diff options
Diffstat (limited to 'demos/engines/ibmca/hw_ibmca.c')
| -rw-r--r-- | demos/engines/ibmca/hw_ibmca.c | 1374 |
1 files changed, 676 insertions, 698 deletions
diff --git a/demos/engines/ibmca/hw_ibmca.c b/demos/engines/ibmca/hw_ibmca.c index 4a997c85a9..082246f92d 100644 --- a/demos/engines/ibmca/hw_ibmca.c +++ b/demos/engines/ibmca/hw_ibmca.c @@ -1,6 +1,7 @@ /* crypto/engine/hw_ibmca.c */ -/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL - * project 2000. +/* + * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project + * 2000. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -64,21 +65,21 @@ #include <openssl/engine.h> #ifndef OPENSSL_NO_HW -#ifndef OPENSSL_NO_HW_IBMCA +# ifndef OPENSSL_NO_HW_IBMCA -#ifdef FLAT_INC -#include "ica_openssl_api.h" -#else -#include "vendor_defns/ica_openssl_api.h" -#endif +# ifdef FLAT_INC +# include "ica_openssl_api.h" +# else +# include "vendor_defns/ica_openssl_api.h" +# endif -#define IBMCA_LIB_NAME "ibmca engine" -#include "hw_ibmca_err.c" +# define IBMCA_LIB_NAME "ibmca engine" +# include "hw_ibmca_err.c" static int ibmca_destroy(ENGINE *e); static int ibmca_init(ENGINE *e); static int ibmca_finish(ENGINE *e); -static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()); +static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ()); static const char *IBMCA_F1 = "icaOpenAdapter"; static const char *IBMCA_F2 = "icaCloseAdapter"; @@ -86,837 +87,814 @@ static const char *IBMCA_F3 = "icaRsaModExpo"; static const char *IBMCA_F4 = "icaRandomNumberGenerate"; static const char *IBMCA_F5 = "icaRsaCrt"; -ICA_ADAPTER_HANDLE handle=0; +ICA_ADAPTER_HANDLE handle = 0; /* BIGNUM stuff */ static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx); + const BIGNUM *m, BN_CTX *ctx); static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *q, const BIGNUM *dmp1, const BIGNUM *dmq1, - const BIGNUM *iqmp, BN_CTX *ctx); + const BIGNUM *q, const BIGNUM *dmp1, + const BIGNUM *dmq1, const BIGNUM *iqmp, + BN_CTX *ctx); -#ifndef OPENSSL_NO_RSA +# ifndef OPENSSL_NO_RSA /* RSA stuff */ static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa); -#endif +# endif /* This function is aliased to mod_exp (with the mont stuff dropped). */ static int ibmca_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); + const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); -#ifndef OPENSSL_NO_DSA +# ifndef OPENSSL_NO_DSA /* DSA stuff */ static int ibmca_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, - BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, - BN_CTX *ctx, BN_MONT_CTX *in_mont); + BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, + BN_CTX *ctx, BN_MONT_CTX *in_mont); static int ibmca_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); -#endif + const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, + BN_MONT_CTX *m_ctx); +# endif -#ifndef OPENSSL_NO_DH +# ifndef OPENSSL_NO_DH /* DH stuff */ /* This function is alised to mod_exp (with the DH and mont dropped). */ -static int ibmca_mod_exp_dh(const DH *dh, BIGNUM *r, - const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -#endif +static int ibmca_mod_exp_dh(const DH *dh, BIGNUM *r, + const BIGNUM *a, const BIGNUM *p, + const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); +# endif /* RAND stuff */ static int ibmca_rand_bytes(unsigned char *buf, int num); static int ibmca_rand_status(void); - /* WJH - check for more commands, like in nuron */ /* The definitions for control commands specific to this engine */ -#define IBMCA_CMD_SO_PATH