e_4758cca.c
上传用户:yisoukefu
上传日期:2020-08-09
资源大小:39506k
文件大小:25k
- /* Author: Maurice Gittens <maurice@gittens.nl> */
- /* ====================================================================
- * Copyright (c) 1999 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
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- #include <stdio.h>
- #include <string.h>
- #include <openssl/crypto.h>
- #include <openssl/dso.h>
- #include <openssl/x509.h>
- #include <openssl/objects.h>
- #include <openssl/engine.h>
- #include <openssl/rand.h>
- #ifndef OPENSSL_NO_RSA
- #include <openssl/rsa.h>
- #endif
- #include <openssl/bn.h>
- #ifndef OPENSSL_NO_HW
- #ifndef OPENSSL_NO_HW_4758_CCA
- #ifdef FLAT_INC
- #include "hw_4758_cca.h"
- #else
- #include "vendor_defns/hw_4758_cca.h"
- #endif
- #include "e_4758cca_err.c"
- static int ibm_4758_cca_destroy(ENGINE *e);
- static int ibm_4758_cca_init(ENGINE *e);
- static int ibm_4758_cca_finish(ENGINE *e);
- static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void));
- /* rsa functions */
- /*---------------*/
- #ifndef OPENSSL_NO_RSA
- static int cca_rsa_pub_enc(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa,int padding);
- static int cca_rsa_priv_dec(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa,int padding);
- static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
- unsigned char *sigret, unsigned int *siglen, const RSA *rsa);
- static int cca_rsa_verify(int dtype, const unsigned char *m, unsigned int m_len,
- unsigned char *sigbuf, unsigned int siglen, const RSA *rsa);
- /* utility functions */
- /*-----------------------*/
- static EVP_PKEY *ibm_4758_load_privkey(ENGINE*, const char*,
- UI_METHOD *ui_method, void *callback_data);
- static EVP_PKEY *ibm_4758_load_pubkey(ENGINE*, const char*,
- UI_METHOD *ui_method, void *callback_data);
- static int getModulusAndExponent(const unsigned char *token, long *exponentLength,
- unsigned char *exponent, long *modulusLength,
- long *modulusFieldLength, unsigned char *modulus);
- #endif
- /* RAND number functions */
- /*-----------------------*/
- static int cca_get_random_bytes(unsigned char*, int );
- static int cca_random_status(void);
- #ifndef OPENSSL_NO_RSA
- static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad,
- int idx,long argl, void *argp);
- #endif
- /* Function pointers for CCA verbs */
- /*---------------------------------*/
- #ifndef OPENSSL_NO_RSA
- static F_KEYRECORDREAD keyRecordRead;
- static F_DIGITALSIGNATUREGENERATE digitalSignatureGenerate;
- static F_DIGITALSIGNATUREVERIFY digitalSignatureVerify;
- static F_PUBLICKEYEXTRACT publicKeyExtract;
- static F_PKAENCRYPT pkaEncrypt;
- static F_PKADECRYPT pkaDecrypt;
- #endif
- static F_RANDOMNUMBERGENERATE randomNumberGenerate;
- /* static variables */
- /*------------------*/
- static const char *CCA4758_LIB_NAME = NULL;
- static const char *get_CCA4758_LIB_NAME(void)
- {
- if(CCA4758_LIB_NAME)
- return CCA4758_LIB_NAME;
- return CCA_LIB_NAME;
- }
- static void free_CCA4758_LIB_NAME(void)
- {
- if(CCA4758_LIB_NAME)
- OPENSSL_free((void*)CCA4758_LIB_NAME);
- CCA4758_LIB_NAME = NULL;
- }
- static long set_CCA4758_LIB_NAME(const char *name)
- {
- free_CCA4758_LIB_NAME();
- return (((CCA4758_LIB_NAME = BUF_strdup(name)) != NULL) ? 1 : 0);
- }
- #ifndef OPENSSL_NO_RSA
- static const char* n_keyRecordRead = CSNDKRR;
