diff options
| author | Christian Brabandt <cb@256bit.org> | 2021-06-20 14:02:16 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2021-06-20 14:02:16 +0200 |
| commit | f573c6e1ed58d46d694c802eaf5ae3662a952744 (patch) | |
| tree | 9d3ccf4402f322b9d1baf130696a6b0e600ae693 /src/bufwrite.c | |
| parent | 208f0b48b2c616b29f377a1408290111ed2663f7 (diff) | |
patch 8.2.3022: available encryption methods are not strong enoughv8.2.3022
Problem: Available encryption methods are not strong enough.
Solution: Add initial support for xchaha20. (Christian Brabandt,
closes #8394)
Diffstat (limited to 'src/bufwrite.c')
| -rw-r--r-- | src/bufwrite.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/bufwrite.c b/src/bufwrite.c index c7c832cff7..c91bcd9958 100644 --- a/src/bufwrite.c +++ b/src/bufwrite.c @@ -30,6 +30,7 @@ struct bw_info int bw_flags; // FIO_ flags #ifdef FEAT_CRYPT buf_T *bw_buffer; // buffer being written + int bw_finish; // finish encrypting #endif char_u bw_rest[CONV_RESTLEN]; // not converted bytes int bw_restlen; // nr of bytes in bw_rest[] @@ -493,14 +494,14 @@ buf_write_bytes(struct bw_info *ip) if (crypt_works_inplace(ip->bw_buffer->b_cryptstate)) { # endif - crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len); + crypt_encode_inplace(ip->bw_buffer->b_cryptstate, buf, len, ip->bw_finish); # ifdef CRYPT_NOT_INPLACE } else { char_u *outbuf; - len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf); + len = crypt_encode_alloc(curbuf->b_cryptstate, buf, len, &outbuf, ip->bw_finish); if (len == 0) return OK; // Crypt layer is buffering, will flush later. wlen = write_eintr(ip->bw_fd, outbuf, len); @@ -724,6 +725,7 @@ buf_write( #endif #ifdef FEAT_CRYPT write_info.bw_buffer = buf; + write_info.bw_finish = FALSE; #endif // After writing a file changedtick changes but we don't want to display @@ -2015,6 +2017,13 @@ restore_backup: ++s; if (++len != bufsize) continue; +#ifdef FEAT_CRYPT + if (write_info.bw_fd > 0 && lnum == end + && (write_info.bw_flags & FIO_ENCRYPTED) + && *buf->b_p_key != NUL && !filtering + && *ptr == NUL) + write_info.bw_finish = TRUE; + #endif if (buf_write_bytes(&write_info) == FAIL) { end = 0; // write error: break loop @@ -2118,6 +2127,12 @@ restore_backup: if (len > 0 && end > 0) { write_info.bw_len = len; +#ifdef FEAT_CRYPT + if (write_info.bw_fd > 0 && lnum >= end + && (write_info.bw_flags & FIO_ENCRYPTED) + && *buf->b_p_key != NUL && !filtering) + write_info.bw_finish = TRUE; + #endif if (buf_write_bytes(&write_info) == FAIL) end = 0; // write error nchars += len; |