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Diffstat (limited to 'crypto/heimdal/lib/gssapi/get_mic.c')
-rw-r--r--crypto/heimdal/lib/gssapi/get_mic.c291
1 files changed, 0 insertions, 291 deletions
diff --git a/crypto/heimdal/lib/gssapi/get_mic.c b/crypto/heimdal/lib/gssapi/get_mic.c
deleted file mode 100644
index e890b081b80e..000000000000
--- a/crypto/heimdal/lib/gssapi/get_mic.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include "gssapi_locl.h"
-
-RCSID("$Id: get_mic.c,v 1.21 2003/03/16 18:02:04 lha Exp $");
-
-static OM_uint32
-mic_des
- (OM_uint32 * minor_status,
- const gss_ctx_id_t context_handle,
- gss_qop_t qop_req,
- const gss_buffer_t message_buffer,
- gss_buffer_t message_token,
- krb5_keyblock *key
- )
-{
- u_char *p;
- MD5_CTX md5;
- u_char hash[16];
- des_key_schedule schedule;
- des_cblock deskey;
- des_cblock zero;
- int32_t seq_number;
- size_t len, total_len;
-
- gssapi_krb5_encap_length (22, &len, &total_len);
-
- message_token->length = total_len;
- message_token->value = malloc (total_len);
- if (message_token->value == NULL) {
- *minor_status = ENOMEM;
- return GSS_S_FAILURE;
- }
-
- p = gssapi_krb5_make_header(message_token->value,
- len,
- "\x01\x01"); /* TOK_ID */
-
- memcpy (p, "\x00\x00", 2); /* SGN_ALG = DES MAC MD5 */
- p += 2;
-
- memcpy (p, "\xff\xff\xff\xff", 4); /* Filler */
- p += 4;
-
- /* Fill in later (SND-SEQ) */
- memset (p, 0, 16);
- p += 16;
-
- /* checksum */
- MD5_Init (&md5);
- MD5_Update (&md5, p - 24, 8);
- MD5_Update (&md5, message_buffer->value, message_buffer->length);
- MD5_Final (hash, &md5);
-
- memset (&zero, 0, sizeof(zero));
- memcpy (&deskey, key->keyvalue.data, sizeof(deskey));
- des_set_key (&deskey, schedule);
- des_cbc_cksum ((void *)hash, (void *)hash, sizeof(hash),
- schedule, &zero);
- memcpy (p - 8, hash, 8); /* SGN_CKSUM */
-
- /* sequence number */
- krb5_auth_con_getlocalseqnumber (gssapi_krb5_context,
- context_handle->auth_context,
- &seq_number);
-
- p -= 16; /* SND_SEQ */
- p[0] = (seq_number >> 0) & 0xFF;
- p[1] = (seq_number >> 8) & 0xFF;
- p[2] = (seq_number >> 16) & 0xFF;
- p[3] = (seq_number >> 24) & 0xFF;
- memset (p + 4,
- (context_handle->more_flags & LOCAL) ? 0 : 0xFF,
- 4);
-
- des_set_key (&deskey, schedule);
- des_cbc_encrypt ((void *)p, (void *)p, 8,
- schedule, (des_cblock *)(p + 8), DES_ENCRYPT);
-
- krb5_auth_con_setlocalseqnumber (gssapi_krb5_context,
- context_handle->auth_context,
- ++seq_number);
-
- memset (deskey, 0, sizeof(deskey));
- memset (schedule, 0, sizeof(schedule));
-
- *minor_status = 0;
- return GSS_S_COMPLETE;
-}
-
-static OM_uint32
-mic_des3
- (OM_uint32 * minor_status,
- const gss_ctx_id_t context_handle,
- gss_qop_t qop_req,
- const gss_buffer_t message_buffer,
- gss_buffer_t message_token,
- krb5_keyblock *key
- )
-{
- u_char *p;
- Checksum cksum;
- u_char seq[8];
-
- int32_t seq_number;
- size_t len, total_len;
-
- krb5_crypto crypto;
- krb5_error_code kret;
- krb5_data encdata;
- char *tmp;
- char ivec[8];
-
- gssapi_krb5_encap_length (36, &len, &total_len);
-
- message_token->length = total_len;
- message_token->value = malloc (total_len);
- if (message_token->value == NULL) {
- *minor_status = ENOMEM;
- return GSS_S_FAILURE;
- }
-
- p = gssapi_krb5_make_header(message_token->value,
- len,
