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ecc-sos: Fix SOS handling and revert change of cvt protocol.

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Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2020-05-26 15:20:40 +09:00
parent 85acf0699e
commit 6d226ec8bd
1 changed files with 25 additions and 15 deletions
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10
agent/cvt-openpgp.c
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@ -451,6 +451,7 @@ do_unprotect (const char *passphrase,
nbytes = (nbits+7)/8;
nbits = nbytes * 8;
if (*buffer)
if (nbits >= 8 && !(*buffer & 0x80))
if (--nbits >= 7 && !(*buffer & 0x40))
if (--nbits >= 6 && !(*buffer & 0x20))
@ -882,12 +883,21 @@ convert_from_openpgp_main (ctrl_t ctrl, gcry_sexp_t s_pgp, int dontcare_exist,
value = gcry_sexp_nth_data (list, ++idx, &valuelen);
if (!value || !valuelen)
goto bad_seckey;
if (is_enc || npkey == 1 /* This is ECC */)
{
skey[skeyidx] = gcry_mpi_set_opaque_copy (NULL, value, valuelen*8);
if (!skey[skeyidx])
goto outofmem;
if (is_enc)
/* Encrypted parameters need to have a USER1 flag. */
gcry_mpi_set_flag (skey[skeyidx], GCRYMPI_FLAG_USER1);
}
else
{
if (gcry_mpi_scan (skey + skeyidx, GCRYMPI_FMT_STD,
value, valuelen, NULL))
goto bad_seckey;
}
skeyidx++;
}
skey[skeyidx++] = NULL;