diff options
| -rw-r--r-- | doc/crypto/EVP_BytesToKey.pod | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/crypto/EVP_BytesToKey.pod b/doc/crypto/EVP_BytesToKey.pod index cd09b68ca8..5d6059528e 100644 --- a/doc/crypto/EVP_BytesToKey.pod +++ b/doc/crypto/EVP_BytesToKey.pod @@ -55,7 +55,10 @@ the IV. =head1 RETURN VALUES -EVP_BytesToKey() returns the size of the derived key in bytes, or 0 on error. +If B<data> is NULL, then EVP_BytesToKey() returns the number of bytes +needed to store the derived key. +Otherwise, EVP_BytesToKey() returns the size of the derived key in bytes, +or 0 on error. =head1 SEE ALSO |