Index: openssl/doc/crypto/BIO_f_md.pod |
=================================================================== |
--- openssl/doc/crypto/BIO_f_md.pod (revision 105093) |
+++ openssl/doc/crypto/BIO_f_md.pod (working copy) |
@@ -58,6 +58,12 @@ |
a chain containing digest BIOs then this can be done by prepending |
a buffering BIO. |
+Before OpenSSL 1.0.0 the call to BIO_get_md_ctx() would only work if the BIO |
+had been initialized for example by calling BIO_set_md() ). In OpenSSL |
+1.0.0 and later the context is always returned and the BIO is state is set |
+to initialized. This allows applications to initialize the context externally |
+if the standard calls such as BIO_set_md() are not sufficiently flexible. |
+ |
=head1 RETURN VALUES |
BIO_f_md() returns the digest BIO method. |