--- /dev/null
+/* 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>
+#include <openssl/rsa.h>
+#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);
+
+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 */
+ 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";
+/* Compatibility hack, the dynamic library uses this form in the path */
+static const char *engine_4758_cca_id_alt = "4758_cca";
+
+/* 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;
+ }
+
+#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
+
+ 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)(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;
+ }
+
+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 */
+#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 */
projects / openssl.git / blobdiff