ceph/src/cls_crypto.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 #include <iostream>
   4 #include <string.h>
   5 #include <stdlib.h>
   6 #include <errno.h>
   7
   8 #include <openssl/md5.h>
   9 #include <openssl/sha.h>
  10
  11 #include "include/types.h"
  12 #include "objclass/objclass.h"
  13
  14 CLS_VER(1,0)
  15 CLS_NAME(crypto)
  16
  17 int md5_method(cls_method_context_t ctx, char *indata, int datalen,
  18                                  char **outdata, int *outdatalen)
  19 {
  20    MD5_CTX c;
  21    unsigned char *md;
  22
  23    cls_log("md5 method");
  24    cls_log("indata=%.*s data_len=%d", datalen, indata, datalen);
  25
  26    md = (unsigned char *)cls_alloc(MD5_DIGEST_LENGTH);
  27    if (!md)
  28      return -ENOMEM;
  29
  30    MD5_Init(&c);
  31    MD5_Update(&c, indata, (unsigned long)datalen);
  32    MD5_Final(md,&c);
  33
  34    *outdata = (char *)md;
  35    *outdatalen = MD5_DIGEST_LENGTH;
  36
  37    return 0;
  38 }
  39
  40 int sha1_method(cls_method_context_t ctx, char *indata, int datalen,
  41                                  char **outdata, int *outdatalen)
  42 {
  43    SHA_CTX c;
  44    unsigned char *md;
  45
  46    cls_log("sha1 method");
  47    cls_log("indata=%.*s data_len=%d", datalen, indata, datalen);
  48
  49    md = (unsigned char *)cls_alloc(SHA_DIGEST_LENGTH);
  50    if (!md)
  51      return -ENOMEM;
  52
  53    SHA1_Init(&c);
  54    SHA1_Update(&c, indata, (unsigned long)datalen);
  55    SHA1_Final(md,&c);
  56
  57    *outdata = (char *)md;
  58    *outdatalen = SHA_DIGEST_LENGTH;
  59
  60    return 0;
  61 }
  62
  63 CLS_INIT(crypto)
  64 {
  65    cls_log("Loaded crypto class!");
  66
  67    cls_handle_t h_class;
  68    cls_method_handle_t h_md5;
  69    cls_method_handle_t h_sha1;
  70
  71    cls_register("crypto", &h_class);
  72    cls_register_method(h_class, "md5", CLS_METHOD_RD, md5_method, &h_md5);
  73    cls_register_method(h_class, "sha1", CLS_METHOD_RD, sha1_method, &h_sha1);
  74
  75    return;
  76 }
  77