* Drop support for using the same loaded rsa key with multiple different
hash algorithms (which was broken in 0.5.0). Right now we support
only `sha1' and `md5' so everyone should be using `sha1'.
* Drop support for using the same loaded rsa key with multiple different
hash algorithms (which was broken in 0.5.0). Right now we support
only `sha1' and `md5' so everyone should be using `sha1'.