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-rw-r--r--ext/openssl/lib/openssl/bn.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/openssl/lib/openssl/bn.rb b/ext/openssl/lib/openssl/bn.rb
index db722438e4..0e19c20d34 100644
--- a/ext/openssl/lib/openssl/bn.rb
+++ b/ext/openssl/lib/openssl/bn.rb
@@ -28,6 +28,9 @@ end # OpenSSL
# Add double dispatch to Integer
#
class Integer
+ # Casts an Integer as an OpenSSL::BN
+ #
+ # See `man bn` for more info.
def to_bn
OpenSSL::BN::new(self)
end