Lines Matching refs:ctx

506 return_type aes_set_key( const unsigned char key[], length_type keylen, aes_context ctx[1] )
525         ctx->rnd = 0;
528     block_copy_nn(ctx->ksch, key, keylen);
530     ctx->rnd = (hi >> 4) - 1;
534         t0 = ctx->ksch[cc - 4];
535         t1 = ctx->ksch[cc - 3];
536         t2 = ctx->ksch[cc - 2];
537         t3 = ctx->ksch[cc - 1];
555         ctx->ksch[cc + 0] = ctx->ksch[tt + 0] ^ t0;
556         ctx->ksch[cc + 1] = ctx->ksch[tt + 1] ^ t1;
557         ctx->ksch[cc + 2] = ctx->ksch[tt + 2] ^ t2;
558         ctx->ksch[cc + 3] = ctx->ksch[tt + 3] ^ t3;
569 …s_encrypt( const unsigned char in[N_BLOCK], unsigned char  out[N_BLOCK], const aes_context ctx[1] )
571     if( ctx->rnd )
574         copy_and_key( s1, in, ctx->ksch );
576         for( r = 1 ; r < ctx->rnd ; ++r )
580             add_round_key( s1, ctx->ksch + r * N_BLOCK);
585             copy_and_key( s1, s2, ctx->ksch + r * N_BLOCK);
589         copy_and_key( out, s1, ctx->ksch + r * N_BLOCK );
599                          int n_block, unsigned char iv[N_BLOCK], const aes_context ctx[1] )
605         if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
620 …es_decrypt( const unsigned char in[N_BLOCK], unsigned char out[N_BLOCK], const aes_context ctx[1] )
622     if( ctx->rnd )
625         copy_and_key( s1, in, ctx->ksch + ctx->rnd * N_BLOCK );
628         for( r = ctx->rnd ; --r ; )
631             add_round_key( s1, ctx->ksch + r * N_BLOCK );
636             copy_and_key( s2, s1, ctx->ksch + r * N_BLOCK );
640         copy_and_key( out, s1, ctx->ksch );
650                          int n_block, unsigned char iv[N_BLOCK], const aes_context ctx[1] )
656         if(aes_decrypt(in, out, ctx) != EXIT_SUCCESS)