- static const char* n_digitalSignatureGenerate = CSNDDSG;
- static const char* n_digitalSignatureVerify = CSNDDSV;
- static const char* n_publicKeyExtract = CSNDPKX;
- static const char* n_pkaEncrypt = CSNDPKE;
- static const char* n_pkaDecrypt = CSNDPKD;
- #endif
- static const char* n_randomNumberGenerate = CSNBRNG;
- #ifndef OPENSSL_NO_RSA
- static int hndidx = -1;
- #endif
- static DSO *dso = NULL;
- /* openssl engine initialization structures */
- /*------------------------------------------*/
- #define CCA4758_CMD_SO_PATH ENGINE_CMD_BASE
- static const ENGINE_CMD_DEFN cca4758_cmd_defns[] = {
- {CCA4758_CMD_SO_PATH,
- "SO_PATH",
- "Specifies the path to the '4758cca' shared library",
- ENGINE_CMD_FLAG_STRING},
- {0, NULL, NULL, 0}
- };
- #ifndef OPENSSL_NO_RSA
- static RSA_METHOD ibm_4758_cca_rsa =
- {
- "IBM 4758 CCA RSA method",
- cca_rsa_pub_enc,
- NULL,
- NULL,
- cca_rsa_priv_dec,
- NULL, /*rsa_mod_exp,*/
- NULL, /*mod_exp_mont,*/
- NULL, /* init */
- NULL, /* finish */
- RSA_FLAG_SIGN_VER, /* flags */
- NULL, /* app_data */
- cca_rsa_sign, /* rsa_sign */
- cca_rsa_verify, /* rsa_verify */
- NULL /* rsa_keygen */
- };
- #endif
- static RAND_METHOD ibm_4758_cca_rand =
- {
- /* "IBM 4758 RAND method", */
- NULL, /* seed */
- cca_get_random_bytes, /* get random bytes from the card */
- NULL, /* cleanup */
- NULL, /* add */
- cca_get_random_bytes, /* pseudo rand */
- cca_random_status, /* status */
- };
- static const char *engine_4758_cca_id = "4758cca";
- static const char *engine_4758_cca_name = "IBM 4758 CCA hardware engine support";
- #ifndef OPENSSL_NO_DYNAMIC_ENGINE
- /* Compatibility hack, the dynamic library uses this form in the path */
- static const char *engine_4758_cca_id_alt = "4758_cca";
- #endif
- /* engine implementation */
- /*-----------------------*/
- static int bind_helper(ENGINE *e)
- {
- if(!ENGINE_set_id(e, engine_4758_cca_id) ||
- !ENGINE_set_name(e, engine_4758_cca_name) ||
- #ifndef OPENSSL_NO_RSA
- !ENGINE_set_RSA(e, &ibm_4758_cca_rsa) ||
- #endif
- !ENGINE_set_RAND(e, &ibm_4758_cca_rand) ||
- !ENGINE_set_destroy_function(e, ibm_4758_cca_destroy) ||
- !ENGINE_set_init_function(e, ibm_4758_cca_init) ||
- !ENGINE_set_finish_function(e, ibm_4758_cca_finish) ||
- !ENGINE_set_ctrl_function(e, ibm_4758_cca_ctrl) ||
- #ifndef OPENSSL_NO_RSA
- !ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) ||
- !ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) ||
- #endif
- !ENGINE_set_cmd_defns(e, cca4758_cmd_defns))
- return 0;
- /* Ensure the error handling is set up */
- ERR_load_CCA4758_strings();
- return 1;
- }
- #ifdef OPENSSL_NO_DYNAMIC_ENGINE
- static ENGINE *engine_4758_cca(void)
- {
- ENGINE *ret = ENGINE_new();
- if(!ret)
- return NULL;
- if(!bind_helper(ret))
- {
- ENGINE_free(ret);
- return NULL;
- }
- return ret;
- }
- void ENGINE_load_4758cca(void)
- {
- ENGINE *e_4758 = engine_4758_cca();
- if (!e_4758) return;
- ENGINE_add(e_4758);
- ENGINE_free(e_4758);
- ERR_clear_error();
- }
- #endif
- static int ibm_4758_cca_destroy(ENGINE *e)
- {
- ERR_unload_CCA4758_strings();
- free_CCA4758_LIB_NAME();
- return 1;
- }
- static int ibm_4758_cca_init(ENGINE *e)
- {
- if(dso)
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_ALREADY_LOADED);
- goto err;
- }
- dso = DSO_load(NULL, get_CCA4758_LIB_NAME(), NULL, 0);
- if(!dso)
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
- goto err;
- }
- #ifndef OPENSSL_NO_RSA
