Options:
- type(+Type)
- SHA algorithm used to compute the digest. Values are
sha1
,sha224
,sha256
,sha384
orsha512
. The default is the same as for rsa_sign/4. This option must match the algorithm that was used for signing. When operating with different parties, the used algorithm must be communicated over an authenticated channel. - encoding(+Encoding)
- Encoding to use for Data. Default is
hex
. Alternatives areoctet
,utf8
andtext
.