riparams.c

IBE是一种非对称密码技术

/* Copyright 2003-2006, Voltage Security, all rights reserved.
 */
#include "vibe.h"
#include "environment.h"
#include "base.h"
#include "libctx.h"
#include "recipinfo.h"
#include "p7obj.h"
#include "idobj.h"
#include "errorctx.h"

int VtRecipientInfoParam822EmailValidity (
   VtRecipientInfoObject recipInfoObj,
   Pointer info,
   unsigned int flag
   )
{
  int status;
  VoltRecipientInfoObject *obj = (VoltRecipientInfoObject *)recipInfoObj;
  VOLT_DECLARE_ERROR_TYPE (errorType)
  VOLT_DECLARE_FNCT_LINE (fnctLine)

  do
  {
    VOLT_SET_ERROR_TYPE (errorType, VT_ERROR_TYPE_PRIMARY)
    if (flag == VOLT_RECIP_INFO_GET_TYPE_FLAG)
    {
      /* Get the info out of the local idObj, if it's there.
       */
      VOLT_SET_FNCT_LINE (fnctLine)
      status = VT_ERROR_GET_INFO_UNAVAILABLE;
      if (obj->idObj == (VoltIdentityObject *)0)
        break;

      VOLT_SET_ERROR_TYPE (errorType, 0)
      VOLT_SET_FNCT_LINE (fnctLine)
      status = VtGetIdentityParam (
        (VtIdentityObject)(obj->idObj), VtIdentityParam822EmailValidity,
        (Pointer *)info);
      break;
    }

    /* Check the args.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_TYPE;
    if (flag != VOLT_RECIP_INFO_SET_TYPE_FLAG)
      break;

    /* If there's already an identity object in this RecipientInfo
     * object, error.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_SET;
    if (obj->idObj != (VoltIdentityObject *)0)
      break;

    /* Create and set an id object with the info.
     */
    VOLT_SET_ERROR_TYPE (errorType, 0)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VtCreateIdentityObject (
      obj->voltObject.libraryCtx, VtIdentityImplMpCtx,
      (Pointer)(obj->mpCtx), (VtIdentityObject *)&(obj->idObj));
    if (status != 0)
      break;

    VOLT_SET_FNCT_LINE (fnctLine)
    status = VtSetIdentityParam (
      (VtIdentityObject)(obj->idObj), VtIdentityParam822EmailValidity,
      info);

  } while (0);

  VOLT_LOG_ERROR_INFO_COMPARE (
    status, 0, recipInfoObj, status, 0, errorType,
    (char *)0, "VtRecipientInfoParam822EmailValidity", fnctLine, (char *)0)

  return (status);
}

int VtRecipientInfoParamIdObject (
   VtRecipientInfoObject recipInfoObj,
   Pointer info,
   unsigned int flag
   )
{
  int status;
  VoltRecipientInfoObject *obj = (VoltRecipientInfoObject *)recipInfoObj;
  Pointer *getInfo;
  VOLT_DECLARE_ERROR_TYPE (errorType)
  VOLT_DECLARE_FNCT_LINE (fnctLine)

  do
  {
    VOLT_SET_ERROR_TYPE (errorType, VT_ERROR_TYPE_PRIMARY)
    if (flag == VOLT_RECIP_INFO_GET_TYPE_FLAG)
    {
      getInfo = (Pointer *)info;

      /* Return the value at the idObj field, if there is something
       * there.
       */
      VOLT_SET_FNCT_LINE (fnctLine)
      status = VT_ERROR_GET_INFO_UNAVAILABLE;
      if (obj->idObj == (VoltIdentityObject *)0)
        break;

      *getInfo = (Pointer)(obj->idObj);
      status = 0;
      break;
    }

    /* Check the args.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_TYPE;
    if (flag != VOLT_RECIP_INFO_SET_TYPE_FLAG)
      break;

    /* If there's already an identity object in this RecipientInfo
     * object, error.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_SET;
    if (obj->idObj != (VoltIdentityObject *)0)
      break;

    /* The associated info must be an identity object.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_ASSOCIATED_INFO;
    if (info == (Pointer)0)
      break;