- if(!(keyRecordRead = (F_KEYRECORDREAD)
- DSO_bind_func(dso, n_keyRecordRead)) ||
- !(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
- DSO_bind_func(dso, n_randomNumberGenerate)) ||
- !(digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)
- DSO_bind_func(dso, n_digitalSignatureGenerate)) ||
- !(digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)
- DSO_bind_func(dso, n_digitalSignatureVerify)) ||
- !(publicKeyExtract = (F_PUBLICKEYEXTRACT)
- DSO_bind_func(dso, n_publicKeyExtract)) ||
- !(pkaEncrypt = (F_PKAENCRYPT)
- DSO_bind_func(dso, n_pkaEncrypt)) ||
- !(pkaDecrypt = (F_PKADECRYPT)
- DSO_bind_func(dso, n_pkaDecrypt)))
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
- goto err;
- }
- #else
- if(!(randomNumberGenerate = (F_RANDOMNUMBERGENERATE)
- DSO_bind_func(dso, n_randomNumberGenerate)))
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_INIT,CCA4758_R_DSO_FAILURE);
- goto err;
- }
- #endif
- #ifndef OPENSSL_NO_RSA
- hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle",
- NULL, NULL, cca_ex_free);
- #endif
- return 1;
- err:
- if(dso)
- DSO_free(dso);
- dso = NULL;
- #ifndef OPENSSL_NO_RSA
- keyRecordRead = (F_KEYRECORDREAD)0;
- digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
- digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
- publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
- pkaEncrypt = (F_PKAENCRYPT)0;
- pkaDecrypt = (F_PKADECRYPT)0;
- #endif
- randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
- return 0;
- }
- static int ibm_4758_cca_finish(ENGINE *e)
- {
- free_CCA4758_LIB_NAME();
- if(!dso)
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
- CCA4758_R_NOT_LOADED);
- return 0;
- }
- if(!DSO_free(dso))
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_FINISH,
- CCA4758_R_UNIT_FAILURE);
- return 0;
- }
- dso = NULL;
- #ifndef OPENSSL_NO_RSA
- keyRecordRead = (F_KEYRECORDREAD)0;
- randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
- digitalSignatureGenerate = (F_DIGITALSIGNATUREGENERATE)0;
- digitalSignatureVerify = (F_DIGITALSIGNATUREVERIFY)0;
- publicKeyExtract = (F_PUBLICKEYEXTRACT)0;
- pkaEncrypt = (F_PKAENCRYPT)0;
- pkaDecrypt = (F_PKADECRYPT)0;
- #endif
- randomNumberGenerate = (F_RANDOMNUMBERGENERATE)0;
- return 1;
- }
- static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void))
- {
- int initialised = ((dso == NULL) ? 0 : 1);
- switch(cmd)
- {
- case CCA4758_CMD_SO_PATH:
- if(p == NULL)
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
- ERR_R_PASSED_NULL_PARAMETER);
- return 0;
- }
- if(initialised)
- {
- CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
- CCA4758_R_ALREADY_LOADED);
- return 0;
- }
- return set_CCA4758_LIB_NAME((const char *)p);
- default:
- break;
- }
- CCA4758err(CCA4758_F_IBM_4758_CCA_CTRL,
- CCA4758_R_COMMAND_NOT_IMPLEMENTED);
- return 0;
- }
- #ifndef OPENSSL_NO_RSA
- #define MAX_CCA_PKA_TOKEN_SIZE 2500
- static EVP_PKEY *ibm_4758_load_privkey(ENGINE* e, const char* key_id,
- UI_METHOD *ui_method, void *callback_data)
- {
- RSA *rtmp = NULL;
- EVP_PKEY *res = NULL;
- unsigned char* keyToken = NULL;
- unsigned char pubKeyToken[MAX_CCA_PKA_TOKEN_SIZE];
- long pubKeyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
- long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
- long returnCode;
- long reasonCode;
- long exitDataLength = 0;
- long ruleArrayLength = 0;
