DBMS_CRYPTO

PLS-00201: identifier 'DBMS_CRYPTO' must be declared

In order for a user to use dbms_crypto, the user must be granted execution on the package, otherwise, the error PLS-00201: identifier 'DBMS_CRYPTO' must be declared is thrown.

grant execute on dbms_crypto to rene;

select distinct
   procedure_name
from
   all_procedures
where
   object_name = 'DBMS_CRYPTO'
order by
   procedure_name

`DECRYPT`
`ENCRYPT`
`HASH`	Creates a hash value from a `raw`, `blob` or `clob`.
`MAC`
`PKDECRYPT`
`PKENCRYPT`
`RANDOMBYTES`	Retrns a cryptographically secure pseudo-random sequence of bytes, based on RSA X9.31 PRNG algorithm. Compare with `dbms_random` which is not cryptographically secure.
`RANDOMINTEGER`	Returns a random integral number in the range of the `binary_integer` data type.
`RANDOMNUMBER`	Returns a random integral number as `number` data type.
`SIGN`
`VERIFY`