diff options
Diffstat (limited to 'crypto/engine/hw_4758_cca.c')
| -rw-r--r-- | crypto/engine/hw_4758_cca.c | 969 |
1 files changed, 0 insertions, 969 deletions
diff --git a/crypto/engine/hw_4758_cca.c b/crypto/engine/hw_4758_cca.c deleted file mode 100644 index 4f5ae8a..0000000 --- a/crypto/engine/hw_4758_cca.c +++ /dev/null @@ -1,969 +0,0 @@ -/* 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 <openssl/crypto.h> -/* #include <openssl/pem.h> */ -#include "cryptlib.h" -#include <openssl/dso.h> -#include <openssl/x509.h> -#include <openssl/objects.h> -#include <openssl/engine.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 "hw_4758_cca_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)()); - -/* 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); - -static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, - int idx,long argl, void *argp); - -/* 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; - -static int hndidx = -1; -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 */ - }; -#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"; - -/* 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) || - !ENGINE_set_load_privkey_function(e, ibm_4758_load_privkey) || - !ENGINE_set_load_pubkey_function(e, ibm_4758_load_pubkey) || - !ENGINE_set_cmd_defns(e, cca4758_cmd_defns)) - return 0; - /* Ensure the error handling is set up */ - ERR_load_CCA4758_strings(); - return 1; - } - -#ifndef ENGINE_DYNAMIC_SUPPORT -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 - - hndidx = RSA_get_ex_new_index(0, "IBM 4758 CCA RSA key handle", - NULL, NULL, cca_ex_free); - - return 1; -err: - if(dso) - DSO_free(dso); - dso = NULL; - - 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; - 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; - 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; - return 1; - } - -static int ibm_4758_cca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) - { - 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]; - 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_CCA_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_CCA_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_CCA_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_CCA_LOAD_PRIVKEY, - CCA4758_R_FAILED_LOADING_PRIVATE_KEY); - goto err; - } - - if (!getModulusAndExponent(pubKeyToken, &exponentLength, - exponent, &modulusLength, &modulusFieldLength, - modulus)) - { - CCA4758err(CCA4758_F_IBM_4758_CCA_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]; - 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_CCA_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_CCA_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_CCA_LOAD_PRIVKEY, - ERR_R_MALLOC_FAILURE); - goto err; - } - - if (!getModulusAndExponent(keyToken+sizeof(long), &exponentLength, - exponent, &modulusLength, &modulusFieldLength, modulus)) - { - CCA4758err(CCA4758_F_IBM_4758_CCA_LOAD_PRIVKEY, - 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_IBM_4758_CCA_VERIFY, - CCA4758_R_UNKNOWN_ALGORITHM_TYPE); - return 0; - } - - if (!algorithm.algorithm->length) - { - CCA4758err(CCA4758_F_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_SIGN, - CCA4758_R_UNKNOWN_ALGORITHM_TYPE); - return 0; - } - - if (!algorithm.algorithm->length) - { - CCA4758err(CCA4758_F_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_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_IBM_4758_CCA_VERIFY, - 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 >= 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; - } - -static void cca_ex_free(void *obj, void *item, CRYPTO_EX_DATA *ad, int idx, - long argl, void *argp) - { - if (item) - OPENSSL_free(item); - } - -/* Goo to handle building as a dynamic engine */ -#ifdef ENGINE_DYNAMIC_SUPPORT -static int bind_fn(ENGINE *e, const char *id) - { - if(id && (strcmp(id, engine_4758_cca_id) != 0)) - return 0; - if(!bind_helper(e)) - return 0; - return 1; - } -IMPLEMENT_DYNAMIC_CHECK_FN() -IMPLEMENT_DYNAMIC_BIND_FN(bind_fn) -#endif /* ENGINE_DYNAMIC_SUPPORT */ - -#endif /* !OPENSSL_NO_HW_4758_CCA */ -#endif /* !OPENSSL_NO_HW */ |
