lib/libssh2
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Remove non-iovec based RSA/DSA signing (not used, and DSA code even buggy).

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This commit is contained in:
Simon Josefsson
2007-01-22 14:15:38 +00:00
parent 0fab9e9614
commit fe979040a2
2 changed files with 0 additions and 78 deletions
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77
src/hostkey.c
View File

@@ -175,44 +175,6 @@ static int libssh2_hostkey_method_ssh_rsa_sig_verify(LIBSSH2_SESSION *session,
} }
/* }}} */ /* }}} */
/* {{{ libssh2_hostkey_method_ssh_rsa_sign
* Sign data to send to remote
*/
static int libssh2_hostkey_method_ssh_rsa_sign(LIBSSH2_SESSION *session, unsigned char **signature, unsigned long *signature_len,
const unsigned char *buf, unsigned long buf_len, void **abstract)
{
RSA *rsactx = (RSA*)(*abstract);
int ret;
unsigned char hash[SHA_DIGEST_LENGTH];
libssh2_sha1_ctx ctx;
unsigned char *sig;
unsigned int sig_len;
sig_len = RSA_size(rsactx);
sig = LIBSSH2_ALLOC(session, sig_len);
if (!sig) {
return -1;
}
libssh2_sha1_init(&ctx);
libssh2_sha1_update(ctx, buf, buf_len);
libssh2_sha1_final(ctx, hash);
ret = RSA_sign(NID_sha1, hash, SHA_DIGEST_LENGTH, sig,
&sig_len, rsactx);
if (!ret) {
LIBSSH2_FREE(session, sig);
return -1;
}
*signature = sig;
*signature_len = sig_len;
return 0;
}
/* }}} */
/* {{{ libssh2_hostkey_method_ssh_rsa_signv /* {{{ libssh2_hostkey_method_ssh_rsa_signv
* Construct a signature from an array of vectors * Construct a signature from an array of vectors
*/ */
@@ -277,7 +239,6 @@ static LIBSSH2_HOSTKEY_METHOD libssh2_hostkey_method_ssh_rsa = {
libssh2_hostkey_method_ssh_rsa_init, libssh2_hostkey_method_ssh_rsa_init,
libssh2_hostkey_method_ssh_rsa_initPEM, libssh2_hostkey_method_ssh_rsa_initPEM,
libssh2_hostkey_method_ssh_rsa_sig_verify, libssh2_hostkey_method_ssh_rsa_sig_verify,
libssh2_hostkey_method_ssh_rsa_sign,
libssh2_hostkey_method_ssh_rsa_signv, libssh2_hostkey_method_ssh_rsa_signv,
NULL, /* encrypt */ NULL, /* encrypt */
libssh2_hostkey_method_ssh_rsa_dtor, libssh2_hostkey_method_ssh_rsa_dtor,
@@ -392,43 +353,6 @@ static int libssh2_hostkey_method_ssh_dss_sig_verify(LIBSSH2_SESSION *session, c
} }
/* }}} */ /* }}} */
/* {{{ libssh2_hostkey_method_ssh_dss_sign
* Sign data to send to remote
*/
static int libssh2_hostkey_method_ssh_dss_sign(LIBSSH2_SESSION *session, unsigned char **signature, unsigned long *signature_len,
const unsigned char *buf, unsigned long buf_len, void **abstract)
{
DSA *dsactx = (DSA*)(*abstract);
DSA_SIG *sig;
unsigned char hash[SHA_DIGEST_LENGTH];
libssh2_sha1_ctx ctx;
*signature = LIBSSH2_ALLOC(session, 2 * SHA_DIGEST_LENGTH);
*signature_len = 2 * SHA_DIGEST_LENGTH;
if (!(*signature)) {
return -1;
}
libssh2_sha1_init(&ctx);
libssh2_sha1_update(ctx, buf, buf_len);
libssh2_sha1_final(ctx, hash);
sig = DSA_do_sign(hash, SHA_DIGEST_LENGTH, dsactx);
if (!sig) {
LIBSSH2_FREE(session, *signature);
return -1;
}
BN_bn2bin(sig->r, *signature);
BN_bn2bin(sig->s, *signature + SHA_DIGEST_LENGTH);
DSA_SIG_free(sig);
return 0;
}
/* }}} */
/* {{{ libssh2_hostkey_method_ssh_dss_signv /* {{{ libssh2_hostkey_method_ssh_dss_signv
* Construct a signature from an array of vectors * Construct a signature from an array of vectors
*/ */
@@ -503,7 +427,6 @@ static LIBSSH2_HOSTKEY_METHOD libssh2_hostkey_method_ssh_dss = {
libssh2_hostkey_method_ssh_dss_init, libssh2_hostkey_method_ssh_dss_init,
libssh2_hostkey_method_ssh_dss_initPEM, libssh2_hostkey_method_ssh_dss_initPEM,
libssh2_hostkey_method_ssh_dss_sig_verify, libssh2_hostkey_method_ssh_dss_sig_verify,
libssh2_hostkey_method_ssh_dss_sign,
libssh2_hostkey_method_ssh_dss_signv, libssh2_hostkey_method_ssh_dss_signv,
NULL, /* encrypt */ NULL, /* encrypt */
libssh2_hostkey_method_ssh_dss_dtor, libssh2_hostkey_method_ssh_dss_dtor,

1
src/libssh2_priv.h
View File

@@ -273,7 +273,6 @@ struct _LIBSSH2_HOSTKEY_METHOD {
int (*init)(LIBSSH2_SESSION *session, unsigned char *hostkey_data, unsigned long hostkey_data_len, void **abstract); int (*init)(LIBSSH2_SESSION *session, unsigned char *hostkey_data, unsigned long hostkey_data_len, void **abstract);
int (*initPEM)(LIBSSH2_SESSION *session, unsigned const char *privkeyfile, unsigned const char *passphrase, void **abstract); int (*initPEM)(LIBSSH2_SESSION *session, unsigned const char *privkeyfile, unsigned const char *passphrase, void **abstract);
int (*sig_verify)(LIBSSH2_SESSION *session, const unsigned char *sig, unsigned long sig_len, const unsigned char *m, unsigned long m_len, void **abstract); int (*sig_verify)(LIBSSH2_SESSION *session, const unsigned char *sig, unsigned long sig_len, const unsigned char *m, unsigned long m_len, void **abstract);
int (*sign)(LIBSSH2_SESSION *session, unsigned char **signature, unsigned long *signature_len, const unsigned char *data, unsigned long data_len, void **abstract);
int (*signv)(LIBSSH2_SESSION *session, unsigned char **signature, unsigned long *signature_len, unsigned long veccount, const struct iovec datavec[], void **abstract); int (*signv)(LIBSSH2_SESSION *session, unsigned char **signature, unsigned long *signature_len, unsigned long veccount, const struct iovec datavec[], void **abstract);
int (*encrypt)(LIBSSH2_SESSION *session, unsigned char **dst, unsigned long *dst_len, const unsigned char *src, unsigned long src_len, void **abstract); int (*encrypt)(LIBSSH2_SESSION *session, unsigned char **dst, unsigned long *dst_len, const unsigned char *src, unsigned long src_len, void **abstract);
int (*dtor)(LIBSSH2_SESSION *session, void **abstract); int (*dtor)(LIBSSH2_SESSION *session, void **abstract);