RFC 3161 compliant time stamp request creation, response generation

and response verification.

Submitted by: Zoltan Glozik <zglozik@opentsa.org>
Reviewed by: Ulf Moeller

1 files changed, 347 insertions, 0 deletions

diff --git a/crypto/ts/ts_asn1.c b/crypto/ts/ts_asn1.c
new file mode 100644
index 0000000000..cc6ebb4648
--- /dev/null
+++ b/crypto/ts/ts_asn1.c
@@ -0,0 +1,347 @@
+/* crypto/ts/ts_asn1.c */
+/* Written by Nils Larsch for the OpenSSL project 2004.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project.  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. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <openssl/ts.h>
+#include <openssl/err.h>
+#include <openssl/asn1t.h>
+
+ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
+	ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR),
+	ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING)
+} ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
+IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
+#ifndef OPENSSL_NO_BIO
+int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
+{
+	return ASN1_i2d_bio(i2d_TS_MSG_IMPRINT, bp, (unsigned char *) a);
+}
+#endif
+#ifndef OPENSSL_NO_FP_API
+TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
+	{
+	return (TS_MSG_IMPRINT *) ASN1_d2i_fp((char *(*)()) TS_MSG_IMPRINT_new,
+		(char *(*)()) d2i_TS_MSG_IMPRINT, fp, (unsigned char **) a);
+	}
+
+int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
+	{
+	return ASN1_i2d_fp(i2d_TS_MSG_IMPRINT, fp, (unsigned char *) a);
+	}
+#endif
+
+ASN1_SEQUENCE(TS_REQ) = {
+	ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
+	ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
+	ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
+	ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
+	ASN1_OPT(TS_REQ, cert_req, ASN1_BOOLEAN),
+	ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
+} ASN1_SEQUENCE_END(TS_REQ)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
+IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
+#ifndef OPENSSL_NO_BIO
+TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
+	{
+	return (TS_REQ *) ASN1_d2i_bio((char *(*)()) TS_REQ_new,
+		(char *(*)()) d2i_TS_REQ, bp, (unsigned char **) a);
+	}
+
+int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
+	{
+	return ASN1_i2d_bio(i2d_TS_REQ, bp, (unsigned char *) a);
+	}
+#endif
+#ifndef OPENSSL_NO_FP_API
+TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
+	{
+	return (TS_REQ *) ASN1_d2i_fp((char *(*)()) TS_REQ_new,
+		(char *(*)()) d2i_TS_REQ, fp, (unsigned char **) a);
+	}
+
+int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
+	{
+	return ASN1_i2d_fp(i2d_TS_REQ, fp, (unsigned char *) a);
+	}
+#endif
+
+ASN1_SEQUENCE(TS_ACCURACY) = {
+	ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
+	ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
+	ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
+} ASN1_SEQUENCE_END(TS_ACCURACY)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
+IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
+
+ASN1_SEQUENCE(TS_TST_INFO) = {
+	ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
+	ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
+	ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
+	ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
+	ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
+	ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
+	ASN1_OPT(TS_TST_INFO, ordering, ASN1_BOOLEAN),
+	ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
+	ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
+	ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
+} ASN1_SEQUENCE_END(TS_TST_INFO)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
+IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
+#ifndef OPENSSL_NO_BIO
+TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
+	{
+	return (TS_TST_INFO *) ASN1_d2i_bio((char *(*)()) TS_TST_INFO_new,
+					    (char *(*)()) d2i_TS_TST_INFO,
+					    bp, (unsigned char **) a);
+	}
+
+int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
+	{
+	return ASN1_i2d_bio(i2d_TS_TST_INFO, bp, (unsigned char *) a);
+	}
+#endif
+#ifndef OPENSSL_NO_FP_API
+TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
+	{
+	return (TS_TST_INFO *) ASN1_d2i_fp((char *(*)()) TS_TST_INFO_new,
+					   (char *(*)()) d2i_TS_TST_INFO,
+					   fp, (unsigned char **) a);
+	}
+
+int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
+	{
+	return ASN1_i2d_fp(i2d_TS_TST_INFO, fp, (unsigned char *) a);
+	}
+#endif
+
+ASN1_SEQUENCE(TS_STATUS_INFO) = {
+	ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
+	ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
