X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=doc%2Fcrypto%2FBIO_f_md.pod;h=e49b652a784711eaadf4ff0ec34f9ced410fcd24;hb=0501f02b060e45f2e2d275d779d864f3159f8ea9;hp=c32504dfb186f6854ecd9c41fb2b07d67ab215f9;hpb=acb5b34328e0e65095f7924f58c78a146e3d8a93;p=oweals%2Fopenssl.git

diff --git a/doc/crypto/BIO_f_md.pod b/doc/crypto/BIO_f_md.pod
index c32504dfb1..e49b652a78 100644
--- a/doc/crypto/BIO_f_md.pod
+++ b/doc/crypto/BIO_f_md.pod
@@ -28,7 +28,7 @@ BIO_gets(), if its B<size> parameter is large enough finishes the
 digest calculation and returns the digest value. BIO_puts() is
 not supported.
 
-BIO_reset() reinitializes a digest BIO.
+BIO_reset() reinitialises a digest BIO.
 
 BIO_set_md() sets the message digest of BIO B<b> to B<md>: this
 must be called to initialize a digest BIO before any data is
@@ -58,6 +58,12 @@ If an application needs to call BIO_gets() or BIO_puts() through
 a chain containing digest BIOs then this can be done by prepending
 a buffering BIO.
 
+Before OpenSSL 0.9.9 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
+0.9.9 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.