ENGINE_CMD_BASE +# define IBMCA_CMD_SO_PATH ENGINE_CMD_BASE static const ENGINE_CMD_DEFN ibmca_cmd_defns[] = { - {IBMCA_CMD_SO_PATH, - "SO_PATH", - "Specifies the path to the 'atasi' shared library", - ENGINE_CMD_FLAG_STRING}, - {0, NULL, NULL, 0} - }; - -#ifndef OPENSSL_NO_RSA + {IBMCA_CMD_SO_PATH, + "SO_PATH", + "Specifies the path to the 'atasi' shared library", + ENGINE_CMD_FLAG_STRING}, + {0, NULL, NULL, 0} +}; + +# ifndef OPENSSL_NO_RSA /* Our internal RSA_METHOD that we provide pointers to */ -static RSA_METHOD ibmca_rsa = - { - "Ibmca RSA method", - NULL, - NULL, - NULL, - NULL, - ibmca_rsa_mod_exp, - ibmca_mod_exp_mont, - NULL, - NULL, - 0, - NULL, - NULL, - NULL - }; -#endif - -#ifndef OPENSSL_NO_DSA +static RSA_METHOD ibmca_rsa = { + "Ibmca RSA method", + NULL, + NULL, + NULL, + NULL, + ibmca_rsa_mod_exp, + ibmca_mod_exp_mont, + NULL, + NULL, + 0, + NULL, + NULL, + NULL +}; +# endif + +# ifndef OPENSSL_NO_DSA /* Our internal DSA_METHOD that we provide pointers to */ -static DSA_METHOD ibmca_dsa = - { - "Ibmca DSA method", - NULL, /* dsa_do_sign */ - NULL, /* dsa_sign_setup */ - NULL, /* dsa_do_verify */ - ibmca_dsa_mod_exp, /* dsa_mod_exp */ - ibmca_mod_exp_dsa, /* bn_mod_exp */ - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL /* app_data */ - }; -#endif - -#ifndef OPENSSL_NO_DH +static DSA_METHOD ibmca_dsa = { + "Ibmca DSA method", + NULL, /* dsa_do_sign */ + NULL, /* dsa_sign_setup */ + NULL, /* dsa_do_verify */ + ibmca_dsa_mod_exp, /* dsa_mod_exp */ + ibmca_mod_exp_dsa, /* bn_mod_exp */ + NULL, /* init */ + NULL, /* finish */ + 0, /* flags */ + NULL /* app_data */ +}; +# endif + +# ifndef OPENSSL_NO_DH /* Our internal DH_METHOD that we provide pointers to */ -static DH_METHOD ibmca_dh = - { - "Ibmca DH method", - NULL, - NULL, - ibmca_mod_exp_dh, - NULL, - NULL, - 0, - NULL - }; -#endif - -static RAND_METHOD ibmca_rand = - { - /* "IBMCA RAND method", */ - NULL, - ibmca_rand_bytes, - NULL, - NULL, - ibmca_rand_bytes, - ibmca_rand_status, - }; +static DH_METHOD ibmca_dh = { + "Ibmca DH method", + NULL, + NULL, + ibmca_mod_exp_dh, + NULL, + NULL, + 0, + NULL +}; +# endif + +static RAND_METHOD ibmca_rand = { + /* "IBMCA RAND method", */ + NULL, + ibmca_rand_bytes, + NULL, + NULL, + ibmca_rand_bytes, + ibmca_rand_status, +}; /* Constants used when creating the ENGINE */ static const char *engine_ibmca_id = "ibmca"; static const char *engine_ibmca_name = "Ibmca hardware engine support"; -/* This internal function is used by ENGINE_ibmca() and possibly by the - * "dynamic" ENGINE support too */ +/* + * This internal function is used by ENGINE_ibmca() and possibly by the + * "dynamic" ENGINE support too + */ static int bind_helper(ENGINE *e) - { -#ifndef OPENSSL_NO_RSA - const RSA_METHOD *meth1; -#endif -#ifndef OPENSSL_NO_DSA - const DSA_METHOD *meth2; -#endif -#ifndef OPENSSL_NO_DH - const DH_METHOD *meth3; -#endif - if(!ENGINE_set_id(e, engine_ibmca_id) || - !ENGINE_set_name(e, engine_ibmca_name) || -#ifndef OPENSSL_NO_RSA - !ENGINE_set_RSA(e, &ibmca_rsa) || -#endif -#ifndef OPENSSL_NO_DSA - !ENGINE_set_DSA(e, &ibmca_dsa) || -#endif -#ifndef OPENSSL_NO_DH - !ENGINE_set_DH(e, &ibmca_dh) || -#endif - !ENGINE_set_RAND(e, &ibmca_rand) || - !ENGINE_set_destroy_function(e, ibmca_destroy) || - !ENGINE_set_init_function(e, ibmca_init) || - !ENGINE_set_finish_function(e, ibmca_finish) || - !ENGINE_set_ctrl_function(e, ibmca_ctrl) || - !ENGINE_set_cmd_defns(e, ibmca_cmd_defns)) - return 0; - -#ifndef OPENSSL_NO_RSA - /* We know that the "PKCS1_SSLeay()" functions hook properly - * to the ibmca-specific mod_exp and mod_exp_crt so we use - * those functions. NB: We don't use ENGINE_openssl() or - * anything "more generic" because something like the RSAref - * code may not hook properly, and if you own one of these - * cards then you have the right to do RSA operations on it - * anyway! */ - meth1 = RSA_PKCS1_SSLeay(); - ibmca_rsa.rsa_pub_enc = meth1->rsa_pub_enc; - ibmca_rsa.rsa_pub_dec = meth1->rsa_pub_dec; - ibmca_rsa.rsa_priv_enc = meth1->rsa_priv_enc; - ibmca_rsa.rsa_priv_dec = meth1->rsa_priv_dec; -#endif - -#ifndef OPENSSL_NO_DSA - /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish - * bits. */ - meth2 = DSA_OpenSSL(); - ibmca_dsa.dsa_do_sign = meth2->dsa_do_sign; - ibmca_dsa.dsa_sign_setup = meth2->dsa_sign_setup; - ibmca_dsa.dsa_do_verify = meth2->dsa_do_verify; -#endif - -#ifndef OPENSSL_NO_DH - /* Much the same for Diffie-Hellman */ - meth3 = DH_OpenSSL(); - ibmca_dh.generate_key = meth3->generate_key; - ibmca_dh.compute_key = meth3->compute_key; -#endif - - /* Ensure the ibmca error handling is set up */ - ERR_load_IBMCA_strings(); - return 1; - } +{ +# ifndef OPENSSL_NO_RSA + const RSA_METHOD *meth1; +# endif +# ifndef OPENSSL_NO_DSA + const DSA_METHOD *meth2; +# endif +# ifndef OPENSSL_NO_DH + const DH_METHOD *meth3; +# endif + if (!ENGINE_set_id(e, engine_ibmca_id) || + !ENGINE_set_name(e, engine_ibmca_name) || +# ifndef OPENSSL_NO_RSA + !ENGINE_set_RSA(e, &ibmca_rsa) || +# endif +# ifndef OPENSSL_NO_DSA + !ENGINE_set_DSA(e, &ibmca_dsa) || +# endif +# ifndef OPENSSL_NO_DH + !ENGINE_set_DH(e, &ibmca_dh) || +# endif + !ENGINE_set_RAND(e, &ibmca_rand) || + !ENGINE_set_destroy_function(e, ibmca_destroy) || + !ENGINE_set_init_function(e, ibmca_init) || + !ENGINE_set_finish_function(e, ibmca_finish) || + !ENGINE_set_ctrl_function(e, ibmca_ctrl) || + !ENGINE_set_cmd_defns(e, ibmca_cmd_defns)) + return 0; + +# ifndef OPENSSL_NO_RSA + /* + * We know that the "PKCS1_SSLeay()" functions hook properly to the + * ibmca-specific mod_exp and mod_exp_crt so we use those functions. NB: + * We don't use ENGINE_openssl() or anything "more generic" because + * something like the RSAref code may not hook properly, and if you own + * one of these cards then you have the right to do RSA operations on it + * anyway! + */ + meth1 = RSA_PKCS1_SSLeay(); + ibmca_rsa.rsa_pub_enc = meth1->rsa_pub_enc; + ibmca_rsa.rsa_pub_dec = meth1->rsa_pub_dec; + ibmca_rsa.rsa_priv_enc = meth1->rsa_priv_enc; + ibmca_rsa.rsa_priv_dec = meth1->rsa_priv_dec; +# endif + +# ifndef OPENSSL_NO_DSA + /* + * Use the DSA_OpenSSL() method and just hook the mod_exp-ish bits. + */ + meth2 = DSA_OpenSSL(); + ibmca_dsa.dsa_do_sign = meth2->dsa_do_sign; + ibmca_dsa.dsa_sign_setup = meth2->dsa_sign_setup; + ibmca_dsa.dsa_do_verify = meth2->dsa_do_verify; +# endif + +# ifndef OPENSSL_NO_DH + /* Much the same for Diffie-Hellman */ + meth3 = DH_OpenSSL(); + ibmca_dh.generate_key = meth3->generate_key; + ibmca_dh.compute_key = meth3->compute_key; +# endif + + /* Ensure the ibmca error handling is set up */ + ERR_load_IBMCA_strings(); + return 1; +} static ENGINE *engine_ibmca(void) - { - ENGINE *ret = ENGINE_new(); - if(!ret) - return NULL; - if(!bind_helper(ret)) - { - ENGINE_free(ret); - return NULL; - } - return ret; - } - -#ifdef ENGINE_DYNAMIC_SUPPORT +{ + ENGINE *ret = ENGINE_new(); + if (!ret) + return NULL; + if (!bind_helper(ret)) { + ENGINE_free(ret); + return NULL; + } + return ret; +} + +# ifdef ENGINE_DYNAMIC_SUPPORT static -#endif +# endif void ENGINE_load_ibmca(void) - { - /* Copied