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-rw-r--r--lib/asn1/src/Restrictions.txt12
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/asn1/src/Restrictions.txt b/lib/asn1/src/Restrictions.txt
index 73b725245d..ed5ac6181e 100644
--- a/lib/asn1/src/Restrictions.txt
+++ b/lib/asn1/src/Restrictions.txt
@@ -1,10 +1,12 @@
The following restrictions apply to this implementation of the ASN.1 compiler:
-Supported encoding rules are:
-BER
-PER (aligned)
+The ASN.1 2002 standard is not fully supported because there has been no need for that.
+It seems as if most ASN.1 specifications are still using the 1998 standard or older.
-PER (unaligned) IS NOT SUPPORTED
+Supported encoding rules are:
+BER, DER
+PER ALIGNED
+PER UNALIGNED
Supported types are:
@@ -49,7 +51,7 @@ Files with ASN.1 source must have a suffix .asn1 the suffix .py used by the
old ASN.1 compiler is supported in this version but will not be supported in the future.
Generated files:
-X.asn1db % the intermediate format of a compiled ASN.1 module
+X.asn1db % the intermediate format of a compiled ASN.1 module ,only used by the ASN.1 compiler.
X.hrl % generated Erlang include file for module X
X.erl % generated Erlang module with encode decode functions for
% ASN.1 module X