diff options
Diffstat (limited to 'security/nss/lib/smime/cmsutil.c')
| -rw-r--r-- | security/nss/lib/smime/cmsutil.c | 362 |
1 files changed, 0 insertions, 362 deletions
diff --git a/security/nss/lib/smime/cmsutil.c b/security/nss/lib/smime/cmsutil.c deleted file mode 100644 index c71d144f6..000000000 --- a/security/nss/lib/smime/cmsutil.c +++ /dev/null @@ -1,362 +0,0 @@ -/* - * The contents of this file are subject to the Mozilla Public - * License Version 1.1 (the "License"); you may not use this file - * except in compliance with the License. You may obtain a copy of - * the License at http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS - * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or - * implied. See the License for the specific language governing - * rights and limitations under the License. - * - * The Original Code is the Netscape security libraries. - * - * The Initial Developer of the Original Code is Netscape - * Communications Corporation. Portions created by Netscape are - * Copyright (C) 1994-2000 Netscape Communications Corporation. All - * Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the - * terms of the GNU General Public License Version 2 or later (the - * "GPL"), in which case the provisions of the GPL are applicable - * instead of those above. If you wish to allow use of your - * version of this file only under the terms of the GPL and not to - * allow others to use your version of this file under the MPL, - * indicate your decision by deleting the provisions above and - * replace them with the notice and other provisions required by - * the GPL. If you do not delete the provisions above, a recipient - * may use your version of this file under either the MPL or the - * GPL. - */ - -/* - * CMS miscellaneous utility functions. - * - * $Id$ - */ - -#include "cmslocal.h" - -#include "cert.h" -#include "key.h" -#include "secasn1.h" -#include "secitem.h" -#include "secoid.h" -#include "pk11func.h" -#include "secerr.h" - -/* - * NSS_CMSArray_SortByDER - sort array of objects by objects' DER encoding - * - * make sure that the order of the objects guarantees valid DER (which must be - * in lexigraphically ascending order for a SET OF); if reordering is necessary it - * will be done in place (in objs). - */ -SECStatus -NSS_CMSArray_SortByDER(void **objs, const SEC_ASN1Template *objtemplate, void **objs2) -{ - PRArenaPool *poolp; - int num_objs; - SECItem **enc_objs; - SECStatus rv = SECFailure; - int i; - - if (objs == NULL) /* already sorted */ - return SECSuccess; - - num_objs = NSS_CMSArray_Count((void **)objs); - if (num_objs == 0 || num_objs == 1) /* already sorted. */ - return SECSuccess; - - poolp = PORT_NewArena (1024); /* arena for temporaries */ - if (poolp == NULL) - return SECFailure; /* no memory; nothing we can do... */ - - /* - * Allocate arrays to hold the individual encodings which we will use - * for comparisons and the reordered attributes as they are sorted. - */ - enc_objs = (SECItem **)PORT_ArenaZAlloc(poolp, (num_objs + 1) * sizeof(SECItem *)); - if (enc_objs == NULL) - goto loser; - - /* DER encode each individual object. */ - for (i = 0; i < num_objs; i++) { - enc_objs[i] = SEC_ASN1EncodeItem(poolp, NULL, objs[i], objtemplate); - if (enc_objs[i] == NULL) - goto loser; - } - enc_objs[num_objs] = NULL; - - /* now compare and sort objs by the order of enc_objs */ - NSS_CMSArray_Sort((void **)enc_objs, NSS_CMSUtil_DERCompare, objs, objs2); - - rv = SECSuccess; - -loser: - PORT_FreeArena (poolp, PR_FALSE); - return rv; -} - -/* - * NSS_CMSUtil_DERCompare - for use with NSS_CMSArray_Sort to - * sort arrays of SECItems containing DER - */ -int -NSS_CMSUtil_DERCompare(void *a, void *b) -{ - SECItem *der1 = (SECItem *)a; - SECItem *der2 = (SECItem *)b; - int j; - - /* - * Find the lowest (lexigraphically) encoding. One that is - * shorter than all the rest is known to be "less" because each - * attribute is of the same type (a SEQUENCE) and so thus the - * first octet of each is the same, and the second octet is - * the length (or the length of the length with the high bit - * set, followed by the length, which also works out to always - * order the shorter first). Two (or more) that have the - * same length need to be compared byte by byte until a mismatch - * is found. - */ - if (der1->len != der2->len) - return (der1->len < der2->len) ? -1 : 1; - - for (j = 0; j < der1->len; j++) { - if (der1->data[j] == der2->data[j]) - continue; - return (der1->data[j] < der2->data[j]) ? -1 : 1; - } - return 0; -} - -/* - * NSS_CMSAlgArray_GetIndexByAlgID - find a specific algorithm in an array of - * algorithms. - * - * algorithmArray - array of algorithm IDs - * algid - algorithmid of algorithm to pick - * - * Returns: - * An integer containing the index of the algorithm in the array or -1 if - * algorithm was not found. - */ -int -NSS_CMSAlgArray_GetIndexByAlgID(SECAlgorithmID **algorithmArray, SECAlgorithmID *algid) -{ - int i; - - if (algorithmArray == NULL || algorithmArray[0] == NULL) - return -1; - - for (i = 0; algorithmArray[i] != NULL; i++) { - if (SECOID_CompareAlgorithmID(algorithmArray[i], algid) == SECEqual) - break; /* bingo */ - } - - if (algorithmArray[i] == NULL) - return -1; /* not found */ - - return i; -} - -/* - * NSS_CMSAlgArray_GetIndexByAlgTag - find a specific algorithm in an array of - * algorithms. - * - * algorithmArray - array of algorithm IDs - * algtag - algorithm tag of algorithm to pick - * - * Returns: - * An integer containing the index of the algorithm in the array or -1 if - * algorithm was not found. - */ -int -NSS_CMSAlgArray_GetIndexByAlgTag(SECAlgorithmID **algorithmArray, SECOidTag algtag) -{ - SECOidData *algid; - int i; - - if (algorithmArray == NULL || algorithmArray[0] == NULL) - return -1; - - for (i = 0; algorithmArray[i] != NULL; i++) { - algid = SECOID_FindOID(&(algorithmArray[i]->algorithm)); - if (algid->offset == algtag) - break; /* bingo */ - } - - if (algorithmArray[i] == NULL) - return -1; /* not found */ - - return i; -} - -SECHashObject * -NSS_CMSUtil_GetHashObjByAlgID(SECAlgorithmID *algid) -{ - SECOidData *oiddata; - SECHashObject *digobj; - - /* here are the algorithms we know */ - oiddata = SECOID_FindOID(&(algid->algorithm)); - if (oiddata == NULL) { - digobj = NULL; - } else { - switch (oiddata->offset) { - case SEC_OID_MD2: - digobj = &SECHashObjects[HASH_AlgMD2]; - break; - case SEC_OID_MD5: - digobj = &SECHashObjects[HASH_AlgMD5]; - break; - case SEC_OID_SHA1: - digobj = &SECHashObjects[HASH_AlgSHA1]; - break; - default: - digobj = NULL; - break; - } - } - return digobj; -} - -/* - * XXX I would *really* like to not have to do this, but the current - * signing interface gives me little choice. - */ -SECOidTag -NSS_CMSUtil_MakeSignatureAlgorithm(SECOidTag