- unsigned char exitData[8];
- unsigned char ruleArray[8];
- unsigned char keyLabel[64];
- unsigned long keyLabelLength = strlen(key_id);
- unsigned char modulus[256];
- long modulusFieldLength = sizeof(modulus);
- long modulusLength = 0;
- unsigned char exponent[256];
- long exponentLength = sizeof(exponent);
- if (keyLabelLength > sizeof(keyLabel))
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
- CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return NULL;
- }
- memset(keyLabel,' ', sizeof(keyLabel));
- memcpy(keyLabel, key_id, keyLabelLength);
- keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
- if (!keyToken)
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- keyRecordRead(&returnCode, &reasonCode, &exitDataLength,
- exitData, &ruleArrayLength, ruleArray, keyLabel,
- &keyTokenLength, keyToken+sizeof(long));
- if (returnCode)
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
- CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
- goto err;
- }
- publicKeyExtract(&returnCode, &reasonCode, &exitDataLength,
- exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
- keyToken+sizeof(long), &pubKeyTokenLength, pubKeyToken);
- if (returnCode)
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
- CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
- goto err;
- }
- if (!getModulusAndExponent(pubKeyToken, &exponentLength,
- exponent, &modulusLength, &modulusFieldLength,
- modulus))
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PRIVKEY,
- CCA4758_R_FAILED_LOADING_PRIVATE_KEY);
- goto err;
- }
- (*(long*)keyToken) = keyTokenLength;
- rtmp = RSA_new_method(e);
- RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
- rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
- rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
- rtmp->flags |= RSA_FLAG_EXT_PKEY;
- res = EVP_PKEY_new();
- EVP_PKEY_assign_RSA(res, rtmp);
- return res;
- err:
- if (keyToken)
- OPENSSL_free(keyToken);
- if (res)
- EVP_PKEY_free(res);
- if (rtmp)
- RSA_free(rtmp);
- return NULL;
- }
- static EVP_PKEY *ibm_4758_load_pubkey(ENGINE* e, const char* key_id,
- UI_METHOD *ui_method, void *callback_data)
- {
- RSA *rtmp = NULL;
- EVP_PKEY *res = NULL;
- unsigned char* keyToken = NULL;
- long keyTokenLength = MAX_CCA_PKA_TOKEN_SIZE;
- long returnCode;
- long reasonCode;
- long exitDataLength = 0;
- long ruleArrayLength = 0;
- unsigned char exitData[8];
- unsigned char ruleArray[8];
- unsigned char keyLabel[64];
- unsigned long keyLabelLength = strlen(key_id);
- unsigned char modulus[512];
- long modulusFieldLength = sizeof(modulus);
- long modulusLength = 0;
- unsigned char exponent[512];
- long exponentLength = sizeof(exponent);
- if (keyLabelLength > sizeof(keyLabel))
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
- CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return NULL;
- }
- memset(keyLabel,' ', sizeof(keyLabel));
- memcpy(keyLabel, key_id, keyLabelLength);
- keyToken = OPENSSL_malloc(MAX_CCA_PKA_TOKEN_SIZE + sizeof(long));
- if (!keyToken)
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- keyRecordRead(&returnCode, &reasonCode, &exitDataLength, exitData,
- &ruleArrayLength, ruleArray, keyLabel, &keyTokenLength,
- keyToken+sizeof(long));
- if (returnCode)
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
- ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength,
