Although MD5, SHA-1 and SHA-256 allow it, bit length text is not supported for any hashing method.

The following table lists the required cryptographic hardware for each server type and describes restrictions for this callable service.

Table 156. One-way hash generate required hardware

Server	Required cryptographic hardware	Restrictions
IBM zSeries 900	Cryptographic Coprocessor Feature	SHA-1 requires CCF SHA-224 keyword not supported SHA-256 keyword not supported
IBM zSeries 990 IBM zSeries 890	CP Assist for Cryptographic Functions	SHA-1 requires CPACF SHA-224 keyword not supported SHA-256 keyword not supported
IBM System z9 EC IBM System z9 BC	CP Assist for Cryptographic Functions