Mercurial > vim
diff src/sha256.c @ 2182:3cb515c62e9c vim73
Minor updates to blowfish encryption.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Sun, 16 May 2010 23:02:33 +0200 |
parents | f60a0c9cbe6c |
children | 5028c4d6d825 |
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--- a/src/sha256.c +++ b/src/sha256.c @@ -28,7 +28,7 @@ static void sha256_starts __ARGS((contex static void sha256_process __ARGS((context_sha256_T *ctx, char_u data[64])); static void sha256_update __ARGS((context_sha256_T *ctx, char_u *input, uint32_t length)); static void sha256_finish __ARGS((context_sha256_T *ctx, char_u digest[32])); -static char *sha256_bytes __ARGS((char *buf, int buflen)); +static char_u *sha256_bytes __ARGS((char_u *buf, int buflen)); static unsigned int get_some_time __ARGS((void)); @@ -277,48 +277,42 @@ sha256_finish(ctx, digest) PUT_UINT32(ctx->state[7], digest, 28); } - static char * +/* + * Returns hex digest of "buf[buflen]" in a static array. + */ + static char_u * sha256_bytes(buf, buflen) - char *buf; - int buflen; + char_u *buf; + int buflen; { char_u sha256sum[32]; - static char hexit[65]; + static char_u hexit[65]; int j; context_sha256_T ctx; sha256_self_test(); sha256_starts(&ctx); - sha256_update(&ctx, (char_u *)buf, buflen); + sha256_update(&ctx, buf, buflen); sha256_finish(&ctx, sha256sum); for (j = 0; j < 32; j++) - sprintf(hexit + j * 2, "%02x", sha256sum[j]); + sprintf((char *)hexit + j * 2, "%02x", sha256sum[j]); hexit[sizeof(hexit) - 1] = '\0'; return hexit; } /* - * Returns sha256(buf) as 64 hex chars. + * Returns sha256(buf) as 64 hex chars in static array. */ - char * + char_u * sha256_key(buf) - char *buf; + char_u *buf; { - static char *hexit = 0; - int buflen; - /* No passwd means don't encrypt */ if (buf == NULL || *buf == NUL) - return ""; + return (char_u *)""; - /* if password is "0", reuse previous hash, for user convienience. */ - if (!strcmp(buf, "0") && hexit) - return hexit; - - buflen = strlen(buf); - hexit = sha256_bytes(buf, buflen); - return hexit; + return sha256_bytes(buf, STRLEN(buf)); } /* @@ -353,7 +347,7 @@ sha256_self_test() char_u buf[1000]; char_u sha256sum[32]; static int failures = 0; - char *hexit; + char_u *hexit; static int sha256_self_tested = 0; if (sha256_self_tested > 0) @@ -364,9 +358,9 @@ sha256_self_test() { if (i < 2) { - hexit = sha256_bytes(sha_self_test_msg[i], - strlen(sha_self_test_msg[i])); - strcpy(output, hexit); + hexit = sha256_bytes((char_u *)sha_self_test_msg[i], + STRLEN(sha_self_test_msg[i])); + STRCPY(output, hexit); } else {