- "\x01\x01"); /* TOK-ID */
-
- memcpy (p, "\x04\x00", 2); /* SGN_ALG = HMAC SHA1 DES3-KD */
- p += 2;
-
- memcpy (p, "\xff\xff\xff\xff", 4); /* filler */
- p += 4;
-
- /* this should be done in parts */
-
- tmp = malloc (message_buffer->length + 8);
- if (tmp == NULL) {
- free (message_token->value);
- *minor_status = ENOMEM;
- return GSS_S_FAILURE;
- }
- memcpy (tmp, p - 8, 8);
- memcpy (tmp + 8, message_buffer->value, message_buffer->length);
-
- kret = krb5_crypto_init(gssapi_krb5_context, key, 0, &crypto);
- if (kret) {
- free (message_token->value);
- free (tmp);
- gssapi_krb5_set_error_string ();
- *minor_status = kret;
- return GSS_S_FAILURE;
- }
-
- kret = krb5_create_checksum (gssapi_krb5_context,
- crypto,
- KRB5_KU_USAGE_SIGN,
- 0,
- tmp,
- message_buffer->length + 8,
- &cksum);
- free (tmp);
- krb5_crypto_destroy (gssapi_krb5_context, crypto);
- if (kret) {
- free (message_token->value);
- gssapi_krb5_set_error_string ();
- *minor_status = kret;
- return GSS_S_FAILURE;
- }
-
- memcpy (p + 8, cksum.checksum.data, cksum.checksum.length);
-
- /* sequence number */
- krb5_auth_con_getlocalseqnumber (gssapi_krb5_context,
- context_handle->auth_context,
- &seq_number);
-
- seq[0] = (seq_number >> 0) & 0xFF;
- seq[1] = (seq_number >> 8) & 0xFF;
- seq[2] = (seq_number >> 16) & 0xFF;
- seq[3] = (seq_number >> 24) & 0xFF;
- memset (seq + 4,
- (context_handle->more_flags & LOCAL) ? 0 : 0xFF,
- 4);
-
- kret = krb5_crypto_init(gssapi_krb5_context, key,
- ETYPE_DES3_CBC_NONE, &crypto);
- if (kret) {
- free (message_token->value);
- gssapi_krb5_set_error_string ();
- *minor_status = kret;
- return GSS_S_FAILURE;
- }
-
- if (context_handle->more_flags & COMPAT_OLD_DES3)
- memset(ivec, 0, 8);
- else
- memcpy(ivec, p + 8, 8);
-
- kret = krb5_encrypt_ivec (gssapi_krb5_context,
- crypto,
- KRB5_KU_USAGE_SEQ,
- seq, 8, &encdata, ivec);
- krb5_crypto_destroy (gssapi_krb5_context, crypto);
- if (kret) {
- free (message_token->value);
- gssapi_krb5_set_error_string ();
- *minor_status = kret;
- return GSS_S_FAILURE;
- }
-
- assert (encdata.length == 8);
-
- memcpy (p, encdata.data, encdata.length);
- krb5_data_free (&encdata);
-
- krb5_auth_con_setlocalseqnumber (gssapi_krb5_context,
- context_handle->auth_context,
- ++seq_number);
-
- free_Checksum (&cksum);
- *minor_status = 0;
- return GSS_S_COMPLETE;
-}
-
-OM_uint32 gss_get_mic
- (OM_uint32 * minor_status,
- const gss_ctx_id_t context_handle,
- gss_qop_t qop_req,
- const gss_buffer_t message_buffer,
- gss_buffer_t message_token
- )
-{
- krb5_keyblock *key;
- OM_uint32 ret;
- krb5_keytype keytype;
-
- ret = gss_krb5_get_localkey(context_handle, &key);
- if (ret) {
- gssapi_krb5_set_error_string ();
- *minor_status = ret;
- return GSS_S_FAILURE;
- }
- krb5_enctype_to_keytype (gssapi_krb5_context, key->keytype, &keytype);
-
- switch (keytype) {
- case KEYTYPE_DES :
- ret = mic_des (minor_status, context_handle, qop_req,
- message_buffer, message_token, key);
- break;
- case KEYTYPE_DES3 :
- ret = mic_des3 (minor_status, context_handle, qop_req,
- message_buffer, message_token, key);
- break;
- default :
- *minor_status = KRB5_PROG_ETYPE_NOSUPP;
- ret = GSS_S_FAILURE;
- break;
- }
- krb5_free_keyblock (gssapi_krb5_context, key);
- return ret;
-}
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