hashalg, SECOidTag encalg) -{ - switch (encalg) { - case SEC_OID_PKCS1_RSA_ENCRYPTION: - switch (hashalg) { - case SEC_OID_MD2: - return SEC_OID_PKCS1_MD2_WITH_RSA_ENCRYPTION; - case SEC_OID_MD5: - return SEC_OID_PKCS1_MD5_WITH_RSA_ENCRYPTION; - case SEC_OID_SHA1: - return SEC_OID_PKCS1_SHA1_WITH_RSA_ENCRYPTION; - default: - return SEC_OID_UNKNOWN; - } - case SEC_OID_ANSIX9_DSA_SIGNATURE: - case SEC_OID_MISSI_KEA_DSS: - case SEC_OID_MISSI_DSS: - switch (hashalg) { - case SEC_OID_SHA1: - return SEC_OID_ANSIX9_DSA_SIGNATURE_WITH_SHA1_DIGEST; - default: - return SEC_OID_UNKNOWN; - } - default: - break; - } - - return encalg; /* maybe it is already the right algid */ -} - -const SEC_ASN1Template * -NSS_CMSUtil_GetTemplateByTypeTag(SECOidTag type) -{ - const SEC_ASN1Template *template; - extern const SEC_ASN1Template NSSCMSSignedDataTemplate[]; - extern const SEC_ASN1Template NSSCMSEnvelopedDataTemplate[]; - extern const SEC_ASN1Template NSSCMSEncryptedDataTemplate[]; - extern const SEC_ASN1Template NSSCMSDigestedDataTemplate[]; - - switch (type) { - case SEC_OID_PKCS7_SIGNED_DATA: - template = NSSCMSSignedDataTemplate; - break; - case SEC_OID_PKCS7_ENVELOPED_DATA: - template = NSSCMSEnvelopedDataTemplate; - break; - case SEC_OID_PKCS7_ENCRYPTED_DATA: - template = NSSCMSEncryptedDataTemplate; - break; - case SEC_OID_PKCS7_DIGESTED_DATA: - template = NSSCMSDigestedDataTemplate; - break; - default: - case SEC_OID_PKCS7_DATA: - template = NULL; - break; - } - return template; -} - -size_t -NSS_CMSUtil_GetSizeByTypeTag(SECOidTag type) -{ - size_t size; - - switch (type) { - case SEC_OID_PKCS7_SIGNED_DATA: - size = sizeof(NSSCMSSignedData); - break; - case SEC_OID_PKCS7_ENVELOPED_DATA: - size = sizeof(NSSCMSEnvelopedData); - break; - case SEC_OID_PKCS7_ENCRYPTED_DATA: - size = sizeof(NSSCMSEncryptedData); - break; - case SEC_OID_PKCS7_DIGESTED_DATA: - size = sizeof(NSSCMSDigestedData); - break; - default: - case SEC_OID_PKCS7_DATA: - size = 0; - break; - } - return size; -} - -NSSCMSContentInfo * -NSS_CMSContent_GetContentInfo(void *msg, SECOidTag type) -{ - NSSCMSContent c; - NSSCMSContentInfo *cinfo; - - PORT_Assert(msg != NULL); - - c.pointer = msg; - switch (type) { - case SEC_OID_PKCS7_SIGNED_DATA: - cinfo = &(c.signedData->contentInfo); - break; - case SEC_OID_PKCS7_ENVELOPED_DATA: - cinfo = &(c.envelopedData->contentInfo); - break; - case SEC_OID_PKCS7_ENCRYPTED_DATA: - cinfo = &(c.encryptedData->contentInfo); - break; - case SEC_OID_PKCS7_DIGESTED_DATA: - cinfo = &(c.digestedData->contentInfo); - break; - default: - cinfo = NULL; - } - return cinfo; -} - -const char * -NSS_CMSUtil_VerificationStatusToString(NSSCMSVerificationStatus vs) -{ - switch (vs) { - case NSSCMSVS_Unverified: return "Unverified"; - case NSSCMSVS_GoodSignature: return "GoodSignature"; - case NSSCMSVS_BadSignature: return "BadSignature"; - case NSSCMSVS_DigestMismatch: return "DigestMismatch"; - case NSSCMSVS_SigningCertNotFound: return "SigningCertNotFound"; - case NSSCMSVS_SigningCertNotTrusted: return "SigningCertNotTrusted"; - case NSSCMSVS_SignatureAlgorithmUnknown: return "SignatureAlgorithmUnknown"; - case NSSCMSVS_SignatureAlgorithmUnsupported: return "SignatureAlgorithmUnsupported"; - case NSSCMSVS_MalformedSignature: return "MalformedSignature"; - case NSSCMSVS_ProcessingError: return "ProcessingError"; - default: return "Unknown"; - } -} |