/* * crypto.h - public data structures and prototypes for the crypto library * * 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. */ #ifndef _CRYPTOHI_H_ #define _CRYPTOHI_H_ #include "seccomon.h" #include "cmst.h" SEC_BEGIN_PROTOS /****************************************/ /* ** DER encode/decode DSA signatures */ /* ANSI X9.57 defines DSA signatures as DER encoded data. Our DSA code (and * most of the rest of the world) just generates 40 bytes of raw data. These * functions convert between formats. */ //extern SECStatus DSAU_EncodeDerSig(SECItem *dest, SECItem *src); //extern SECItem *DSAU_DecodeDerSig(SECItem *item); /* * Return a csp handle able to deal with algorithm */ extern CSSM_CSP_HANDLE SecCspHandleForAlgorithm(CSSM_ALGORITHMS algorithm); /* * Return a CSSM_ALGORITHMS for a given SECOidTag or 0 if there is none */ extern CSSM_ALGORITHMS SECOID_FindyCssmAlgorithmByTag(SECOidTag algTag); /****************************************/ /* ** Signature creation operations */ /* ** Sign a single block of data using private key encryption and given ** signature/hash algorithm. ** "result" the final signature data (memory is allocated) ** "buf" the input data to sign ** "len" the amount of data to sign ** "pk" the private key to encrypt with ** "algid" the signature/hash algorithm to sign with ** (must be compatible with the key type). */ extern SECStatus SEC_SignData(SECItem *result, unsigned char *buf, int len, SecPrivateKeyRef pk, SECOidTag digAlgTag, SECOidTag sigAlgTag); /* ** Sign a pre-digested block of data using private key encryption, encoding ** The given signature/hash algorithm. ** "result" the final signature data (memory is allocated) ** "digest" the digest to sign ** "pk" the private key to encrypt with ** "algtag" The algorithm tag to encode (need for RSA only) */ extern SECStatus SGN_Digest(SecPrivateKeyRef privKey, SECOidTag digAlgTag, SECOidTag sigAlgTag, SECItem *result, SECItem *digest); /****************************************/ /* ** Signature verification operations */ /* ** Verify the signature on a block of data for which we already have ** the digest. The signature data is an RSA private key encrypted ** block of data formatted according to PKCS#1. ** "dig" the digest ** "key" the public key to check the signature with ** "sig" the encrypted signature data ** "algid" specifies the signing algorithm to use. This must match ** the key type. **/ extern SECStatus VFY_VerifyDigest(SECItem *dig, SecPublicKeyRef key, SECItem *sig, SECOidTag digAlgTag, SECOidTag sigAlgTag, void *wincx); /* ** Verify the signature on a block of data. The signature data is an RSA ** private key encrypted block of data formatted according to PKCS#1. ** "buf" the input data ** "len" the length of the input data ** "key" the public key to check the signature with ** "sig" the encrypted signature data ** "algid" specifies the signing algorithm to use. This must match ** the key type. */ extern SECStatus VFY_VerifyData(unsigned char *buf, int len, SecPublicKeyRef key, SECItem *sig, SECOidTag digAlgTag, SECOidTag sigAlgTag, void *wincx); extern SECStatus WRAP_PubWrapSymKey(SecPublicKeyRef publickey, SecSymmetricKeyRef bulkkey, CSSM_DATA *encKey); extern SecSymmetricKeyRef WRAP_PubUnwrapSymKey(SecPrivateKeyRef privkey, CSSM_DATA *encKey, SECOidTag bulkalgtag); SEC_END_PROTOS #endif /* _CRYPTOHI_H_ */