diff options
Diffstat (limited to 'g10/build-packet.c')
| -rw-r--r-- | g10/build-packet.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/g10/build-packet.c b/g10/build-packet.c index 945758e98..5bda607b9 100644 --- a/g10/build-packet.c +++ b/g10/build-packet.c @@ -43,6 +43,7 @@ static u32 calc_plaintext( PKT_plaintext *pt ); static int do_plaintext( IOBUF out, int ctb, PKT_plaintext *pt ); static int do_encr_data( IOBUF out, int ctb, PKT_encr_data *ed ); static int do_compressed( IOBUF out, int ctb, PKT_compressed *cd ); +static int do_signature( IOBUF out, int ctb, PKT_signature *sig ); static int calc_header_length( u32 len ); static int write_16(IOBUF inp, u16 a); @@ -92,6 +93,8 @@ build_packet( IOBUF out, PACKET *pkt ) rc = do_compressed( out, ctb, pkt->pkt.compressed ); break; case PKT_SIGNATURE: + rc = do_signature( out, ctb, pkt->pkt.signature ); + break; case PKT_RING_TRUST: default: log_bug("invalid packet type in build_packet()"); @@ -255,6 +258,9 @@ do_pubkey_enc( IOBUF out, int ctb, PKT_pubkey_enc *enc ) } + + + static u32 calc_plaintext( PKT_plaintext *pt ) { @@ -323,6 +329,38 @@ do_compressed( IOBUF out, int ctb, PKT_compressed *cd ) } +static int +do_signature( IOBUF out, int ctb, PKT_signature *sig ) +{ + int rc = 0; + IOBUF a = iobuf_temp(); + + write_version( a, ctb ); + iobuf_put(a, 5 ); /* constant */ + iobuf_put(a, sig->sig_class ); + write_32(a, sig->timestamp ); + write_32(a, sig->keyid[0] ); + write_32(a, sig->keyid[1] ); + iobuf_put(a, sig->pubkey_algo ); + if( sig->pubkey_algo == PUBKEY_ALGO_RSA ) { + iobuf_put(a, sig->d.rsa.digest_algo ); + iobuf_put(a, sig->d.rsa.digest_start[0] ); + iobuf_put(a, sig->d.rsa.digest_start[1] ); + mpi_encode(a, sig->d.rsa.rsa_integer ); + } + else { + rc = G10ERR_PUBKEY_ALGO; + goto leave; + } + + write_header(out, ctb, iobuf_get_temp_length(a) ); + if( iobuf_write_temp( out, a ) ) + rc = G10ERR_WRITE_FILE; + + leave: + iobuf_close(a); + return rc; +} static int |