annotate nss/lib/softoken/lowpbe.h @ 4:b513267f632f tip

Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
0
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1 /* This Source Code Form is subject to the terms of the Mozilla Public
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2 * License, v. 2.0. If a copy of the MPL was not distributed with this
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3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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4
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5 #ifndef _SECPKCS5_H_
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6 #define _SECPKCS5_H_
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7
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8 #include "plarena.h"
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9 #include "secitem.h"
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10 #include "seccomon.h"
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11 #include "secoidt.h"
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12 #include "hasht.h"
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13
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14 typedef SECItem * (* SEC_PKCS5GetPBEPassword)(void *arg);
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15
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16 /* used for V2 PKCS 12 Draft Spec */
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17 typedef enum {
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18 pbeBitGenIDNull = 0,
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19 pbeBitGenCipherKey = 0x01,
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20 pbeBitGenCipherIV = 0x02,
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21 pbeBitGenIntegrityKey = 0x03
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22 } PBEBitGenID;
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23
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24 typedef enum {
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25 NSSPKCS5_PBKDF1 = 0,
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26 NSSPKCS5_PBKDF2 = 1,
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27 NSSPKCS5_PKCS12_V2 = 2
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28 } NSSPKCS5PBEType;
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29
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30 typedef struct NSSPKCS5PBEParameterStr NSSPKCS5PBEParameter;
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31
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32 struct NSSPKCS5PBEParameterStr {
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33 PLArenaPool *poolp;
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34 SECItem salt; /* octet string */
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35 SECItem iteration; /* integer */
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36 SECItem keyLength; /* integer */
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37
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38 /* used locally */
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39 int iter;
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40 int keyLen;
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41 int ivLen;
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42 unsigned char *ivData;
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43 HASH_HashType hashType;
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44 NSSPKCS5PBEType pbeType;
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45 SECAlgorithmID prfAlg;
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46 PBEBitGenID keyID;
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47 SECOidTag encAlg;
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48 PRBool is2KeyDES;
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49 };
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50
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51
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52 SEC_BEGIN_PROTOS
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53 /* Create a PKCS5 Algorithm ID
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54 * The algorithm ID is set up using the PKCS #5 parameter structure
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55 * algorithm is the PBE algorithm ID for the desired algorithm
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56 * pbe is a pbe param block with all the info needed to create the
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57 * algorithm id.
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58 * If an error occurs or the algorithm specified is not supported
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59 * or is not a password based encryption algorithm, NULL is returned.
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60 * Otherwise, a pointer to the algorithm id is returned.
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61 */
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62 extern SECAlgorithmID *
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63 nsspkcs5_CreateAlgorithmID(PLArenaPool *arena, SECOidTag algorithm,
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64 NSSPKCS5PBEParameter *pbe);
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65
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66 /*
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67 * Convert an Algorithm ID to a PBE Param.
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68 * NOTE: this does not suppport PKCS 5 v2 because it's only used for the
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69 * keyDB which only support PKCS 5 v1, PFX, and PKCS 12.
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70 */
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71 NSSPKCS5PBEParameter *
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72 nsspkcs5_AlgidToParam(SECAlgorithmID *algid);
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73
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74 /*
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75 * Convert an Algorithm ID to a PBE Param.
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76 * NOTE: this does not suppport PKCS 5 v2 because it's only used for the
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77 * keyDB which only support PKCS 5 v1, PFX, and PKCS 12.
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78 */
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79 NSSPKCS5PBEParameter *
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80 nsspkcs5_NewParam(SECOidTag alg, SECItem *salt, int iterator);
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81
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82
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83 /* Encrypt/Decrypt data using password based encryption.
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84 * algid is the PBE algorithm identifier,
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85 * pwitem is the password,
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86 * src is the source for encryption/decryption,
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87 * encrypt is PR_TRUE for encryption, PR_FALSE for decryption.
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88 * The key and iv are generated based upon PKCS #5 then the src
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89 * is either encrypted or decrypted. If an error occurs, NULL
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90 * is returned, otherwise the ciphered contents is returned.
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91 */
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92 extern SECItem *
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93 nsspkcs5_CipherData(NSSPKCS5PBEParameter *, SECItem *pwitem,
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94 SECItem *src, PRBool encrypt, PRBool *update);
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95
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96 extern SECItem *
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97 nsspkcs5_ComputeKeyAndIV(NSSPKCS5PBEParameter *, SECItem *pwitem,
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98 SECItem *iv, PRBool faulty3DES);
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99
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100 /* Destroys PBE parameter */
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101 extern void
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102 nsspkcs5_DestroyPBEParameter(NSSPKCS5PBEParameter *param);
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103
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104 HASH_HashType HASH_FromHMACOid(SECOidTag oid);
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105
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106 SEC_END_PROTOS
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107
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108 #endif
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