- exponent, &modulusLength, &modulusFieldLength, modulus))
- {
- CCA4758err(CCA4758_F_IBM_4758_LOAD_PUBKEY,
- CCA4758_R_FAILED_LOADING_PUBLIC_KEY);
- goto err;
- }
- (*(long*)keyToken) = keyTokenLength;
- rtmp = RSA_new_method(e);
- RSA_set_ex_data(rtmp, hndidx, (char *)keyToken);
- rtmp->e = BN_bin2bn(exponent, exponentLength, NULL);
- rtmp->n = BN_bin2bn(modulus, modulusFieldLength, NULL);
- rtmp->flags |= RSA_FLAG_EXT_PKEY;
- res = EVP_PKEY_new();
- EVP_PKEY_assign_RSA(res, rtmp);
- return res;
- err:
- if (keyToken)
- OPENSSL_free(keyToken);
- if (res)
- EVP_PKEY_free(res);
- if (rtmp)
- RSA_free(rtmp);
- return NULL;
- }
- static int cca_rsa_pub_enc(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa,int padding)
- {
- long returnCode;
- long reasonCode;
- long lflen = flen;
- long exitDataLength = 0;
- unsigned char exitData[8];
- long ruleArrayLength = 1;
- unsigned char ruleArray[8] = "PKCS-1.2";
- long dataStructureLength = 0;
- unsigned char dataStructure[8];
- long outputLength = RSA_size(rsa);
- long keyTokenLength;
- unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
- keyTokenLength = *(long*)keyToken;
- keyToken+=sizeof(long);
- pkaEncrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
- &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
- &dataStructureLength, dataStructure, &keyTokenLength,
- keyToken, &outputLength, to);
- if (returnCode || reasonCode)
- return -(returnCode << 16 | reasonCode);
- return outputLength;
- }
- static int cca_rsa_priv_dec(int flen, const unsigned char *from,
- unsigned char *to, RSA *rsa,int padding)
- {
- long returnCode;
- long reasonCode;
- long lflen = flen;
- long exitDataLength = 0;
- unsigned char exitData[8];
- long ruleArrayLength = 1;
- unsigned char ruleArray[8] = "PKCS-1.2";
- long dataStructureLength = 0;
- unsigned char dataStructure[8];
- long outputLength = RSA_size(rsa);
- long keyTokenLength;
- unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
- keyTokenLength = *(long*)keyToken;
- keyToken+=sizeof(long);
- pkaDecrypt(&returnCode, &reasonCode, &exitDataLength, exitData,
- &ruleArrayLength, ruleArray, &lflen, (unsigned char*)from,
- &dataStructureLength, dataStructure, &keyTokenLength,
- keyToken, &outputLength, to);
- return (returnCode | reasonCode) ? 0 : 1;
- }
- #define SSL_SIG_LEN 36
- static int cca_rsa_verify(int type, const unsigned char *m, unsigned int m_len,
- unsigned char *sigbuf, unsigned int siglen, const RSA *rsa)
- {
- long returnCode;
- long reasonCode;
- long lsiglen = siglen;
- long exitDataLength = 0;
- unsigned char exitData[8];
- long ruleArrayLength = 1;
- unsigned char ruleArray[8] = "PKCS-1.1";
- long keyTokenLength;
- unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
- long length = SSL_SIG_LEN;
- long keyLength ;
- unsigned char *hashBuffer = NULL;
- X509_SIG sig;
- ASN1_TYPE parameter;
- X509_ALGOR algorithm;
- ASN1_OCTET_STRING digest;
- keyTokenLength = *(long*)keyToken;
- keyToken+=sizeof(long);
- if (type == NID_md5 || type == NID_sha1)
- {
- sig.algor = &algorithm;
- algorithm.algorithm = OBJ_nid2obj(type);
- if (!algorithm.algorithm)
- {
- CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
- CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
- return 0;
- }
- if (!algorithm.algorithm->length)
- {
- CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
- CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
