Mercurial > vim
diff src/sha256.c @ 2267:c08f91142c41 vim73
Crypt the swapfile.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Mon, 21 Jun 2010 06:15:46 +0200 |
| parents | b7cb69ab616d |
| children | ccda151dde4e |
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--- a/src/sha256.c +++ b/src/sha256.c @@ -402,7 +402,8 @@ get_some_time() } /* - * set header = sha2_seed(random_data); + * Fill "header[header_len]" with random_data. + * Also "salt[salt_len]" when "salt" is not NULL. */ void sha2_seed(header, header_len, salt, salt_len) @@ -429,8 +430,9 @@ sha2_seed(header, header_len, salt, salt header[i] = sha256sum[i % sizeof(sha256sum)]; /* put remaining block into salt. */ - for (i = 0; i < salt_len; i++) - salt[i] = sha256sum[(i + header_len) % sizeof(sha256sum)]; + if (salt != NULL) + for (i = 0; i < salt_len; i++) + salt[i] = sha256sum[(i + header_len) % sizeof(sha256sum)]; } #endif /* FEAT_CRYPT */