from eng_[openssl|dyn].c */ - ENGINE *toadd = engine_ibmca(); - if(!toadd) return; - ENGINE_add(toadd); - ENGINE_free(toadd); - ERR_clear_error(); - } +{ + /* Copied from eng_[openssl|dyn].c */ + ENGINE *toadd = engine_ibmca(); + if (!toadd) + return; + ENGINE_add(toadd); + ENGINE_free(toadd); + ERR_clear_error(); +} /* Destructor (complements the "ENGINE_ibmca()" constructor) */ static int ibmca_destroy(ENGINE *e) - { - /* Unload the ibmca error strings so any error state including our - * functs or reasons won't lead to a segfault (they simply get displayed - * without corresponding string data because none will be found). */ - ERR_unload_IBMCA_strings(); - return 1; - } - +{ + /* + * Unload the ibmca error strings so any error state including our functs + * or reasons won't lead to a segfault (they simply get displayed without + * corresponding string data because none will be found). + */ + ERR_unload_IBMCA_strings(); + return 1; +} -/* This is a process-global DSO handle used for loading and unloading - * the Ibmca library. NB: This is only set (or unset) during an - * init() or finish() call (reference counts permitting) and they're - * operating with global locks, so this should be thread-safe - * implicitly. */ +/* + * This is a process-global DSO handle used for loading and unloading the + * Ibmca library. NB: This is only set (or unset) during an init() or + * finish() call (reference counts permitting) and they're operating with + * global locks, so this should be thread-safe implicitly. + */ static DSO *ibmca_dso = NULL; -/* These are the function pointers that are (un)set when the library has - * successfully (un)loaded. */ +/* + * These are the function pointers that are (un)set when the library has + * successfully (un)loaded. + */ -static unsigned int (ICA_CALL *p_icaOpenAdapter)(); -static unsigned int (ICA_CALL *p_icaCloseAdapter)(); -static unsigned int (ICA_CALL *p_icaRsaModExpo)(); -static unsigned int (ICA_CALL *p_icaRandomNumberGenerate)(); -static unsigned int (ICA_CALL *p_icaRsaCrt)(); +static unsigned int (ICA_CALL * p_icaOpenAdapter) (); +static unsigned int (ICA_CALL * p_icaCloseAdapter) (); +static unsigned int (ICA_CALL * p_icaRsaModExpo) (); +static unsigned int (ICA_CALL * p_icaRandomNumberGenerate) (); +static unsigned int (ICA_CALL * p_icaRsaCrt) (); /* utility function to obtain a context */ -static int get_context(ICA_ADAPTER_HANDLE *p_handle) - { - unsigned int status=0; +static int get_context(ICA_ADAPTER_HANDLE * p_handle) +{ + unsigned int status = 0; - status = p_icaOpenAdapter(0, p_handle); - if(status != 0) - return 0; - return 1; - } + status = p_icaOpenAdapter(0, p_handle); + if (status != 0) + return 0; + return 1; +} /* similarly to release one. */ static void release_context(ICA_ADAPTER_HANDLE handle) - { - p_icaCloseAdapter(handle); - } +{ + p_icaCloseAdapter(handle); +} /* (de)initialisation functions. */ static int ibmca_init(ENGINE *e) - { - - void (*p1)(); - void (*p2)(); - void (*p3)(); - void (*p4)(); - void (*p5)(); - - if(ibmca_dso != NULL) - { - IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_ALREADY_LOADED); - goto err; - } - /* Attempt to load libatasi.so/atasi.dll/whatever. Needs to be - * changed unfortunately because the Ibmca drivers don't have - * standard library names that can be platform-translated well. */ - /* TODO: Work out how to actually map to the names the Ibmca - * drivers really use - for now a symbollic link needs to be - * created on the host system from libatasi.so to atasi.so on - * unix variants. */ - - /* WJH XXX check name translation */ - - ibmca_dso = DSO_load(NULL, IBMCA_LIBNAME, NULL, - /* DSO_FLAG_NAME_TRANSLATION */ 0); - if(ibmca_dso == NULL) - { - IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_DSO_FAILURE); - goto err; - } - - if(!