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authorWerner Koch <[email protected]>1999-05-08 17:35:16 +0000
committerWerner Koch <[email protected]>1999-05-08 17:35:16 +0000
commita1dcec76c1f85b95c1eff73d12c1c13f699aaecb (patch)
treea041bdf1210b06678f548af47f1ab65fe23ca973 /g10/encode.c
parent. (diff)
downloadgnupg-a1dcec76c1f85b95c1eff73d12c1c13f699aaecb.tar.gz
gnupg-a1dcec76c1f85b95c1eff73d12c1c13f699aaecb.zip
See ChangeLog: Sat May 8 19:28:33 CEST 1999 Werner Koch
Diffstat (limited to '')
-rw-r--r--g10/encode.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/g10/encode.c b/g10/encode.c
index ba97299e2..775d64f15 100644
--- a/g10/encode.c
+++ b/g10/encode.c
@@ -39,7 +39,6 @@
static int encode_simple( const char *filename, int mode );
-static int encode_crypt_mdc( const char* fname, STRLIST remusr );
static int write_pubkey_enc_from_list( PK_LIST pk_list, DEK *dek, IOBUF out );
@@ -216,9 +215,6 @@ encode_crypt( const char *filename, STRLIST remusr )
PK_LIST pk_list;
int do_compress = opt.compress && !opt.rfc1991;
- if( opt.force_mdc )
- return encode_crypt_mdc( filename, remusr );
-
memset( &cfx, 0, sizeof cfx);
memset( &afx, 0, sizeof afx);
@@ -335,191 +331,6 @@ encode_crypt( const char *filename, STRLIST remusr )
-static int
-encode_crypt_mdc( const char* fname, STRLIST remusr )
-{
- armor_filter_context_t afx;
- compress_filter_context_t zfx;
- md_filter_context_t mfx;
- text_filter_context_t tfx;
- encrypt_filter_context_t efx;
- IOBUF inp = NULL, out = NULL;
- PACKET pkt;
- PKT_plaintext *pt = NULL;
- u32 filesize;
- int rc = 0;
- PK_LIST pk_list = NULL;
- int compr_algo = -1; /* unknown */
-
-
- memset( &afx, 0, sizeof afx);
- memset( &zfx, 0, sizeof zfx);
- memset( &mfx, 0, sizeof mfx);
- memset( &tfx, 0, sizeof tfx);
- memset( &efx, 0, sizeof efx);
- init_packet( &pkt );
-
- if( (rc=build_pk_list( remusr, &pk_list, PUBKEY_USAGE_ENC )) )
- goto leave;
- compr_algo = select_algo_from_prefs( pk_list, PREFTYPE_COMPR );
-
- /* prepare iobufs */
- if( !(inp = iobuf_open(fname)) ) {
- log_error("can't open %s: %s\n", fname? fname: "[stdin]",
- strerror(errno) );
- rc = G10ERR_OPEN_FILE;
- goto leave;
- }
-
- if( (rc = open_outfile( fname, opt.armor? 1: 0, &out )))
- goto leave;
-
- /* prepare to calculate the MD over the input */
- mfx.md = md_open( DIGEST_ALGO_SHA1, 0 );
- iobuf_push_filter( inp, md_filter, &mfx );
-
- if( opt.armor )
- iobuf_push_filter( out, armor_filter, &afx );
- efx.pk_list = pk_list;
- /* fixme: set efx.cfx.datalen if known */
- iobuf_push_filter( out, encrypt_filter, &efx );
-
- if( opt.compress ) {
- if( !compr_algo )
- ; /* don't use compression */
- else {
- if( compr_algo == 1 )
- zfx.algo = 1;
- iobuf_push_filter( out, compress_filter, &zfx );
- }
- }
-
- /* build a one pass packet */
- {
- PKT_onepass_sig *ops;
-
- ops = m_alloc_clear( sizeof *ops );
- ops->sig_class = 0x00;
