Submitted By: Jaroslav Imrich <jaroslav.imrich@disig.sk>

The prompt_info and wrong_info parameters can be empty strings which
can produce confusing prompts. Treat empty string same as NULL.

security relevent we'd better list it.

Reject PSS signatures with unsupported trailer value.

from a digest algorithm.

Submitted By: Jaroslav Imrich <jaroslav.imrich@disig.sk>

Add "missing" functions to get and set prompt constructor.

Submitted By: "Joel Rabinovitch" <Joel.Rabinovitch@tecsys.com>

Detect aix64-gcc

change.

requests. Add new ASN1 signature initialisation function to handle this
case.

values.

Uses ASN1 module in Martin Kaiser's PSS patch.

now print out signatures instead of the standard hex dump.

More complex signatures (e.g. PSS) can print out more meaningful information.

Sample DSA version included that prints out the signature parameters r, s.

[Note EVP_PKEY_ASN1_METHOD is an application opaque structure so adding
 new fields in the middle has no compatibility issues]