Remove hash.c and stream.c for now.

demos/hash.c

@@ -1,45 +0,0 @@
-/*
- * GraxRabble
- * Demo programs for libsodium.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sodium.h> /* library header */
-
-#include "utils.h" /* utility functions shared by demos */
-
-/*
- * The library ships with a one-shot SHA-512 implementation. Simply allocate
- * all desired data into a single continuous buffer.
- */
-static void
-hash(void)
-{
-    unsigned char h[crypto_hash_BYTES]; /* hash output */
-    unsigned char m[MAX_INPUT_SIZE];    /* message */
-    size_t mlen;                        /* length */
-
-    puts("Example: crypto_hash\n");
-
-    mlen = prompt_input("Input your message > ", (char*)m, sizeof m);
-    putchar('\n');
-
-    printf("Hashing message with %s\n", crypto_hash_primitive());
-    crypto_hash(h, m, mlen);
-    fputs("Hash: ", stdout);
-    print_hex(h, sizeof h);
-    putchar('\n');
-    putchar('\n');
-}
-
-int
-main(void)
-{
-    sodium_init();
-    printf("Using LibSodium %s\n", sodium_version_string());
-
-    hash();
-    return 0;
-}

demos/stream.c

@@ -1,83 +0,0 @@
-/*
- * GraxRabble
- * Demo programs for libsodium.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <sodium.h> /* library header */
-
-#include "utils.h" /* utility functions shared by demos */
-
-/*
- * Stream utilizes a nonce to generate a sequence of bytes. The library has
- * an internal function which XOR data and the stream into an encrypted result.
- *
- * Note that this method does not supply authentication. Try secretbox instead.
- *
- * Note that nonce must be different for each message since it provides
- * change between each operation. It should be safe to use a counter
- * instead of purely random data each time.
- */
-static int
-stream(void)
-{
-    unsigned char k[crypto_stream_KEYBYTES];   /* secret key */
-    unsigned char n[crypto_stream_NONCEBYTES]; /* message nonce */
-    unsigned char m[MAX_INPUT_SIZE];           /* plain-text */
-    unsigned char c[MAX_INPUT_SIZE];           /* cipher-text */
-    size_t mlen;                               /* length */
-    int r;
-
-    puts("Example: crypto_stream\n");
-
-    memset(k, 0, sizeof k);
-    prompt_input("Input your key > ", (char*)k, sizeof k);
-    putchar('\n');
-
-    /* nonce must be generated per message, safe to send with message */
-    puts("Generating nonce...");
-    randombytes_buf(n, sizeof n);
-    fputs("Nonce: ", stdout);
-    print_hex(n, sizeof n);
-    putchar('\n');
-    putchar('\n');
-
-    mlen = prompt_input("Input your message > ", (char*)m, sizeof m);
-    putchar('\n');
-
-    printf("Encrypting with (xor) %s\n", crypto_stream_primitive());
-    crypto_stream_xor(c, m, mlen, n, k);
-    putchar('\n');
-
-    puts("Sending message...");
-    puts("Format: nonce::message");
-    fputs("Ciphertext: ", stdout);
-    print_hex(n, sizeof n);
-    fputs("::", stdout);
-    print_hex(c, mlen);
-    putchar('\n');
-    putchar('\n');
-
-    puts("Opening message...");
-    r = crypto_stream_xor(m, c, mlen, n, k);
-
-    print_verification(r);
-    if (r == 0)
-        printf("Plaintext: %s\n\n", m);
-
-    sodium_memzero(k, sizeof k); /* wipe sensitive data */
-    sodium_memzero(m, sizeof m);
-    sodium_memzero(c, sizeof c);
-    return r;
-}
-
-int
-main(void)
-{
-    sodium_init();
-    printf("Using LibSodium %s\n", sodium_version_string());
-
-    return stream() != 0;
-}