- ops->digest_algo = DIGEST_ALGO_SHA1;
- ops->pubkey_algo = 0;
- ops->keyid[0] = 0;
- ops->keyid[1] = 0;
- ops->last = 1;
-
- init_packet(&pkt);
- pkt.pkttype = PKT_ONEPASS_SIG;
- pkt.pkt.onepass_sig = ops;
- rc = build_packet( out, &pkt );
- free_packet( &pkt );
- if( rc ) {
- log_error("build onepass_sig packet failed: %s\n",
- g10_errstr(rc));
- goto leave;
- }
- }
-
- /* setup the inner packet */
- if( fname || opt.set_filename ) {
- char *s = make_basename( opt.set_filename ? opt.set_filename : fname );
- pt = m_alloc( sizeof *pt + strlen(s) - 1 );
- pt->namelen = strlen(s);
- memcpy(pt->name, s, pt->namelen );
- m_free(s);
- }
- else { /* no filename */
- pt = m_alloc( sizeof *pt - 1 );
- pt->namelen = 0;
- }
- if( fname ) {
- if( !(filesize = iobuf_get_filelength(inp)) )
- log_info(_("WARNING: `%s' is an empty file\n"), fname );
-
- /* because the text_filter modifies the length of the
- * data, it is not possible to know the used length
- * without a double read of the file - to avoid that
- * we simple use partial length packets.
- */
- if( opt.textmode )
- filesize = 0;
- }
- else
- filesize = 0; /* stdin */
- pt->timestamp = make_timestamp();
- pt->mode = opt.textmode ? 't':'b';
- pt->len = filesize;
- pt->new_ctb = !pt->len;
- pt->buf = inp;
- pkt.pkttype = PKT_PLAINTEXT;
- pkt.pkt.plaintext = pt;
- /*cfx.datalen = filesize? calc_packet_length( &pkt ) : 0;*/
- if( (rc = build_packet( out, &pkt )) )
- log_error("build_packet(PLAINTEXT) failed: %s\n", g10_errstr(rc) );
- pt->buf = NULL;
-
- /* build the MDC faked signature packet */
- {
- PKT_signature *sig;
- MD_HANDLE md;
- byte buf[6];
- size_t n;
-
- sig = m_alloc_clear( sizeof *sig );
- sig->version = 4;
- sig->digest_algo = DIGEST_ALGO_SHA1;
- md = md_copy( mfx.md );
-
- md_putc( md, sig->version );
- md_putc( md, sig->sig_class );
- md_putc( md, sig->pubkey_algo );
- md_putc( md, sig->digest_algo );
- n = 6;
- /* add some magic */
- buf[0] = sig->version;
- buf[1] = 0xff; buf[2] = 0; buf[3] = 0; buf[4] = 0; buf[5] = 6;
- md_write( md, buf, 6 );
- md_final( md );
-
- /* pack the hash into data[0] */
- memcpy( sig->digest_start, md_read( md, DIGEST_ALGO_SHA1), 2 );
- sig->data[0] = mpi_alloc( (20+BYTES_PER_MPI_LIMB-1)
- /BYTES_PER_MPI_LIMB );
- mpi_set_buffer( sig->data[0], md_read(md, DIGEST_ALGO_SHA1),
- md_digest_length(DIGEST_ALGO_SHA1), 0 );
-
- md_close( md );
-
- if( !rc ) { /* and write it */
- init_packet(&pkt);
- pkt.pkttype = PKT_SIGNATURE;
- pkt.pkt.signature = sig;
- rc = build_packet( out, &pkt );
- free_packet( &pkt );
- if( rc )
- log_error("build MDC packet failed: %s\n", g10_errstr(rc) );
- }
- if( rc )
- goto leave;
- }
-
-
- leave:
- if( rc )
- iobuf_cancel(out);
- else
- iobuf_close(out);
- iobuf_close(inp);
- md_close( mfx.md );
- release_pk_list( pk_list );
- return rc;
-}
-
-
-
-
-
-
-
-
/****************
* Filter to do a complete public key encryption.