    VOLT_SET_FNCT_LINE (fnctLine)
    if (VOLT_OBJECT_TYPE_NOT_EQUAL (info, VOLT_OBJECT_TYPE_IDENTITY))
      break;

    /* Clone the input.
     */
    VOLT_SET_ERROR_TYPE (errorType, 0)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VtCloneObject (info, (Pointer *)&(obj->idObj));

  } while (0);

  VOLT_LOG_ERROR_INFO_COMPARE (
    status, 0, recipInfoObj, status, 0, errorType,
    (char *)0, "VtRecipientInfoParamIdObject", fnctLine, (char *)0)

  return (status);
}

int VtRecipientInfoParamSymmetricKey (
   VtRecipientInfoObject recipInfoObj,
   Pointer info,
   unsigned int flag
   )
{
  int status;
  VoltRecipientInfoObject *obj = (VoltRecipientInfoObject *)recipInfoObj;
  VtItem *keyData;
  Pointer *getInfo;
  VOLT_DECLARE_ERROR_TYPE (errorType)
  VOLT_DECLARE_FNCT_LINE (fnctLine)

  do
  {
    VOLT_SET_ERROR_TYPE (errorType, VT_ERROR_TYPE_PRIMARY)
    if (flag == VOLT_RECIP_INFO_GET_TYPE_FLAG)
    {
      /* Get the info out of the obj, if it's there.
       */
      status = 0;
      getInfo = (Pointer *)info;
      *getInfo = (Pointer)&(obj->symKeyData);
      if (obj->symKeyData.data != (unsigned char *)0)
        break;

      VOLT_SET_FNCT_LINE (fnctLine)
      status = VT_ERROR_GET_INFO_UNAVAILABLE;
      break;
    }

    /* Check the args.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_TYPE;
    if (flag != VOLT_RECIP_INFO_SET_TYPE_FLAG)
      break;

    /* If there's already a symmetric key in this object, error.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_SET;
    if (obj->symKeyData.data != (unsigned char *)0)
      break;

    /* The associatedInfo must be a VtItem.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_ASSOCIATED_INFO;
    if (info == (Pointer)0)
      break;

    VOLT_SET_FNCT_LINE (fnctLine)
    keyData = (VtItem *)info;
    if ( (keyData->data == (unsigned char *)0) || (keyData->len == 0) )
      break;

    /* Copy the data.
     */
    VOLT_SET_ERROR_TYPE (errorType, 0)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VoltCopyItemDataAlloc (
      obj->voltObject.libraryCtx, VOLT_MEMORY_SENSITIVE, 0, keyData,
      &(obj->symKeyData));

  } while (0);

  VOLT_LOG_ERROR_INFO_COMPARE (
    status, 0, recipInfoObj, status, 0, errorType,
    (char *)0, "VtRecipientInfoParamSymmetricKey", fnctLine, (char *)0)

  return (status);
}

int VtRecipientInfoParamIBEAlgorithm (
   VtRecipientInfoObject recipInfoObj,
   Pointer info,
   unsigned int flag
   )
{
  int status;
  unsigned int encodingLen, algorithm;
  VoltRecipientInfoObject *obj = (VoltRecipientInfoObject *)recipInfoObj;
  VtDerCoderInfo coderInfo;
  VtDerCoder *IbeAlg;
  VtItem algIDItem;
  unsigned char algId[VoltMaxIBEAlgIDLen];
  VOLT_DECLARE_ERROR_TYPE (errorType)
  VOLT_DECLARE_FNCT_LINE (fnctLine)

  do
  {
    VOLT_SET_ERROR_TYPE (errorType, VT_ERROR_TYPE_PRIMARY)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_GET;
    if (flag == VOLT_RECIP_INFO_GET_TYPE_FLAG)
      break;

    /* Check the args.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_TYPE;
    if (flag != VOLT_RECIP_INFO_SET_TYPE_FLAG)
      break;

    /* If the ibeAlg is already set in the object, error.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_SET;
    if ( (obj->IbeAlg != (VtDerCoder *)0) ||
         (obj->ibeAlgID.data != (unsigned char *)0) )
      break;