(p1 = DSO_bind_func( - ibmca_dso, IBMCA_F1)) || - !(p2 = DSO_bind_func( - ibmca_dso, IBMCA_F2)) || - !(p3 = DSO_bind_func( - ibmca_dso, IBMCA_F3)) || - !(p4 = DSO_bind_func( - ibmca_dso, IBMCA_F4)) || - !(p5 = DSO_bind_func( - ibmca_dso, IBMCA_F5))) - { - IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_DSO_FAILURE); - goto err; - } - - /* Copy the pointers */ - - p_icaOpenAdapter = (unsigned int (ICA_CALL *)())p1; - p_icaCloseAdapter = (unsigned int (ICA_CALL *)())p2; - p_icaRsaModExpo = (unsigned int (ICA_CALL *)())p3; - p_icaRandomNumberGenerate = (unsigned int (ICA_CALL *)())p4; - p_icaRsaCrt = (unsigned int (ICA_CALL *)())p5; - - if(!get_context(&handle)) - { - IBMCAerr(IBMCA_F_IBMCA_INIT,IBMCA_R_UNIT_FAILURE); - goto err; - } - - return 1; +{ + + void (*p1) (); + void (*p2) (); + void (*p3) (); + void (*p4) (); + void (*p5) (); + + if (ibmca_dso != NULL) { + IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_ALREADY_LOADED); + goto err; + } + /* + * Attempt to load libatasi.so/atasi.dll/whatever. Needs to be changed + * unfortunately because the Ibmca drivers don't have standard library + * names that can be platform-translated well. + */ + /* + * TODO: Work out how to actually map to the names the Ibmca drivers + * really use - for now a symbollic link needs to be created on the host + * system from libatasi.so to atasi.so on unix variants. + */ + + /* WJH XXX check name translation */ + + ibmca_dso = DSO_load(NULL, IBMCA_LIBNAME, NULL, + /* + * DSO_FLAG_NAME_TRANSLATION + */ 0); + if (ibmca_dso == NULL) { + IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_DSO_FAILURE); + goto err; + } + + if (!(p1 = DSO_bind_func(ibmca_dso, IBMCA_F1)) || + !(p2 = DSO_bind_func(ibmca_dso, IBMCA_F2)) || + !(p3 = DSO_bind_func(ibmca_dso, IBMCA_F3)) || + !(p4 = DSO_bind_func(ibmca_dso, IBMCA_F4)) || + !(p5 = DSO_bind_func(ibmca_dso, IBMCA_F5))) { + IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_DSO_FAILURE); + goto err; + } + + /* Copy the pointers */ + + p_icaOpenAdapter = (unsigned int (ICA_CALL *) ())p1; + p_icaCloseAdapter = (unsigned int (ICA_CALL *) ())p2; + p_icaRsaModExpo = (unsigned int (ICA_CALL *) ())p3; + p_icaRandomNumberGenerate = (unsigned int (ICA_CALL *) ())p4; + p_icaRsaCrt = (unsigned int (ICA_CALL *) ())p5; + + if (!get_context(&handle)) { + IBMCAerr(IBMCA_F_IBMCA_INIT, IBMCA_R_UNIT_FAILURE); + goto err; + } + + return 1; err: - if(ibmca_dso) - DSO_free(ibmca_dso); + if (ibmca_dso) + DSO_free(ibmca_dso); - p_icaOpenAdapter = NULL; - p_icaCloseAdapter = NULL; - p_icaRsaModExpo = NULL; - p_icaRandomNumberGenerate = NULL; + p_icaOpenAdapter = NULL; + p_icaCloseAdapter = NULL; + p_icaRsaModExpo = NULL; + p_icaRandomNumberGenerate = NULL; - return 0; - } + return 0; +} static int ibmca_finish(ENGINE *e) - { - if(ibmca_dso == NULL) - { - IBMCAerr(IBMCA_F_IBMCA_FINISH,IBMCA_R_NOT_LOADED); - return 0; - } - release_context(handle); - if(!DSO_free(ibmca_dso)) - { - IBMCAerr(IBMCA_F_IBMCA_FINISH,IBMCA_R_DSO_FAILURE); - return 0; - } - ibmca_dso = NULL; - - return 1; - } +{ + if (ibmca_dso == NULL) { + IBMCAerr(IBMCA_F_IBMCA_FINISH, IBMCA_R_NOT_LOADED); + return 0; + } + release_context(handle); + if (!DSO_free(ibmca_dso)) { + IBMCAerr(IBMCA_F_IBMCA_FINISH, IBMCA_R_DSO_FAILURE); + return 0; + } + ibmca_dso = NULL; -static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) - { - int initialised = ((ibmca_dso == NULL) ? 