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-rw-r--r--src/cryptography/x509/name.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/cryptography/x509/name.py b/src/cryptography/x509/name.py
index 922cab5a..6816e063 100644
--- a/src/cryptography/x509/name.py
+++ b/src/cryptography/x509/name.py
@@ -54,6 +54,9 @@ _NAMEOID_TO_NAME = {
def _escape_dn_value(val):
"""Escape special characters in RFC4514 Distinguished Name value."""
+ if not val:
+ return ''
+
# See https://tools.ietf.org/html/rfc4514#section-2.4
val = val.replace('\\', '\\\\')
val = val.replace('"', '\\"')
@@ -93,9 +96,6 @@ class NameAttribute(object):
"Country name must be a 2 character country code"
)
- if len(value) == 0:
- raise ValueError("Value cannot be an empty string")
-
# The appropriate ASN1 string type varies by OID and is defined across
# multiple RFCs including 2459, 3280, and 5280. In general UTF8String
# is preferred (2459), but 3280 and 5280 specify several OIDs with