diff options
Diffstat (limited to 'openssl/engines/e_4758cca.c')
| -rw-r--r-- | openssl/engines/e_4758cca.c | 994 |
1 files changed, 994 insertions, 0 deletions
diff --git a/openssl/engines/e_4758cca.c b/openssl/engines/e_4758cca.c new file mode 100644 index 000000000..0f1dae756 --- /dev/null +++ b/openssl/engines/e_4758cca.c @@ -0,0 +1,994 @@ +/* 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 */ |