diff options
Diffstat (limited to 'crypto/engine/hw_atalla.c')
| -rw-r--r-- | crypto/engine/hw_atalla.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/crypto/engine/hw_atalla.c b/crypto/engine/hw_atalla.c index e3407e73c7..8bf702aac0 100644 --- a/crypto/engine/hw_atalla.c +++ b/crypto/engine/hw_atalla.c @@ -73,6 +73,7 @@ static int atalla_init(ENGINE *e); static int atalla_finish(ENGINE *e); +static int atalla_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()); /* BIGNUM stuff */ static int atalla_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, @@ -98,6 +99,15 @@ static int atalla_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); +/* The definitions for control commands specific to this engine */ +#define ATALLA_CMD_SO_PATH ENGINE_CMD_BASE +static const ENGINE_CMD_DEFN atalla_cmd_defns[] = { + {ATALLA_CMD_SO_PATH, + "SO_PATH", + "Specifies the path to the 'atasi' shared library", + ENGINE_CMD_FLAG_STRING}, + {0, NULL, NULL, 0} + }; /* Our internal RSA_METHOD that we provide pointers to */ static RSA_METHOD atalla_rsa = @@ -166,7 +176,9 @@ ENGINE *ENGINE_atalla() !ENGINE_set_DH(ret, &atalla_dh) || !ENGINE_set_BN_mod_exp(ret, atalla_mod_exp) || !ENGINE_set_init_function(ret, atalla_init) || - !ENGINE_set_finish_function(ret, atalla_finish)) + !ENGINE_set_finish_function(ret, atalla_finish) || + !ENGINE_set_ctrl_function(ret, atalla_ctrl) || + !ENGINE_set_cmd_defns(ret, atalla_cmd_defns)) { ENGINE_free(ret); return NULL; @@ -220,7 +232,8 @@ static tfnASI_GetPerformanceStatistics *p_Atalla_GetPerformanceStatistics = NULL * atasi.dll on win32). For the purposes of testing, I have created a symbollic * link called "libatasi.so" so that we can use native name-translation - a * better solution will be needed. */ -static const char *ATALLA_LIBNAME = "atasi"; +static const char def_ATALLA_LIBNAME[] = "atasi"; +static const char *ATALLA_LIBNAME = def_ATALLA_LIBNAME; static const char *ATALLA_F1 = "ASI_GetHardwareConfig"; static const char *ATALLA_F2 = "ASI_RSAPrivateKeyOpFn"; static const char *ATALLA_F3 = "ASI_GetPerformanceStatistics"; @@ -304,6 +317,31 @@ static int atalla_finish(ENGINE *e) return 1; } +static int atalla_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) + { + int initialised = ((atalla_dso == NULL) ? 0 : 1); + switch(cmd) + { + case ATALLA_CMD_SO_PATH: + if(p == NULL) + { + ENGINEerr(ENGINE_F_ATALLA_CTRL,ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + if(initialised) + { + ENGINEerr(ENGINE_F_ATALLA_CTRL,ENGINE_R_ALREADY_LOADED); + return 0; + } + ATALLA_LIBNAME = (const char *)p; + return 1; + default: + break; + } + ENGINEerr(ENGINE_F_ATALLA_CTRL,ENGINE_R_CTRL_COMMAND_NOT_IMPLEMENTED); + return 0; + } + static int atalla_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx) { |