asn1=SEQUENCE:rsa_key

    [rsa_key]
    version=INTEGER:0
    modulus=INTEGER:187
    pubExp=INTEGER:7
    privExp=INTEGER:23
    p=INTEGER:17
    q=INTEGER:11
    e1=INTEGER:7
    e2=INTEGER:3
    coeff=INTEGER:14

$openssl asn1parse -genconf asn_format_mykey.txt -out pkey.der

$openssl rsa -inform der -in newkey.der -outform pem -pubout>pkey.pem

$openssl rsa -in newkey.der -inform der -text -check

$ echo 'aaaa'| openssl rsautl -encrypt -pubin -inkey pkey.pem -raw -out message.encrypted