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- add explicit check that correct keytype exists for pubkey verification

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--HG--
extra : convert_revision : 8d86185c9b7efcedc1d640208c03bb1b377cc502
This commit is contained in:
Matt Johnston 2005-09-06 03:57:21 +00:00
parent 18b082955b
commit 744268f388
1 changed files with 6 additions and 0 deletions
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6
signkey.c
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@ -404,6 +404,9 @@ int buf_verify(buffer * buf, sign_key *key, const unsigned char *data,
if (bloblen == DSS_SIGNATURE_SIZE && if (bloblen == DSS_SIGNATURE_SIZE &&
memcmp(ident, SSH_SIGNKEY_DSS, identlen) == 0) { memcmp(ident, SSH_SIGNKEY_DSS, identlen) == 0) {
m_free(ident); m_free(ident);
if (key->dsskey == NULL) {
dropbear_exit("no dss key to verify signature");
}
return buf_dss_verify(buf, key->dsskey, data, len); return buf_dss_verify(buf, key->dsskey, data, len);
} }
#endif #endif
@ -411,6 +414,9 @@ int buf_verify(buffer * buf, sign_key *key, const unsigned char *data,
#ifdef DROPBEAR_RSA #ifdef DROPBEAR_RSA
if (memcmp(ident, SSH_SIGNKEY_RSA, identlen) == 0) { if (memcmp(ident, SSH_SIGNKEY_RSA, identlen) == 0) {
m_free(ident); m_free(ident);
if (key->rsakey == NULL) {
dropbear_exit("no rsa key to verify signature");
}
return buf_rsa_verify(buf, key->rsakey, data, len); return buf_rsa_verify(buf, key->rsakey, data, len);
} }
#endif #endif