- return 0;
- }
- parameter.type = V_ASN1_NULL;
- parameter.value.ptr = NULL;
- algorithm.parameter = ¶meter;
- sig.digest = &digest;
- sig.digest->data = (unsigned char*)m;
- sig.digest->length = m_len;
- length = i2d_X509_SIG(&sig, NULL);
- }
- keyLength = RSA_size(rsa);
- if (length - RSA_PKCS1_PADDING > keyLength)
- {
- CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
- CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
- }
- switch (type)
- {
- case NID_md5_sha1 :
- if (m_len != SSL_SIG_LEN)
- {
- CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
- CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
- }
- hashBuffer = (unsigned char *)m;
- length = m_len;
- break;
- case NID_md5 :
- {
- unsigned char *ptr;
- ptr = hashBuffer = OPENSSL_malloc(
- (unsigned int)keyLength+1);
- if (!hashBuffer)
- {
- CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- i2d_X509_SIG(&sig, &ptr);
- }
- break;
- case NID_sha1 :
- {
- unsigned char *ptr;
- ptr = hashBuffer = OPENSSL_malloc(
- (unsigned int)keyLength+1);
- if (!hashBuffer)
- {
- CCA4758err(CCA4758_F_CCA_RSA_VERIFY,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- i2d_X509_SIG(&sig, &ptr);
- }
- break;
- default:
- return 0;
- }
- digitalSignatureVerify(&returnCode, &reasonCode, &exitDataLength,
- exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
- keyToken, &length, hashBuffer, &lsiglen, sigbuf);
- if (type == NID_sha1 || type == NID_md5)
- {
- OPENSSL_cleanse(hashBuffer, keyLength+1);
- OPENSSL_free(hashBuffer);
- }
- return ((returnCode || reasonCode) ? 0 : 1);
- }
- #define SSL_SIG_LEN 36
- static int cca_rsa_sign(int type, const unsigned char *m, unsigned int m_len,
- unsigned char *sigret, unsigned int *siglen, const RSA *rsa)
- {
- long returnCode;
- long reasonCode;
- long exitDataLength = 0;
- unsigned char exitData[8];
- long ruleArrayLength = 1;
- unsigned char ruleArray[8] = "PKCS-1.1";
- long outputLength=256;
- long outputBitLength;
- long keyTokenLength;
- unsigned char *hashBuffer = NULL;
- unsigned char* keyToken = (unsigned char*)RSA_get_ex_data(rsa, hndidx);
- long length = SSL_SIG_LEN;
- long keyLength ;
- X509_SIG sig;
- ASN1_TYPE parameter;
- X509_ALGOR algorithm;
- ASN1_OCTET_STRING digest;
- keyTokenLength = *(long*)keyToken;
- keyToken+=sizeof(long);
- if (type == NID_md5 || type == NID_sha1)
- {
- sig.algor = &algorithm;
- algorithm.algorithm = OBJ_nid2obj(type);
- if (!algorithm.algorithm)
- {
- CCA4758err(CCA4758_F_CCA_RSA_SIGN,
- CCA4758_R_UNKNOWN_ALGORITHM_TYPE);
- return 0;
- }
- if (!algorithm.algorithm->length)
- {
- CCA4758err(CCA4758_F_CCA_RSA_SIGN,
- CCA4758_R_ASN1_OID_UNKNOWN_FOR_MD);
- return 0;
- }
- parameter.type = V_ASN1_NULL;
- parameter.value.ptr = NULL;
- algorithm.parameter = ¶meter;
- sig.digest = &digest;
- sig.digest->data = (unsigned char*)m;
- sig.digest->length = m_len;
- length = i2d_X509_SIG(&sig, NULL);
- }
- keyLength = RSA_size(rsa);
- if (length - RSA_PKCS1_PADDING > keyLength)
- {
- CCA4758err(CCA4758_F_CCA_RSA_SIGN,
- CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
- }
- switch (type)
- {
- case NID_md5_sha1 :
- if (m_len != SSL_SIG_LEN)
- {
- CCA4758err(CCA4758_F_CCA_RSA_SIGN,
- CCA4758_R_SIZE_TOO_LARGE_OR_TOO_SMALL);
- return 0;
- }
- hashBuffer = (unsigned char*)m;
- length = m_len;
- break;
- case NID_md5 :
- {
- unsigned char *ptr;
- ptr = hashBuffer = OPENSSL_malloc(