0 : 1); - switch(cmd) - { - case IBMCA_CMD_SO_PATH: - if(p == NULL) - { - IBMCAerr(IBMCA_F_IBMCA_CTRL,ERR_R_PASSED_NULL_PARAMETER); - return 0; - } - if(initialised) - { - IBMCAerr(IBMCA_F_IBMCA_CTRL,IBMCA_R_ALREADY_LOADED); - return 0; - } - IBMCA_LIBNAME = (const char *)p; - return 1; - default: - break; - } - IBMCAerr(IBMCA_F_IBMCA_CTRL,IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED); - return 0; - } + return 1; +} +static int ibmca_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) ()) +{ + int initialised = ((ibmca_dso == NULL) ? 0 : 1); + switch (cmd) { + case IBMCA_CMD_SO_PATH: + if (p == NULL) { + IBMCAerr(IBMCA_F_IBMCA_CTRL, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + if (initialised) { + IBMCAerr(IBMCA_F_IBMCA_CTRL, IBMCA_R_ALREADY_LOADED); + return 0; + } + IBMCA_LIBNAME = (const char *)p; + return 1; + default: + break; + } + IBMCAerr(IBMCA_F_IBMCA_CTRL, IBMCA_R_CTRL_COMMAND_NOT_IMPLEMENTED); + return 0; +} static int ibmca_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx) - { - /* I need somewhere to store temporary serialised values for - * use with the Ibmca API calls. A neat cheat - I'll use - * BIGNUMs from the BN_CTX but access their arrays directly as - * byte arrays <grin>. This way I don't have to clean anything - * up. */ - - BIGNUM *argument=NULL; - BIGNUM *result=NULL; - BIGNUM *key=NULL; - int to_return; - int inLen, outLen, tmpLen; - - - ICA_KEY_RSA_MODEXPO *publKey=NULL; - unsigned int rc; - - to_return = 0; /* expect failure */ - - if(!ibmca_dso) - { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_NOT_LOADED); - goto err; - } - /* Prepare the params */ - BN_CTX_start(ctx); - argument = BN_CTX_get(ctx); - result = BN_CTX_get(ctx); - key = BN_CTX_get(ctx); - - if( !argument || !result || !key) - { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_BN_CTX_FULL); - goto err; - } - - - if(!bn_wexpand(argument, m->top) || !bn_wexpand(result, m->top) || - !bn_wexpand(key, sizeof(*publKey)/BN_BYTES)) - - { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_BN_EXPAND_FAIL); - goto err; - } - - publKey = (ICA_KEY_RSA_MODEXPO *)key->d; - - if (publKey == NULL) - { - goto err; - } - memset(publKey, 0, sizeof(ICA_KEY_RSA_MODEXPO)); - - publKey->keyType = CORRECT_ENDIANNESS(ME_KEY_TYPE); - publKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_MODEXPO)); - publKey->expOffset = (char *) publKey->keyRecord - (char *) publKey; - - /* A quirk of the card: the exponent length has to be the same - as the modulus (key) length */ - - outLen = BN_num_bytes(m); + const BIGNUM *m, BN_CTX *ctx) +{ + /* + * I need somewhere to store temporary serialised values for use with the + * Ibmca API calls. A neat cheat - I'll use BIGNUMs from the BN_CTX but + * access their arrays directly as byte arrays <grin>. This way I don't + * have to clean anything up. + */ + + BIGNUM *argument = NULL; + BIGNUM *result = NULL; + BIGNUM *key = NULL; + int to_return; + int inLen, outLen, tmpLen; + + ICA_KEY_RSA_MODEXPO *publKey = NULL; + unsigned int rc; + + to_return = 0; /* expect failure */ + + if (!ibmca_dso) { + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_NOT_LOADED); + goto err; + } + /* Prepare the params */ + BN_CTX_start(ctx); + argument = BN_CTX_get(ctx); + result = BN_CTX_get(ctx); + key = BN_CTX_get(ctx); + + if (!argument || !result || !key) { + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_BN_CTX_FULL); + goto