Constify version strings and some structures.
[openssl.git] / crypto / evp / evp_pbe.c
index 224a422b126e1909508b93d69cefb184b5192d01..97c8103ecda8051e4954d34b4ba2e18d0d4f92a7 100644 (file)
@@ -3,7 +3,7 @@
  * project 1999.
  */
 /* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1999-2006 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
  */
 
 #include <stdio.h>
+#include "cryptlib.h"
 #include <openssl/evp.h>
+#include <openssl/pkcs12.h>
 #include <openssl/x509.h>
-#include "cryptlib.h"
 
 /* Password based encryption (PBE) functions */
 
@@ -67,70 +68,229 @@ static STACK *pbe_algs;
 
 /* Setup a cipher context from a PBE algorithm */
 
-typedef struct {
-int pbe_nid;
-EVP_CIPHER *cipher;
-EVP_MD *md;
-EVP_PBE_KEYGEN *keygen;
-} EVP_PBE_CTL;
+typedef struct
+       {
+       int pbe_type;
+       int pbe_nid;
+       int cipher_nid;
+       int md_nid;
+       EVP_PBE_KEYGEN *keygen;
+       } EVP_PBE_CTL;
 
-int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
-            ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
-{
+static const EVP_PBE_CTL builtin_pbe[] = 
+       {
+       {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndDES_CBC,
+                       NID_des_cbc, NID_md2, PKCS5_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndDES_CBC,
+                       NID_des_cbc, NID_md5, PKCS5_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndRC2_CBC,
+                       NID_rc2_64_cbc, NID_sha1, PKCS5_PBE_keyivgen},
 
-       EVP_PBE_CTL *pbetmp, pbelu;
-       int i;
-       pbelu.pbe_nid = OBJ_obj2nid(pbe_obj);
-       if (pbelu.pbe_nid != NID_undef) i = sk_find(pbe_algs, (char *)&pbelu);
-       else i = -1;
+       {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC4,
+                       NID_rc4, NID_sha1, PKCS12_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC4,
+                       NID_rc4_40, NID_sha1, PKCS12_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And3_Key_TripleDES_CBC,
+                       NID_des_ede3_cbc, NID_sha1, PKCS12_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And2_Key_TripleDES_CBC, 
+                       NID_des_ede_cbc, NID_sha1, PKCS12_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And128BitRC2_CBC,
+                       NID_rc2_cbc, NID_sha1, PKCS12_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbe_WithSHA1And40BitRC2_CBC,
+                       NID_rc2_40_cbc, NID_sha1, PKCS12_PBE_keyivgen},
+
+#ifndef OPENSSL_NO_HMAC
+       {EVP_PBE_TYPE_OUTER, NID_pbes2, -1, -1, PKCS5_v2_PBE_keyivgen},
+#endif
+       {EVP_PBE_TYPE_OUTER, NID_pbeWithMD2AndRC2_CBC,
+                       NID_rc2_64_cbc, NID_md2, PKCS5_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbeWithMD5AndRC2_CBC,
+                       NID_rc2_64_cbc, NID_md5, PKCS5_PBE_keyivgen},
+       {EVP_PBE_TYPE_OUTER, NID_pbeWithSHA1AndDES_CBC,
+                       NID_des_cbc, NID_sha1, PKCS5_PBE_keyivgen},
+
+
+       {EVP_PBE_TYPE_PRF, NID_hmacWithSHA1, -1, NID_sha1, 0},
+       {EVP_PBE_TYPE_PRF, NID_hmacWithMD5, -1, NID_md5, 0},
+       {EVP_PBE_TYPE_PRF, NID_hmacWithSHA224, -1, NID_sha224, 0},
+       {EVP_PBE_TYPE_PRF, NID_hmacWithSHA256, -1, NID_sha256, 0},
+       {EVP_PBE_TYPE_PRF, NID_hmacWithSHA384, -1, NID_sha384, 0},
+       {EVP_PBE_TYPE_PRF, NID_hmacWithSHA512, -1, NID_sha512, 0},
+       {EVP_PBE_TYPE_PRF, NID_id_HMACGostR3411_94, -1, NID_id_GostR3411_94, 0},
+       };
+
+#ifdef TEST
+int main(int argc, char **argv)
+       {
+       int i, nid_md, nid_cipher;
+       EVP_PBE_CTL *tpbe, *tpbe2;
+       /*OpenSSL_add_all_algorithms();*/
+
+       for (i = 0; i < sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL); i++)
+               {
+               tpbe = builtin_pbe + i;
+               fprintf(stderr, "%d %d %s ", tpbe->pbe_type, tpbe->pbe_nid,
+                                               OBJ_nid2sn(tpbe->pbe_nid));
+               if (EVP_PBE_find(tpbe->pbe_type, tpbe->pbe_nid,
+                                       &nid_cipher ,&nid_md,0))
+                       fprintf(stderr, "Found %s %s\n",
+                                       OBJ_nid2sn(nid_cipher),
+                                       OBJ_nid2sn(nid_md));
+               else
+                       fprintf(stderr, "Find ERROR!!\n");
+               }
+
+       return 0;
+       }
+#endif
+               
 
