tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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preenc.h (3839B)

      1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil -*- */
      2 
      3 /*
      4 * Fortezza support is removed.
      5 *
      6 * This Source Code Form is subject to the terms of the Mozilla Public
      7 * License, v. 2.0. If a copy of the MPL was not distributed with this
      8 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      9 
     10 /* Fortezza support is removed.
     11 * This file remains so that old programs will continue to compile,
     12 * But this functionality is no longer supported or implemented.
     13 */
     14 
     15 #include "seccomon.h"
     16 #include "prio.h"
     17 
     18 typedef struct PEHeaderStr PEHeader;
     19 
     20 #define PE_MIME_TYPE "application/pre-encrypted"
     21 
     22 typedef struct PEFortezzaHeaderStr PEFortezzaHeader;
     23 typedef struct PEFortezzaGeneratedHeaderStr PEFortezzaGeneratedHeader;
     24 typedef struct PEFixedKeyHeaderStr PEFixedKeyHeader;
     25 typedef struct PERSAKeyHeaderStr PERSAKeyHeader;
     26 
     27 struct PEFortezzaHeaderStr {
     28    unsigned char key[12];
     29    unsigned char iv[24];
     30    unsigned char hash[20];
     31    unsigned char serial[8];
     32 };
     33 
     34 struct PEFortezzaGeneratedHeaderStr {
     35    unsigned char key[12];
     36    unsigned char iv[24];
     37    unsigned char hash[20];
     38    unsigned char Ra[128];
     39    unsigned char Y[128];
     40 };
     41 
     42 struct PEFixedKeyHeaderStr {
     43    unsigned char pkcs11Mech[4];
     44    unsigned char labelLen[2];
     45    unsigned char keyIDLen[2];
     46    unsigned char ivLen[2];
     47    unsigned char keyLen[2];
     48    unsigned char data[1];
     49 };
     50 
     51 struct PERSAKeyHeaderStr {
     52    unsigned char pkcs11Mech[4];
     53    unsigned char issuerLen[2];
     54    unsigned char serialLen[2];
     55    unsigned char ivLen[2];
     56    unsigned char keyLen[2];
     57    unsigned char data[1];
     58 };
     59 
     60 #define PEFIXED_Label(header) (header->data)
     61 #define PEFIXED_KeyID(header) (&header->data[GetInt2(header->labelLen)])
     62 #define PEFIXED_IV(header) (&header->data[GetInt2(header->labelLen) + \
     63                                          GetInt2(header->keyIDLen)])
     64 #define PEFIXED_Key(header) (&header->data[GetInt2(header->labelLen) + \
     65                                           GetInt2(header->keyIDLen) + \
     66                                           GetInt2(header->keyLen)])
     67 #define PERSA_Issuer(header) (header->data)
     68 #define PERSA_Serial(header) (&header->data[GetInt2(header->issuerLen)])
     69 #define PERSA_IV(header) (&header->data[GetInt2(header->issuerLen) + \
     70                                        GetInt2(header->serialLen)])
     71 #define PERSA_Key(header) (&header->data[GetInt2(header->issuerLen) + \
     72                                         GetInt2(header->serialLen) + \
     73                                         GetInt2(header->keyLen)])
     74 struct PEHeaderStr {
     75    unsigned char magic[2];
     76    unsigned char len[2];
     77    unsigned char type[2];
     78    unsigned char version[2];
     79    union {
     80        PEFortezzaHeader fortezza;
     81        PEFortezzaGeneratedHeader g_fortezza;
     82        PEFixedKeyHeader fixed;
     83        PERSAKeyHeader rsa;
     84    } u;
     85 };
     86 
     87 #define PE_CRYPT_INTRO_LEN 8
     88 #define PE_INTRO_LEN 4
     89 #define PE_BASE_HEADER_LEN 8
     90 
     91 #define PRE_BLOCK_SIZE 8
     92 
     93 #define GetInt2(c) ((c[0] << 8) | c[1])
     94 #define GetInt4(c) (((unsigned long)c[0] << 24) | ((unsigned long)c[1] << 16) | \
     95                    ((unsigned long)c[2] << 8) | ((unsigned long)c[3]))
     96 #define PutInt2(c, i) ((c[1] = (i)&0xff), (c[0] = ((i) >> 8) & 0xff))
     97 #define PutInt4(c, i) ((c[0] = ((i) >> 24) & 0xff), (c[1] = ((i) >> 16) & 0xff), \
     98                       (c[2] = ((i) >> 8) & 0xff), (c[3] = (i)&0xff))
     99 
    100 #define PRE_MAGIC 0xc0de
    101 #define PRE_VERSION 0x1010
    102 #define PRE_FORTEZZA_FILE 0x00ff
    103 #define PRE_FORTEZZA_STREAM 0x00f5
    104 #define PRE_FORTEZZA_GEN_STREAM 0x00f6
    105 #define PRE_FIXED_FILE 0x000f
    106 #define PRE_RSA_FILE 0x001f
    107 #define PRE_FIXED_STREAM 0x0005
    108 
    109 PEHeader *SSL_PreencryptedStreamToFile(PRFileDesc *fd, PEHeader *,
    110                                       int *headerSize);
    111 
    112 PEHeader *SSL_PreencryptedFileToStream(PRFileDesc *fd, PEHeader *,
    113                                       int *headerSize);