1 files changed, 148 insertions, 0 deletions

diff --git a/src/lib/libcrypto/cms/cms_dd.c b/src/lib/libcrypto/cms/cms_dd.c
new file mode 100644
index 0000000000..8919c15be1
--- /dev/null
+++ b/src/lib/libcrypto/cms/cms_dd.c
@@ -0,0 +1,148 @@
+/* crypto/cms/cms_dd.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2008 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.
+ * ====================================================================
+ */
+
+#include "cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/pem.h>
+#include <openssl/x509v3.h>
+#include <openssl/err.h>
+#include <openssl/cms.h>
+#include "cms_lcl.h"
+
+DECLARE_ASN1_ITEM(CMS_DigestedData)
+
+/* CMS DigestedData Utilities */
+
+CMS_ContentInfo *cms_DigestedData_create(const EVP_MD *md)
+        {
+        CMS_ContentInfo *cms;
+        CMS_DigestedData *dd;
+        cms = CMS_ContentInfo_new();
+        if (!cms)
+                return NULL;
+
+        dd = M_ASN1_new_of(CMS_DigestedData);
+
+        if (!dd)
+                goto err;
+
+        cms->contentType = OBJ_nid2obj(NID_pkcs7_digest);
+        cms->d.digestedData = dd;
+
+        dd->version = 0;
+        dd->encapContentInfo->eContentType = OBJ_nid2obj(NID_pkcs7_data);
+
+        cms_DigestAlgorithm_set(dd->digestAlgorithm, md);
+
+        return cms;
+
+        err:
+
+        if (cms)
+                CMS_ContentInfo_free(cms);
+
+        return NULL;
+        }
+
+BIO *cms_DigestedData_init_bio(CMS_ContentInfo *cms)
+        {
+        CMS_DigestedData *dd;
+        dd = cms->d.digestedData;
+        return cms_DigestAlgorithm_init_bio(dd->digestAlgorithm);
+        }
+
+int cms_DigestedData_do_final(CMS_ContentInfo *cms, BIO *chain, int verify)
+        {
+        EVP_MD_CTX mctx;
+        unsigned char md[EVP_MAX_MD_SIZE];
+        unsigned int mdlen;
+        int r = 0;
+        CMS_DigestedData *dd;
+        EVP_MD_CTX_init(&mctx);
+
+        dd = cms->d.digestedData;
+
+        if (!cms_DigestAlgorithm_find_ctx(&mctx, chain, dd->digestAlgorithm))
+                goto err;
+
+        if (EVP_DigestFinal_ex(&mctx, md, &mdlen) <= 0)
+                goto err;
+
+        if (verify)
+                {
+                if (mdlen != (unsigned int)dd->digest->length)
+                        {
+                        CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL,
+                                CMS_R_MESSAGEDIGEST_WRONG_LENGTH);
+                        goto err;
+                        }
+
+                if (memcmp(md, dd->digest->data, mdlen))
+                        CMSerr(CMS_F_CMS_DIGESTEDDATA_DO_FINAL,
+                                CMS_R_VERIFICATION_FAILURE);
+                else
+                        r = 1;
+                }
+        else
+                {
+                if (!ASN1_STRING_set(dd->digest, md, mdlen))
+                        goto err;
+                r = 1;
+                }
+
+        err:
+        EVP_MD_CTX_cleanup(&mctx);
+
+        return r;
+
+        }