-       if (i == -1) {
+
+int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
+            ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de)
+       {
+       const EVP_CIPHER *cipher;
+       const EVP_MD *md;
+       int cipher_nid, md_nid;
+       EVP_PBE_KEYGEN *keygen;
+
+       if (!EVP_PBE_find(EVP_PBE_TYPE_OUTER, OBJ_obj2nid(pbe_obj),
+                                       &cipher_nid, &md_nid, &keygen))
+               {
                char obj_tmp[80];
                EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_UNKNOWN_PBE_ALGORITHM);
-               if (!pbe_obj) strcpy (obj_tmp, "NULL");
-               else i2t_ASN1_OBJECT(obj_tmp, 80, pbe_obj);
+               if (!pbe_obj) BUF_strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
+               else i2t_ASN1_OBJECT(obj_tmp, sizeof obj_tmp, pbe_obj);
                ERR_add_error_data(2, "TYPE=", obj_tmp);
                return 0;
-       }
-       if(!pass) passlen = 0;
-       else if (passlen == -1) passlen = strlen(pass);
-       pbetmp = (EVP_PBE_CTL *)sk_value (pbe_algs, i);
-       i = (*pbetmp->keygen)(ctx, pass, passlen, param, pbetmp->cipher,
-                                                pbetmp->md, en_de);
-       if (!i) {
+               }
+
+       if(!pass)
+               passlen = 0;
+       else if (passlen == -1)
+               passlen = strlen(pass);
+
+       if (cipher_nid == -1)
+               cipher = NULL;
+       else
+               cipher = EVP_get_cipherbynid(cipher_nid);
+
+       if (md_nid == -1)
+               md = NULL;
+       else
+               md = EVP_get_digestbynid(md_nid);
+
+       if (!keygen(ctx, pass, passlen, param, cipher, md, en_de))
+               {
                EVPerr(EVP_F_EVP_PBE_CIPHERINIT,EVP_R_KEYGEN_FAILURE);
                return 0;
-       }
+               }
        return 1;       
 }
 
+static int pbe_cmp2(const void *a, const void *b)
+       {
+       const EVP_PBE_CTL *pbe1 = a;
+       const EVP_PBE_CTL *pbe2 = b;
+       int ret = pbe1->pbe_type - pbe2->pbe_type;
+       if (ret)
+               return ret;
+       else
+               return pbe1->pbe_nid - pbe2->pbe_nid;
+       }
+
 static int pbe_cmp(const char * const *a, const char * const *b)
-{
-       EVP_PBE_CTL **pbe1 = (EVP_PBE_CTL **) a,  **pbe2 = (EVP_PBE_CTL **)b;
-       return ((*pbe1)->pbe_nid - (*pbe2)->pbe_nid);
-}
+       {
+       const EVP_PBE_CTL * const *pbe1 = (const EVP_PBE_CTL * const *) a,
+                       * const *pbe2 = (const EVP_PBE_CTL * const *)b;
+       int ret = (*pbe1)->pbe_type - (*pbe2)->pbe_type;
+       if (ret)
+               return ret;
+       else
+               return (*pbe1)->pbe_nid - (*pbe2)->pbe_nid;
+       }
 
