Merge pull request #29 from dgarske/clu_base64

wolfCLU base64 support

wolfCLU/README.md

@@ -19,6 +19,9 @@ recipient of the encrypted file.
 `--enable-opensslextra` provides utility for a hex to binary conversion of
 hexidecimal values.
 
+`--enable-base64encode` enables Base64 encoding (not on by default)
+
+
 Additional features that can be included when configuring wolfssl for
 encryption or decryption are:
 
@@ -44,4 +47,26 @@ Now you should be able to use the wolfssl command line tool.  To verify type:
 
 If everything worked, you should see the wolfssl help page.
 
-Thank you and have fun!
+## Examples
+
+### Base64
+
+#### Encode
+
+```
+./wolfssl -hash base64enc -in README.md > README_encoded.md
+```
+
+#### Decode
+
+```
+./wolfssl -hash base64dec -in README_encoded.md
+```
+
+## Contacts
+
+Please contact support@wolfssl.com with any questions or comments
+
+## License
+
+Copyright (c) 2006-2015 wolfSSL Inc.

wolfCLU/include/wolfssl.h

@@ -65,6 +65,8 @@
     #include <wolfssl/wolfcrypt/camellia.h>
 #endif
 
+#include <wolfssl/wolfcrypt/coding.h>
+
 #ifndef UTIL_H_INCLUDED
 	#define UTIL_H_INCLUDED
 

wolfCLU/src/hash/wolfsslHash.c

@@ -40,9 +40,7 @@ int wolfsslHash(char* in, char* out, char* alg, int size)
     int     i  =   0;           /* loop variable */
     int     ret = -1;           /* return variable */
     int     length;             /* length of hash */
-
+    int     outputAsHexString = 1;
-    output = malloc(size);
-    XMEMSET(output, 0, size);
 
     /* opens input file */
     inFile = fopen(in, "rb");
@@ -76,6 +74,15 @@ int wolfsslHash(char* in, char* out, char* alg, int size)
         ret = (int) fread(input, 1, length, inFile);
         fclose(inFile);
     }
+
+    /* if size not provided then use input length */
+    if (size == 0) {
+        size = length * 4;
+    }
+
+    output = malloc(size);
+    XMEMSET(output, 0, size);
+
     /* hashes using accepted algorithm */
 #ifndef NO_MD5
     if (strcmp(alg, "md5") == 0) {
@@ -109,6 +116,20 @@ int wolfsslHash(char* in, char* out, char* alg, int size)
         ret = wc_Blake2bFinal(&hash, output, size);
     }
 #endif
+
+#ifndef NO_CODING
+#ifdef WOLFSSL_BASE64_ENCODE
+    else if (strcmp(alg, "base64enc") == 0) {
+        ret = Base64_Encode(input, length, output, (word32*)&size);
+        outputAsHexString = 0;
+    }
+#endif /* WOLFSSL_BASE64_ENCODE */
+    else if (strcmp(alg, "base64dec") == 0) {
+        ret = Base64_Decode(input, length, output, (word32*)&size);
+        outputAsHexString = 0;
+    }
+#endif /* !NO_CODING */
+
     if (ret == 0) {
         /* if no errors so far */
         if (out != NULL) {
@@ -118,7 +139,10 @@ int wolfsslHash(char* in, char* out, char* alg, int size)
                 /* if outFile exists */
                 for (i = 0; i < size; i++) {
                     /* writes hashed output to outFile */
+                    if (outputAsHexString)
                         fprintf(outFile, "%02x", output[i]);
+                    else
+                        fprintf(outFile, "%c", output[i]);
                 }
                 fclose(outFile);
             }
@@ -127,7 +151,10 @@ int wolfsslHash(char* in, char* out, char* alg, int size)
             /*  if no output file */
             for (i = 0; i < size; i++) {
                 /* write hashed output to terminal */
+                if (outputAsHexString)
                     printf("%02x", output[i]);
+                else
+                    printf("%c", output[i]);
             }
             printf("\n");
         }

wolfCLU/src/hash/wolfsslHashSetup.c

@@ -48,6 +48,12 @@ int wolfsslHashSetup(int argc, char** argv)
 #endif
 #ifdef HAVE_BLAKE2
         , "blake2b"
+#endif
+#ifndef NO_CODING
+    #ifdef WOLFSSL_BASE64_ENCODE
+        , "base64enc"
+    #endif
+        , "base64dec"
 #endif
     };
 
@@ -146,7 +152,7 @@ int wolfsslHashSetup(int argc, char** argv)
 #endif
 
     /* hashing function */
-    wolfsslHash(in, out, alg, size);
+    ret = wolfsslHash(in, out, alg, size);
 
     free(in);
 

wolfCLU/src/tools/wolfsslFuncs.c

@@ -68,6 +68,7 @@ int     i          =   0;       /* loop variable */
 void wolfsslVerboseHelp()
 {
     printf("\nwolfssl Command Line Utility version %3.1f\n\n", VERSION);
+
     /* hash options */
     const char* algsenc[] = {        /* list of acceptable algorithms */
 #ifndef NO_MD5
@@ -87,6 +88,12 @@ void wolfsslVerboseHelp()
 #endif
 #ifdef HAVE_BLAKE2
         ,"blake2b"
+#endif
+#ifndef NO_CODING
+    #ifdef WOLFSSL_BASE64_ENCODE
+        ,"base64enc"
+    #endif
+        ,"base64dec"
 #endif
     };
 
@@ -123,6 +130,7 @@ void wolfsslVerboseHelp()
         , "blake2b"
 #endif
     };
+
     wolfsslHelp();
 
     printf("Available En/De crypt Algorithms with current configure "
@@ -235,6 +243,12 @@ void wolfsslHashHelp()
 #endif
 #ifdef HAVE_BLAKE2
         ,"blake2b"
+#endif
+#ifndef NO_CODING
+    #ifdef WOLFSSL_BASE64_ENCODE
+        ,"base64enc"
+    #endif
+        ,"base64dec"
 #endif
         };
 
@@ -255,6 +269,7 @@ void wolfsslHashHelp()
 void wolfsslBenchHelp()
 {
     printf("\n");
+
     /* benchmark options */
     const char* algsother[] = {      /* list of acceptable algorithms */
 #ifndef NO_AES
@@ -288,6 +303,7 @@ void wolfsslBenchHelp()
         , "blake2b"
 #endif
     };
+
     printf("\nAvailable tests: (-a to test all)\n");
     printf("Available tests with current configure settings:\n");
     for(i = 0; i < (int) sizeof(algsother)/(int) sizeof(algsother[0]); i++) {
@@ -312,6 +328,7 @@ int wolfsslGetAlgo(char* name, char** alg, char** mode, int* size)
     int     nameCheck   = 0;        /* check for acceptable name */
     int     modeCheck   = 0;        /* check for acceptable mode */
     char*   sz          = 0;        /* key size provided */
+
     const char* acceptAlgs[]  = {   /* list of acceptable algorithms */
 #ifndef NO_AES
         "aes"
@@ -323,6 +340,7 @@ int wolfsslGetAlgo(char* name, char** alg, char** mode, int* size)
         , "camellia"
 #endif
     };
+
     const char* acceptMode[] = {"cbc"
 #ifdef WOLFSSL_AES_COUNTER
         , "ctr"