static int
gost2814789_md_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)
{
GOST2814789IMIT_CTX *gctx = ctx->md_data;
switch (cmd) {
case EVP_MD_CTRL_SET_KEY:
return Gost2814789_set_key(&gctx->cipher, p2, p1);
case EVP_MD_CTRL_GOST_SET_SBOX:
return Gost2814789_set_sbox(&gctx->cipher, p1);
}
return -2;
}
static int
gost2814789_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
{
EVP_GOST2814789_CTX *c = ctx->cipher_data;
switch (type) {
case EVP_CTRL_PBE_PRF_NID:
if (ptr != NULL) {
*((int *)ptr) = NID_id_HMACGostR3411_94;
return 1;
} else {
return 0;
}
case EVP_CTRL_INIT:
/* Default value to have any s-box set at all */
c->param_nid = NID_id_Gost28147_89_CryptoPro_A_ParamSet;
return Gost2814789_set_sbox(&c->ks, c->param_nid);
case EVP_CTRL_GOST_SET_SBOX:
return Gost2814789_set_sbox(&c->ks, arg);
default:
return -1;
}
}
int
gost2814789_get_asn1_params(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
{
int ret = -1;
int len;
GOST_CIPHER_PARAMS *gcp = NULL;
EVP_GOST2814789_CTX *c = ctx->cipher_data;
unsigned char *p;
if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE)
return ret;
p = params->value.sequence->data;
gcp = d2i_GOST_CIPHER_PARAMS(NULL, (const unsigned char **)&p,
params->value.sequence->length);
len = gcp->iv->length;
if (len != ctx->cipher->iv_len) {
GOST_CIPHER_PARAMS_free(gcp);
GOSTerr(GOST_F_GOST89_GET_ASN1_PARAMETERS,
GOST_R_INVALID_IV_LENGTH);
return -1;
}
if (!Gost2814789_set_sbox(&c->ks, OBJ_obj2nid(gcp->enc_param_set))) {
GOST_CIPHER_PARAMS_free(gcp);
return -1;
}
c->param_nid = OBJ_obj2nid(gcp->enc_param_set);
memcpy(ctx->oiv, gcp->iv->data, len);
memcpy(ctx->iv, gcp->iv->data, len);
GOST_CIPHER_PARAMS_free(gcp);
return 1;
}
int
GOSTR341194_Init(GOSTR341194_CTX *c, int nid)
{
memset(c, 0, sizeof(*c));
return Gost2814789_set_sbox(&c->cipher, nid);
}
