Subject line varies depending on order of fields. about openbsd HOT 3 CLOSED

The functions X509_NAME_oneline() and X509_NAME_print() are legacy
functions which produce a non-standard output form.  They don't handle
multi-character fields and have various quirks and inconsistencies.
Their use is strongly discouraged in new applications.

$ openssl genpkey -algorithm RSA -out my.key
$ openssl req -new -key my.key -out my.csr \
    -subj "/C=UK/L=London/O=Org/OU=Unit/CN=my.domain/[email protected]"

$ openssl req -in my.csr -text -noout
Certificate Request:
    Data:
        Version: 0 (0x0)
        Subject: C=UK, L=London, O=Org, OU=Unit, CN=my.domain/[email protected]
...

$ openssl asn1parse -in my.csr -inform PEM -dump
    0:d=0  hl=4 l= 689 cons: SEQUENCE
    4:d=1  hl=4 l= 409 cons: SEQUENCE
    8:d=2  hl=2 l=   1 prim: INTEGER           :00
   11:d=2  hl=2 l= 108 cons: SEQUENCE
   13:d=3  hl=2 l=  11 cons: SET
   15:d=4  hl=2 l=   9 cons: SEQUENCE
   17:d=5  hl=2 l=   3 prim: OBJECT            :countryName
   22:d=5  hl=2 l=   2 prim: PRINTABLESTRING   :UK
   26:d=3  hl=2 l=  15 cons: SET
   28:d=4  hl=2 l=  13 cons: SEQUENCE
   30:d=5  hl=2 l=   3 prim: OBJECT            :localityName
   35:d=5  hl=2 l=   6 prim: UTF8STRING        :London
   43:d=3  hl=2 l=  12 cons: SET
   45:d=4  hl=2 l=  10 cons: SEQUENCE
   47:d=5  hl=2 l=   3 prim: OBJECT            :organizationName
   52:d=5  hl=2 l=   3 prim: UTF8STRING        :Org
   57:d=3  hl=2 l=  13 cons: SET
   59:d=4  hl=2 l=  11 cons: SEQUENCE
   61:d=5  hl=2 l=   3 prim: OBJECT            :organizationalUnitName
   66:d=5  hl=2 l=   4 prim: UTF8STRING        :Unit
   72:d=3  hl=2 l=  18 cons: SET
   74:d=4  hl=2 l=  16 cons: SEQUENCE
   76:d=5  hl=2 l=   3 prim: OBJECT            :commonName
   81:d=5  hl=2 l=   9 prim: UTF8STRING        :my.domain
   92:d=3  hl=2 l=  27 cons: SET
   94:d=4  hl=2 l=  25 cons: SEQUENCE
   96:d=5  hl=2 l=   9 prim: OBJECT            :emailAddress
  107:d=5  hl=2 l=  12 prim: IA5STRING         :[email protected]
  121:d=2  hl=4 l= 290 cons: SEQUENCE
  125:d=3  hl=2 l=  13 cons: SEQUENCE
  127:d=4  hl=2 l=   9 prim: OBJECT            :rsaEncryption
  138:d=4  hl=2 l=   0 prim: NULL
  140:d=3  hl=4 l= 271 prim: BIT STRING
...