 /* Add a PBE algorithm */
 
-int EVP_PBE_alg_add (int nid, EVP_CIPHER *cipher, EVP_MD *md,
+int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
             EVP_PBE_KEYGEN *keygen)
-{
+       {
        EVP_PBE_CTL *pbe_tmp;
-       if (!pbe_algs) pbe_algs = sk_new(pbe_cmp);
-       if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL)))) {
-               EVPerr(EVP_F_EVP_PBE_ALG_ADD,ERR_R_MALLOC_FAILURE);
+       if (!pbe_algs)
+               pbe_algs = sk_new(pbe_cmp);
+       if (!(pbe_tmp = (EVP_PBE_CTL*) OPENSSL_malloc (sizeof(EVP_PBE_CTL))))
+               {
+               EVPerr(EVP_F_EVP_PBE_ALG_ADD_TYPE,ERR_R_MALLOC_FAILURE);
                return 0;
-       }
-       pbe_tmp->pbe_nid = nid;
-       pbe_tmp->cipher = cipher;
-       pbe_tmp->md = md;
+               }
+       pbe_tmp->pbe_type = pbe_type;
+       pbe_tmp->pbe_nid = pbe_nid;
+       pbe_tmp->cipher_nid = cipher_nid;
+       pbe_tmp->md_nid = md_nid;
        pbe_tmp->keygen = keygen;
+
+
        sk_push (pbe_algs, (char *)pbe_tmp);
        return 1;
-}
+       }
+
+int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
+            EVP_PBE_KEYGEN *keygen)
+       {
+       int cipher_nid, md_nid;
+       if (cipher)
+               cipher_nid = EVP_CIPHER_type(cipher);
+       else
+               cipher_nid = -1;
+       if (md)
+               md_nid = EVP_MD_type(md);
+       else
+               md_nid = -1;
+
+       return EVP_PBE_alg_add_type(EVP_PBE_TYPE_OUTER, nid,
+                                       cipher_nid, md_nid, keygen);
+       }
+
+int EVP_PBE_find(int type, int pbe_nid,
+                       int *pcnid, int *pmnid, EVP_PBE_KEYGEN **pkeygen)
+       {
+       EVP_PBE_CTL *pbetmp = NULL, pbelu;
+       int i;
+       if (pbe_nid == NID_undef)
+               return 0;
+
+       pbelu.pbe_type = type;
+       pbelu.pbe_nid = pbe_nid;
+
+       if (pbe_algs)
+               {
+               i = sk_find(pbe_algs, (char *)&pbelu);
+               if (i != -1)
+                       pbetmp = (EVP_PBE_CTL *)sk_value (pbe_algs, i);
+               }
+       if (pbetmp == NULL)
+               {
+               pbetmp = (EVP_PBE_CTL *) OBJ_bsearch((char *)&pbelu,
+                       (char *)builtin_pbe,
+                       sizeof(builtin_pbe)/sizeof(EVP_PBE_CTL),
+                       sizeof(EVP_PBE_CTL),
+                       pbe_cmp2);
+               }
+       if (pbetmp == NULL)
+               return 0;
+       if (pcnid)
+               *pcnid = pbetmp->cipher_nid;
+       if (pmnid)
+               *pmnid = pbetmp->md_nid;
+       if (pkeygen)
+               *pkeygen = pbetmp->keygen;
+       return 1;
+       }
+               
+
 
 void EVP_PBE_cleanup(void)
-{
+       {
        sk_pop_free(pbe_algs, OPENSSL_freeFunc);
        pbe_algs = NULL;
-}
+       }