    /* Check the associatedInfo.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_ASSOCIATED_INFO;
    if (info == (Pointer)0)
      break;

    IbeAlg = (VtDerCoder *)info;

    /* Make sure the info is a DerCoder and that it is for an IBE
     * algorithm.
     */
    coderInfo.info.encodeData.libCtx =
      (VoltLibCtx *)(obj->voltObject.libraryCtx);
    coderInfo.info.encodeData.info = (Pointer)0;
    coderInfo.info.encodeData.encoding = algId;
    coderInfo.info.encodeData.bufferSize = sizeof (algId);
    coderInfo.info.encodeData.encodingLen = &encodingLen;
    VOLT_SET_ERROR_TYPE (errorType, 0)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = IbeAlg (&coderInfo, (Pointer)0, VOLT_DER_TYPE_ENCODE_FLAG);
    if (status != 0)
      break;

    coderInfo.info.getAlgData.libCtx =
      (VoltLibCtx *)(obj->voltObject.libraryCtx);
    coderInfo.info.getAlgData.oid = algId + 4;
    coderInfo.info.getAlgData.oidLen = (unsigned int)(algId[3]);
    coderInfo.info.getAlgData.encodingType = VOLT_ENCODING_TYPE_ALG_ID;
    coderInfo.info.getAlgData.algorithm = &algorithm;
    coderInfo.info.getAlgData.SymKeyParam = (VtKeyParam *)0;
    coderInfo.info.getAlgData.DigestImpl = (VtAlgorithmImpl *)0;
    VOLT_SET_FNCT_LINE (fnctLine)
    status = IbeAlg (&coderInfo, (Pointer)0, VOLT_DER_TYPE_GET_ALG_FLAG);
    if (status != 0)
      break;

    /* The alg must be an IBE alg.
     */
    VOLT_SET_ERROR_TYPE (errorType, VT_ERROR_TYPE_PRIMARY)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_ASSOCIATED_INFO;
    if ( (algorithm < VT_ALG_ID_MIN_IBE_CIPHER) ||
         (algorithm > VT_ALG_ID_MAX_IBE_CIPHER) )
      break;

    algIDItem.data = algId;
    algIDItem.len = encodingLen;
    VOLT_SET_ERROR_TYPE (errorType, 0)
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VoltCopyItemDataAlloc (
      obj->voltObject.libraryCtx, 0, 0, &algIDItem, &(obj->ibeAlgID));
    if (status != 0)
      break;

    obj->IbeAlg = IbeAlg;

  } while (0);

  VOLT_LOG_ERROR_INFO_COMPARE (
    status, 0, recipInfoObj, status, 0, errorType,
    (char *)0, "VtRecipientInfoParamIBEAlgorithm", fnctLine, (char *)0)

  return (status);
}

int VtRecipientInfoParamIBEAlgId (
   VtRecipientInfoObject recipInfoObj,
   Pointer info,
   unsigned int flag
   )
{
  int status;
  VoltRecipientInfoObject *obj = (VoltRecipientInfoObject *)recipInfoObj;
  Pointer *getInfo;
  VOLT_DECLARE_FNCT_LINE (fnctLine)

  do
  {
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_SET;
    if (flag == VOLT_RECIP_INFO_SET_TYPE_FLAG)
      break;

    /* Check the args.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_INVALID_TYPE;
    if (flag != VOLT_RECIP_INFO_GET_TYPE_FLAG)
      break;

    /* If the ibeAlgID is not set in the object, error.
     */
    VOLT_SET_FNCT_LINE (fnctLine)
    status = VT_ERROR_GET_INFO_UNAVAILABLE;
    if (obj->ibeAlgID.data == (unsigned char *)0)
      break;

    getInfo = (Pointer *)info;
    *getInfo = (Pointer)&(obj->ibeAlgID);

    status = 0;

  } while (0);

  VOLT_LOG_ERROR_INFO_COMPARE (
    status, 0, recipInfoObj, status, 0, VT_ERROR_TYPE_PRIMARY,
    (char *)0, "VtRecipientInfoParamIBEAlgID", fnctLine, (char *)0)

  return (status);
}