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 initialise a digest BIO before any data is
+must be called to initialize a digest BIO before any data is
passed through it. It is a BIO_ctrl() macro.
BIO_get_md() places the a pointer to the digest BIOs digest method