#include <openssl/err.h>
#include <openssl/cms.h>
#include "cms_lcl.h"
-#include "asn1_locl.h"
DECLARE_ASN1_ITEM(CMS_ReceiptRequest)
DECLARE_ASN1_ITEM(CMS_Receipt)
*prto = rr->receiptsTo;
}
+/* Digest a SignerInfo structure for msgSigDigest attribute processing */
+
static int cms_msgSigDigest(CMS_SignerInfo *si,
unsigned char *dig, unsigned int *diglen)
{
return 1;
}
+/* Add a msgSigDigest attribute to a SignerInfo */
+
+int cms_msgSigDigest_add1(CMS_SignerInfo *dest, CMS_SignerInfo *src)
+ {
+ unsigned char dig[EVP_MAX_MD_SIZE];
+ unsigned int diglen;
+ if (!cms_msgSigDigest(src, dig, &diglen))
+ {
+ CMSerr(CMS_F_CMS_MSGSIGDIGEST_ADD1, CMS_R_MSGSIGDIGEST_ERROR);
+ return 0;
+ }
+ if (!CMS_signed_add1_attr_by_NID(dest, NID_id_smime_aa_msgSigDigest,
+ V_ASN1_OCTET_STRING, dig, diglen))
+ {
+ CMSerr(CMS_F_CMS_MSGSIGDIGEST_ADD1, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ return 1;
+ }
+
/* Verify signed receipt after it has already passed normal CMS verify */
int cms_Receipt_verify(CMS_ContentInfo *cms, CMS_ContentInfo *req_cms)
CMS_ReceiptRequest *rr = NULL;
CMS_Receipt *rct = NULL;
STACK_OF(CMS_SignerInfo) *sis, *osis;
- CMS_SignerInfo *si, *osi;
+ CMS_SignerInfo *si, *osi = NULL;
ASN1_OCTET_STRING *msig, **pcont;
ASN1_OBJECT *octype;
unsigned char dig[EVP_MAX_MD_SIZE];
/* Get original receipt request details */
- if (!CMS_get1_ReceiptRequest(osi, &rr))
+ if (CMS_get1_ReceiptRequest(osi, &rr) <= 0)
{
CMSerr(CMS_F_CMS_RECEIPT_VERIFY, CMS_R_NO_RECEIPT_REQUEST);
goto err;
return r;
}
+
+/* Encode a Receipt into an OCTET STRING read for including into content of
+ * a SignedData ContentInfo.
+ */
+
+ASN1_OCTET_STRING *cms_encode_Receipt(CMS_SignerInfo *si)
+ {
+ CMS_Receipt rct;
+ CMS_ReceiptRequest *rr = NULL;
+ ASN1_OBJECT *ctype;
+ ASN1_OCTET_STRING *os = NULL;
+
+ /* Get original receipt request */
+
+ /* Get original receipt request details */
+
+ if (CMS_get1_ReceiptRequest(si, &rr) <= 0)
+ {
+ CMSerr(CMS_F_CMS_ENCODE_RECEIPT, CMS_R_NO_RECEIPT_REQUEST);
+ goto err;
+ }
+
+ /* Get original content type */
+
+ ctype = CMS_signed_get0_data_by_OBJ(si,
+ OBJ_nid2obj(NID_pkcs9_contentType),
+ -3, V_ASN1_OBJECT);
+ if (!ctype)
+ {
+ CMSerr(CMS_F_CMS_ENCODE_RECEIPT, CMS_R_NO_CONTENT_TYPE);
+ goto err;
+ }
+
+ rct.version = 1;
+ rct.contentType = ctype;
+ rct.signedContentIdentifier = rr->signedContentIdentifier;
+ rct.originatorSignatureValue = si->signature;
+
+ os = ASN1_item_pack(&rct, ASN1_ITEM_rptr(CMS_Receipt), NULL);
+
+ err:
+ if (rr)
+ CMS_ReceiptRequest_free(rr);
+
+ return os;
+
+ }
+
+