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Allow for 4k ssh keys and better error reporting.

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This commit is contained in:
Werner Koch 2006-08-29 13:12:01 +00:00
parent 6434e92379
commit 6870dcf05d
3 changed files with 42 additions and 2 deletions
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9
agent/command-ssh.c
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@ -526,6 +526,15 @@ stream_read_mpi (estream_t stream, unsigned int secure, gcry_mpi_t *mpint)
if (err)
goto out;
/* To avoid excessive use of secure memory we check that an MPI is
not too large. */
if (mpi_data_size > 520)
{
log_error (_("ssh keys greater than %d bits are not supported\n"), 4096);
err = GPG_ERR_TOO_LARGE;
goto out;
}
err = gcry_mpi_scan (&mpi, GCRYMPI_FMT_STD, mpi_data, mpi_data_size, NULL);
if (err)
goto out;