PrintableString

PrintableString

A PrintableString is a Universal Tag in the ASN.1 notation.

According to RFC 3280 [http://www.ietf.org/rfc/rfc3280.txt] , PrintableString is an acceptable character set for the DirectoryName data type. PrintableString supports a subset of characters which does not include the at sign (@) or ampersand (&). This often causes problems for implementers when they attempt to place an email address within an X.509 digital certificate distinguished name.

According to the "Layman's Guide to a Subset of ASN.1, BER, and DER" [http://www.columbia.edu/~ariel/ssleay/layman.html] , the character set of PrintableString can be expressed as:

A, B, ..., Z
a, b, ..., z
0, 1, ..., 9
(space) ' ( ) + , - . / : = ?

References

# Citation
last1 = Housley | first1 = R.
last2 = Polk | first2 = W.
last3 = Ford | first3 = W.
last4 = Solo | first4 = D.
title = Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
url = http://www.ietf.org/rfc/rfc3280.txt
accessdate = 2007-06-19
# Citation
last = Kaliski, Jr.
first = Burton
title = A Layman's Guide to a Subset of ASN.1, BER, and DER
url=http://www.columbia.edu/~ariel/ssleay/layman.html
accessdate = 2007-06-19


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