err; + } + + if (!bn_wexpand(argument, m->top) || !bn_wexpand(result, m->top) || + !bn_wexpand(key, sizeof(*publKey) / BN_BYTES)) { + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_BN_EXPAND_FAIL); + goto err; + } + + publKey = (ICA_KEY_RSA_MODEXPO *)key->d; + + if (publKey == NULL) { + goto err; + } + memset(publKey, 0, sizeof(ICA_KEY_RSA_MODEXPO)); + + publKey->keyType = CORRECT_ENDIANNESS(ME_KEY_TYPE); + publKey->keyLength = CORRECT_ENDIANNESS(sizeof(ICA_KEY_RSA_MODEXPO)); + publKey->expOffset = (char *)publKey->keyRecord - (char *)publKey; + + /* + * A quirk of the card: the exponent length has to be the same as the + * modulus (key) length + */ + + outLen = BN_num_bytes(m); /* check for modulus length SAB*/ - if (outLen > 256 ) { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_MEXP_LENGTH_TO_LARGE); - goto err; - } + if (outLen > 256) { + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_MEXP_LENGTH_TO_LARGE); + goto err; + } /* check for modulus length SAB*/ - - publKey->expLength = publKey->nLength = outLen; -/* SAB Check for underflow condition - the size of the exponent is less than the size of the parameter - then we have a big problem and will underflow the keyRecord - buffer. Bad stuff could happen then -*/ -if (outLen < BN_num_bytes(p)){ - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_UNDERFLOW_KEYRECORD); - goto err; -} + publKey->expLength = publKey->nLength = outLen; + /* + * SAB Check for underflow condition the size of the exponent is less + * than the size of the parameter then we have a big problem and will + * underflow the keyRecord buffer. Bad stuff could happen then + */ + if (outLen < BN_num_bytes(p)) { + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_UNDERFLOW_KEYRECORD); + goto err; + } /* SAB End check for underflow */ + BN_bn2bin(p, &publKey->keyRecord[publKey->expLength - BN_num_bytes(p)]); + BN_bn2bin(m, &publKey->keyRecord[publKey->expLength]); - BN_bn2bin(p, &publKey->keyRecord[publKey->expLength - - BN_num_bytes(p)]); - BN_bn2bin(m, &publKey->keyRecord[publKey->expLength]); - - - - publKey->modulusBitLength = CORRECT_ENDIANNESS(publKey->nLength * 8); - publKey->nOffset = CORRECT_ENDIANNESS(publKey->expOffset + - publKey->expLength); - - publKey->expOffset = CORRECT_ENDIANNESS((char *) publKey->keyRecord - - (char *) publKey); + publKey->modulusBitLength = CORRECT_ENDIANNESS(publKey->nLength * 8); + publKey->nOffset = CORRECT_ENDIANNESS(publKey->expOffset + + publKey->expLength); - tmpLen = outLen; - publKey->expLength = publKey->nLength = CORRECT_ENDIANNESS(tmpLen); + publKey->expOffset = CORRECT_ENDIANNESS((char *)publKey->keyRecord - + (char *)publKey); - /* Prepare the argument */ + tmpLen = outLen; + publKey->expLength = publKey->nLength = CORRECT_ENDIANNESS(tmpLen); - memset(argument->d, 0, outLen); - BN_bn2bin(a, (unsigned char *)argument->d + outLen - - BN_num_bytes(a)); + /* Prepare the argument */ - inLen = outLen; + memset(argument->d, 0, outLen); + BN_bn2bin(a, (unsigned char *)argument->d + outLen - BN_num_bytes(a)); - /* Perform the operation */ + inLen = outLen; - if( (rc = p_icaRsaModExpo(handle, inLen,(unsigned char *)argument->d, - publKey, &outLen, (unsigned char *)result->d)) - !