From c31fd447373d210fd0aaa577908714f5012e01fb Mon Sep 17 00:00:00 2001 From: NIIBE Yutaka Date: Wed, 20 Nov 2019 17:20:22 +0900 Subject: gpg: Use GCRYMPI_FLAG_USER2 for SOS, and hash_public_key with that. Signed-off-by: NIIBE Yutaka --- g10/keyid.c | 15 ++++++++++++--- g10/parse-packet.c | 1 + 2 files changed, 13 insertions(+), 3 deletions(-) diff --git a/g10/keyid.c b/g10/keyid.c index 0fdb18d88..d3fc29a98 100644 --- a/g10/keyid.c +++ b/g10/keyid.c @@ -181,14 +181,23 @@ hash_public_key (gcry_md_hd_t md, PKT_public_key *pk) else if (gcry_mpi_get_flag (pk->pkey[i], GCRYMPI_FLAG_OPAQUE)) { const void *p; + int is_sos = 0; + + if (gcry_mpi_get_flag (pk->pkey[i], GCRYMPI_FLAG_USER2)) + is_sos = 2; p = gcry_mpi_get_opaque (pk->pkey[i], &nbits); - pp[i] = xmalloc ((nbits+7)/8); + pp[i] = xmalloc ((nbits+7)/8 + is_sos); if (p) - memcpy (pp[i], p, (nbits+7)/8); + memcpy (pp[i] + is_sos, p, (nbits+7)/8); else pp[i] = NULL; - nn[i] = (nbits+7)/8; + if (is_sos) + { + pp[i][0] = (nbits >> 8); + pp[i][1] = nbits; + } + nn[i] = (nbits+7)/8 + is_sos; n += nn[i]; } else diff --git a/g10/parse-packet.c b/g10/parse-packet.c index c6037d755..54ce04abb 100644 --- a/g10/parse-packet.c +++ b/g10/parse-packet.c @@ -234,6 +234,7 @@ sos_read (iobuf_t inp, unsigned int *ret_nread, int secure) } a = gcry_mpi_set_opaque (NULL, buf, nbits); + gcry_mpi_set_flag (a, GCRYMPI_FLAG_USER2); *ret_nread = nread; return a; -- cgit v1.2.3