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keys: Remove unused obsolete ssh_sign_session_id().

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This commit is contained in:
Andreas Schneider
2011-08-22 14:30:08 +02:00
parent 4de4520559
commit 1e019fee43
2 changed files with 0 additions and 96 deletions
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1
include/libssh/keys.h
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@@ -80,6 +80,5 @@ ssh_string ssh_do_sign_with_agent(struct ssh_session_struct *session,
struct ssh_buffer_struct *buf, struct ssh_public_key_struct *publickey);
ssh_string ssh_do_sign(ssh_session session,ssh_buffer sigbuf,
ssh_private_key privatekey);
ssh_string ssh_sign_session_id(ssh_session session, ssh_private_key privatekey);
#endif /* KEYS_H_ */

95
src/keys.c
View File

@@ -484,101 +484,6 @@ ssh_string ssh_do_sign(ssh_session session, ssh_buffer sigbuf,
return signature;
}
/* this function signs the session id */
ssh_string ssh_sign_session_id(ssh_session session, ssh_private_key privatekey) {
struct ssh_crypto_struct *crypto=session->current_crypto ? session->current_crypto :
session->next_crypto;
unsigned char hash[SHA_DIGEST_LEN + 1] = {0};
ssh_string signature = NULL;
SIGNATURE *sign = NULL;
SHACTX ctx = NULL;
#ifdef HAVE_LIBGCRYPT
gcry_sexp_t data_sexp;
#endif
ctx = sha1_init();
if (ctx == NULL) {
return NULL;
}
sha1_update(ctx,crypto->session_id,SHA_DIGEST_LEN);
sha1_final(hash + 1,ctx);
hash[0] = 0;
#ifdef DEBUG_CRYPTO
ssh_print_hexa("Hash being signed with dsa",hash+1,SHA_DIGEST_LEN);
#endif
sign = malloc(sizeof(SIGNATURE));
if (sign == NULL) {
return NULL;
}
switch(privatekey->type) {
case SSH_KEYTYPE_DSS:
#ifdef HAVE_LIBGCRYPT
if (gcry_sexp_build(&data_sexp, NULL, "%b", SHA_DIGEST_LEN + 1, hash) ||
gcry_pk_sign(&sign->dsa_sign, data_sexp, privatekey->dsa_priv)) {
ssh_set_error(session, SSH_FATAL, "Signing: libgcrypt error");
gcry_sexp_release(data_sexp);
signature_free(sign);
return NULL;
}
#elif defined HAVE_LIBCRYPTO
sign->dsa_sign = DSA_do_sign(hash + 1, SHA_DIGEST_LEN,
privatekey->dsa_priv);
if (sign->dsa_sign == NULL) {
ssh_set_error(session, SSH_FATAL, "Signing: openssl error");
signature_free(sign);
return NULL;
}
#ifdef DEBUG_CRYPTO
ssh_print_bignum("r",sign->dsa_sign->r);
ssh_print_bignum("s",sign->dsa_sign->s);
#endif
#endif /* HAVE_LIBCRYPTO */
sign->rsa_sign = NULL;
break;
case SSH_KEYTYPE_RSA:
#ifdef HAVE_LIBGCRYPT
if (gcry_sexp_build(&data_sexp, NULL, "(data(flags pkcs1)(hash sha1 %b))",
SHA_DIGEST_LEN, hash + 1) ||
gcry_pk_sign(&sign->rsa_sign, data_sexp, privatekey->rsa_priv)) {
ssh_set_error(session, SSH_FATAL, "Signing: libgcrypt error");
gcry_sexp_release(data_sexp);
signature_free(sign);
return NULL;
}
#elif defined HAVE_LIBCRYPTO
sign->rsa_sign = RSA_do_sign(hash + 1, SHA_DIGEST_LEN,
privatekey->rsa_priv);
if (sign->rsa_sign == NULL) {
ssh_set_error(session, SSH_FATAL, "Signing: openssl error");
signature_free(sign);
return NULL;
}
#endif
sign->dsa_sign = NULL;
break;
default:
signature_free(sign);
return NULL;
}
#ifdef HAVE_LIBGCRYPT
gcry_sexp_release(data_sexp);
#endif
sign->type = privatekey->type;
signature = signature_to_string(sign);
signature_free(sign);
return signature;
}
/** @} */
/* vim: set ts=4 sw=4 et cindent: */