void enc_gost(char *set_hash,char *in,char *out,int n_blocks){
gost_ctx *c=(gost_ctx *)malloc(sizeof(gost_ctx));
gost_subst_block *b=NULL;
gost_init(c,b);
gost_key(c,(byte *)set_hash);
gost_enc(c,(byte *)in,(byte *)out,n_blocks);
free(c);}
int keyWrapCryptoPro(gost_ctx *ctx,const unsigned char *keyExchangeKey, const unsigned char *ukm,
const unsigned char *sessionKey, unsigned char *wrappedKey)
{
unsigned char kek_ukm[32];
keyDiversifyCryptoPro(ctx,keyExchangeKey,ukm,kek_ukm);
gost_key(ctx,kek_ukm);
memcpy(wrappedKey,ukm,8);
gost_enc(ctx,sessionKey,wrappedKey+8,4);
gost_mac_iv(ctx,32,ukm,sessionKey,32,wrappedKey+40);
return 1;
}