+	ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
+} ASN1_SEQUENCE_END(TS_STATUS_INFO)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
+IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
+
+ASN1_SEQUENCE(TS_RESP) = {
+	ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
+	ASN1_OPT(TS_RESP, token, PKCS7),
+} ASN1_SEQUENCE_END(TS_RESP)
+
+IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(TS_RESP, TS_RESP, TS_RESP_int)
+IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(TS_RESP, TS_RESP, TS_RESP_int)
+
+TS_RESP *TS_RESP_new(void)
+{
+	TS_RESP *ret = TS_RESP_int_new();
+	if (!ret)
+		return NULL;
+	ret->tst_info = NULL;
+	return ret;
+}
+
+void TS_RESP_free(TS_RESP *a)
+{
+	if (!a)
+		return;
+	if (a->tst_info)
+		TS_TST_INFO_free(a->tst_info);
+	TS_RESP_int_free(a);
+}
+
+int i2d_TS_RESP(const TS_RESP *a, unsigned char **pp)
+{
+	return i2d_TS_RESP_int(a, pp);
+}
+
+TS_RESP *d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long len)
+{
+	long    status;
+	TS_RESP *ret;
+
+	ret = d2i_TS_RESP_int(a, pp, len);
+	if (!ret) {
+		TSerr(TS_F_D2I_TS_RESP, TS_R_D2I_TS_RESP_INT_FAILED);
+		return NULL;
+	}
+	status = ASN1_INTEGER_get(ret->status_info->status);
+
+	if (ret->token) {
+		if (status != 0 && status != 1) {
+			TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_PRESENT);
+			if (!*a)
+				TS_RESP_free(ret);
+			return NULL;
+		}
+		ret->tst_info = PKCS7_to_TS_TST_INFO(ret->token);
+		if (!ret->tst_info) {
+			TSerr(TS_F_D2I_TS_RESP, TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
+			if (!*a)
+				TS_RESP_free(ret);
+			return NULL;
+		}
+	} else if (status == 0 || status == 1) {
+		TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_NOT_PRESENT);
+		if (!*a)
+			TS_RESP_free(ret);
+		return NULL;
+	}
+
+	return ret;
+}
+
+IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
+#ifndef OPENSSL_NO_BIO
+TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
+	{
+	return (TS_RESP *) ASN1_d2i_bio((char *(*)()) TS_RESP_new,
+				       (char *(*)()) d2i_TS_RESP,
+				       bp, (unsigned char **) a);
+	}
+
+int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
+	{
+	return ASN1_i2d_bio(i2d_TS_RESP, bp, (unsigned char *) a);
+	}
+#endif
+#ifndef OPENSSL_NO_FP_API
+TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
+	{
+	return (TS_RESP *) ASN1_d2i_fp((char *(*)()) TS_RESP_new,
+				       (char *(*)()) d2i_TS_RESP,
+				       fp, (unsigned char **) a);
+	}
+
+int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
+	{
+	return ASN1_i2d_fp(i2d_TS_RESP, fp, (unsigned char *) a);
+	}
+#endif
+
+ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
+	ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
+	ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
+} ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
+
+ASN1_SEQUENCE(ESS_CERT_ID) = {
+	ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
+	ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
+} ASN1_SEQUENCE_END(ESS_CERT_ID)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
+
+ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
+	ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
+	ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
+} ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
+
+IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
+IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
+
+/* Getting encapsulated TS_TST_INFO object from PKCS7. */
+TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
+{
+	PKCS7_SIGNED *pkcs7_signed;
+	PKCS7 *enveloped;
+	ASN1_TYPE *tst_info_wrapper;
+	ASN1_OCTET_STRING *tst_info_der;
+	const unsigned char *p;
+
+	if (!PKCS7_type_is_signed(token))
+		{
+		TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
+		return NULL;
+		}
+
+	/* Content must be present. */
+	if (PKCS7_get_detached(token))
+		{
+		TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
+		return NULL;
+		}
+
+	/* We have a signed data with content. */
+	pkcs7_signed = token->d.sign;
+	enveloped = pkcs7_signed->contents;
+	if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo)
+		{
+		TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
+		return NULL;
+		}
+
+	/* We have a DER encoded TST_INFO as the signed data. */
+	tst_info_wrapper = enveloped->d.other;
+	if (tst_info_wrapper->type != V_ASN1_OCTET_STRING)
+		{
+		TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
+		return NULL;
+		}
+
+	/* We have the correct ASN1_OCTET_STRING type. */
+	tst_info_der = tst_info_wrapper->value.octet_string;
+	/* At last, decode the TST_INFO. */
+	p = tst_info_der->data;
+	return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
+}