cd /tmp
tar xvzf ~/Downloads/openssl-1.0.1g.tar.gz

else if (!strcmp (*args, "-noiter"))
                    iter = 1;
            else if (!strcmp (*args, "-nocrypt"))
                    nocrypt = 1;

else if (!strcmp (*args, "-noiter"))
                    iter = 1;
            else if (!strcmp (*args, "-iter"))
                    {
                    if (!args[1]) goto bad;
                    iter = atoi(*(++args));
                    if (iter <= 0) goto bad;
                    }
            else if (!strcmp (*args, "-nocrypt"))
                    nocrypt = 1;

cd /tmp/openssl-1.0.1g
./config --prefix=$HOME/local
make
make test
make install

$HOME/local/bin/openssl genrsa -out rsaraw.pem 2048
$HOME/local/bin/openssl pkcs8 -topk8 -v2 aes128 -iter 1000000 -in rsaraw.pem -out rsapk8.pem

openssl asn1parse -i -in rsapk8.pem

0:d=0  hl=4 l=1312 cons: SEQUENCE
  4:d=1  hl=2 l=  74 cons:  SEQUENCE
  6:d=2  hl=2 l=   9 prim:   OBJECT            :PBES2
 17:d=2  hl=2 l=  61 cons:   SEQUENCE
 19:d=3  hl=2 l=  28 cons:    SEQUENCE
 21:d=4  hl=2 l=   9 prim:     OBJECT            :PBKDF2
 32:d=4  hl=2 l=  15 cons:     SEQUENCE
 34:d=5  hl=2 l=   8 prim:      OCTET STRING      [HEX DUMP]:A4E21F4F210DEB6F
 44:d=5  hl=2 l=   3 prim:      INTEGER           :0F4240
 49:d=3  hl=2 l=  29 cons:    SEQUENCE
 51:d=4  hl=2 l=   9 prim:     OBJECT            :aes-128-cbc
 62:d=4  hl=2 l=  16 prim:     OCTET STRING      [HEX DUMP]:DAA184B3F6CC303B6A40A131E5C8C451
 80:d=1  hl=4 l=1232 prim:  OCTET STRING      [HEX DUMP]:2C15CF37D5ACC537AA92B
 (...)