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Encrypt the md5 value as well to make the file unidentifiable.

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This commit is contained in:
Con Kolivas 2011-03-16 00:29:10 +11:00
parent bf1c1ababc
commit f61632670e
3 changed files with 31 additions and 4 deletions
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13
runzip.c
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@ -347,6 +347,17 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
#endif
if (unlikely(read_1g(control, fd_in, md5_stored, MD5_DIGEST_SIZE) != MD5_DIGEST_SIZE))
fatal("Failed to read md5 data in runzip_fd\n");
if (ENCRYPT) {
/* Even the MD5 value is stored encrypted */
uchar *dec_buf = malloc(MD5_DIGEST_SIZE);
if (unlikely(aes_crypt_cbc(&control->aes_ctx, AES_DECRYPT,
MD5_DIGEST_SIZE, control->hash_iv, md5_stored, dec_buf)))
failure("Failed to aes_crypt_cbc in runzip_fd\n");
for (i = 0; i < MD5_DIGEST_SIZE; i++)
md5_stored[i] = dec_buf[i];
free(dec_buf);
}
for (i = 0; i < MD5_DIGEST_SIZE; i++)
if (md5_stored[i] != md5_resblock[i]) {
print_output("MD5 CHECK FAILED.\nStored:");
@ -379,7 +390,7 @@ i64 runzip_fd(rzip_control *control, int fd_in, int fd_out, int fd_hist, i64 exp
fatal("Failed to fdopen fd_hist in runzip_fd\n");
if (unlikely(md5_stream(md5_fstream, md5_resblock)))
fatal("Failed to md5_stream in runzip_fd\n");
/* We dont' close the file here as it's closed in main */
/* We don't close the file here as it's closed in main */
for (i = 0; i < MD5_DIGEST_SIZE; i++)
if (md5_stored[i] != md5_resblock[i]) {
print_output("MD5 CHECK FAILED.\nStored:");