diff --git a/src/lib/libssl/src/demos/maurice/example4.c b/src/lib/libssl/src/demos/maurice/example4.c
new file mode 100644
index 0000000000..d436a20019
--- /dev/null
+++ b/src/lib/libssl/src/demos/maurice/example4.c
@@ -0,0 +1,122 @@
+/* NOCW */
+/*
+        Please read the README file for condition of use, before
+        using this software.
+
+        Maurice Gittens  <mgittens@gits.nl>   January 1997
+
+*/
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <evp.h>
+
+#define STDIN           0
+#define STDOUT          1
+#define BUFLEN          512 
+
+static const char *usage = "Usage: example4 [-d]\n";
+
+void do_encode(void);
+void do_decode(void);
+
+int main(int argc, char *argv[])
+{
+        if ((argc == 1))        
+        {
+                do_encode();
+        }       
+        else if ((argc == 2) && !strcmp(argv[1],"-d"))
+        {
+                do_decode();
+        }
+        else
+        {
+                fprintf(stderr,"%s", usage);
+                exit(1);
+        }
+
+        return 0;               
+}
+
+void do_encode()
+{
+        char buf[BUFLEN];
+        char ebuf[BUFLEN+24];
+        unsigned int ebuflen, rc;
+        EVP_ENCODE_CTX ectx;
+        
+        EVP_EncodeInit(&ectx);
+
+        while(1)
+        {
+                int readlen = read(STDIN, buf, sizeof(buf));
+        
+                if (readlen <= 0)
+                {
+                        if (!readlen)
+                           break;
+                        else
+                        {
+                                perror("read");
+                                exit(1);
+                        }
+                }
+
+                EVP_EncodeUpdate(&ectx, ebuf, &ebuflen, buf, readlen);
+
+                write(STDOUT, ebuf, ebuflen);
+        }
+
+        EVP_EncodeFinal(&ectx, ebuf, &ebuflen); 
+
+        write(STDOUT, ebuf, ebuflen);
+}
+
+void do_decode()
+{
+        char buf[BUFLEN];
+        char ebuf[BUFLEN+24];
+        unsigned int ebuflen, rc;
+        EVP_ENCODE_CTX ectx;
+        
+        EVP_DecodeInit(&ectx);
+
+        while(1)
+        {
+                int readlen = read(STDIN, buf, sizeof(buf));
+                int rc; 
+        
+                if (readlen <= 0)
+                {
+                        if (!readlen)
+                           break;
+                        else
+                        {
+                                perror("read");
+                                exit(1);
+                        }
+                }
+
+                rc = EVP_DecodeUpdate(&ectx, ebuf, &ebuflen, buf, readlen);
+                if (rc <= 0)
+                {
+                        if (!rc)
+                        {
+                                write(STDOUT, ebuf, ebuflen);
+                                break;
+                        }
+
+                        fprintf(stderr, "Error: decoding message\n");
+                        return;
+                }
+
+                write(STDOUT, ebuf, ebuflen);
+        }
+
+        EVP_DecodeFinal(&ectx, ebuf, &ebuflen); 
+
+        write(STDOUT, ebuf, ebuflen); 
+}
+