- (unsigned int)keyLength+1);
- if (!hashBuffer)
- {
- CCA4758err(CCA4758_F_CCA_RSA_SIGN,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- i2d_X509_SIG(&sig, &ptr);
- }
- break;
- case NID_sha1 :
- {
- unsigned char *ptr;
- ptr = hashBuffer = OPENSSL_malloc(
- (unsigned int)keyLength+1);
- if (!hashBuffer)
- {
- CCA4758err(CCA4758_F_CCA_RSA_SIGN,
- ERR_R_MALLOC_FAILURE);
- return 0;
- }
- i2d_X509_SIG(&sig, &ptr);
- }
- break;
- default:
- return 0;
- }
- digitalSignatureGenerate(&returnCode, &reasonCode, &exitDataLength,
- exitData, &ruleArrayLength, ruleArray, &keyTokenLength,
- keyToken, &length, hashBuffer, &outputLength, &outputBitLength,
- sigret);
- if (type == NID_sha1 || type == NID_md5)
- {
- OPENSSL_cleanse(hashBuffer, keyLength+1);
- OPENSSL_free(hashBuffer);
- }
- *siglen = outputLength;
- return ((returnCode || reasonCode) ? 0 : 1);
- }
- static int getModulusAndExponent(const unsigned char*token, long *exponentLength,
- unsigned char *exponent, long *modulusLength, long *modulusFieldLength,
- unsigned char *modulus)
- {
- unsigned long len;
- if (*token++ != (char)0x1E) /* internal PKA token? */
- return 0;
- if (*token++) /* token version must be zero */
- return 0;
- len = *token++;
- len = len << 8;
- len |= (unsigned char)*token++;
- token += 4; /* skip reserved bytes */
- if (*token++ == (char)0x04)
- {
- if (*token++) /* token version must be zero */
- return 0;
- len = *token++;
- len = len << 8;
- len |= (unsigned char)*token++;
- token+=2; /* skip reserved section */
- len = *token++;
- len = len << 8;
- len |= (unsigned char)*token++;
- *exponentLength = len;
- len = *token++;
- len = len << 8;
- len |= (unsigned char)*token++;
- *modulusLength = len;
- len = *token++;
- len = len << 8;
- len |= (unsigned char)*token++;
- *modulusFieldLength = len;
- memcpy(exponent, token, *exponentLength);
- token+= *exponentLength;
- memcpy(modulus, token, *modulusFieldLength);
- return 1;
- }
- return 0;
- }
- #endif /* OPENSSL_NO_RSA */
- static int cca_random_status(void)
- {
- return 1;
- }
- static int cca_get_random_bytes(unsigned char* buf, int num)
- {
- long ret_code;
- long reason_code;
- long exit_data_length;
- unsigned char exit_data[4];
- unsigned char form[] = "RANDOM ";
- unsigned char rand_buf[8];
- while(num >= (int)sizeof(rand_buf))
- {
- randomNumberGenerate(&ret_code, &reason_code, &exit_data_length,
- exit_data, form, rand_buf);
- if (ret_code)
- return 0;
- num -= sizeof(rand_buf);
- memcpy(buf, rand_buf, sizeof(rand_buf));
- buf += sizeof(rand_buf);
- }
- if (num)
- {
- randomNumberGenerate(&ret_code, &reason_code, NULL, NULL,
- form, rand_buf);
- if (ret_code)
- return 0;
- memcpy(buf, rand_buf, num);
- }
- return 1;
- }
- #ifndef OPENSSL_NO_RSA
- static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx,
- long argl, void *argp)
- {
- if (item)
- OPENSSL_free(item);
- }
- #endif
- /* Goo to handle building as a dynamic engine */
- #ifndef OPENSSL_NO_DYNAMIC_ENGINE
- static int bind_fn(ENGINE *e, const char *id)
- {
- if(id && (strcmp(id, engine_4758_cca_id) != 0) &&
- (strcmp(id, engine_4758_cca_id_alt) != 0))
- return 0;
- if(!bind_helper(e))
- return 0;
- return 1;
- }
- IMPLEMENT_DYNAMIC_CHECK_FN()
- IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
- #endif /* OPENSSL_NO_DYNAMIC_ENGINE */
- #endif /* !OPENSSL_NO_HW_4758_CCA */
- #endif /* !OPENSSL_NO_HW */