=0 ) + /* Perform the operation */ - { - printf("rc = %d\n", rc); - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP,IBMCA_R_REQUEST_FAILED); - goto err; - } + if ((rc = p_icaRsaModExpo(handle, inLen, (unsigned char *)argument->d, + publKey, &outLen, (unsigned char *)result->d)) + != 0) { + printf("rc = %d\n", rc); + IBMCAerr(IBMCA_F_IBMCA_MOD_EXP, IBMCA_R_REQUEST_FAILED); + goto err; + } - - /* Convert the response */ - BN_bin2bn((unsigned char *)result->d, outLen, r); - to_return = 1; + /* Convert the response */ + BN_bin2bn((unsigned char *)result->d, outLen, r); + to_return = 1; err: - BN_CTX_end(ctx); - return to_return; - } + BN_CTX_end(ctx); + return to_return; +} -#ifndef OPENSSL_NO_RSA +# ifndef OPENSSL_NO_RSA static int ibmca_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa) - { - BN_CTX *ctx; - int to_return = 0; - - if((ctx = BN_CTX_new()) == NULL) - goto err; - if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) - { - if(!rsa->d || !rsa->n) - { - IBMCAerr(IBMCA_F_IBMCA_RSA_MOD_EXP, - IBMCA_R_MISSING_KEY_COMPONENTS); - goto err; - } - to_return = ibmca_mod_exp(r0, I, rsa->d, rsa->n, ctx); - } - else - { - to_return = ibmca_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1, - rsa->dmq1, rsa->iqmp, ctx); - } - err: - if(ctx) - BN_CTX_free(ctx); - return to_return; +{ + BN_CTX *ctx; + int to_return = 0; + + if ((ctx = BN_CTX_new()) == NULL) + goto err; + if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) { + if (!rsa->d || !rsa->n) { + IBMCAerr(IBMCA_F_IBMCA_RSA_MOD_EXP, + IBMCA_R_MISSING_KEY_COMPONENTS); + goto err; } -#endif + to_return = ibmca_mod_exp(r0, I, rsa->d, rsa->n, ctx); + } else { + to_return = ibmca_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1, + rsa->dmq1, rsa->iqmp, ctx); + } + err: + if (ctx) + BN_CTX_free(ctx); + return to_return; +} +# endif /* Ein kleines chinesisches "Restessen" */ static int ibmca_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *q, const BIGNUM *dmp1, - const BIGNUM *dmq1, const BIGNUM *iqmp, BN_CTX *ctx) - { + const BIGNUM *q, const BIGNUM *dmp1, + const BIGNUM *dmq1, const BIGNUM *iqmp, + BN_CTX *ctx) +{ - BIGNUM *argument = NULL; - BIGNUM *result = NULL; - BIGNUM *key = NULL; + BIGNUM *argument = NULL; + BIGNUM *result = NULL; + BIGNUM *key = NULL; - int to_return = 0; /* expect failure */ + int to_return = 0; /* expect failure */ - char *pkey=NULL; - ICA_KEY_RSA_CRT *privKey=NULL; - int inLen, outLen; + char *pkey = NULL; + ICA_KEY_RSA_CRT *privKey = NULL; + int inLen, outLen; - int rc; - unsigned int offset, pSize, qSize; + int rc; + unsigned int offset, pSize, qSize; /* SAB New variables */ - unsigned int keyRecordSize; - unsigned int pbytes = BN_num_bytes(p); - unsigned int qbytes = BN_num_bytes(q); - unsigned int dmp1bytes = BN_num_bytes(dmp1); - unsigned int dmq1bytes = BN_num_bytes(dmq1); - unsigned int iqmpbytes = BN_num_bytes(iqmp); - - /* Prepare the params */ - - BN_CTX_start(ctx); - argument = BN_CTX_get(ctx); - result = BN_CTX_get(ctx); - key = BN_CTX_get(ctx); - - if(!argument || !result || !key) - { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_BN_CTX_FULL); - goto err; - } - - if(!bn_wexpand(argument, p->top + q->top) || - !bn_wexpand(result, p->top + q->top) || - !bn_wexpand(key, sizeof(*privKey)/BN_BYTES )) - { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_BN_EXPAND_FAIL); - goto err; - } - - - privKey = (ICA_KEY_RSA_CRT *)key->d; -/* SAB Add check for total size in bytes of the parms does not exceed - the buffer space we have - do this first -*/ - keyRecordSize = pbytes+qbytes+dmp1bytes+dmq1bytes+iqmpbytes; - if ( keyRecordSize > sizeof(privKey->keyRecord )) { - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE); - goto err; - } - - if ( (qbytes + dmq1bytes) > 256 ){ - IBMCAerr(IBMCA_F_IBMCA_MOD_EXP_CRT,IBMCA_R_OPERANDS_TO_LARGE); - goto err; - } |