/* setup key context for encryption only */
static public int rijndael_set_key_enc_only(rijndael_ctx *ctx, byte *key, int bits)
{
int rounds;
rounds = rijndaelKeySetupEnc(ctx->ek, key, bits);
if (rounds == 0)
{
return(-1);
}
ctx->Nr = rounds;
ctx->enc_only = 1;
return(0);
}
static public void rijndael_encrypt(rijndael_ctx *ctx, byte *src, byte *dst)
{
rijndaelEncrypt(ctx->ek, ctx->Nr, src, dst);
}
static public void rijndael_decrypt(rijndael_ctx *ctx, byte *src, byte *dst)
{
rijndaelDecrypt(ctx->dk, ctx->Nr, src, dst);
}
