Getting below error after installation of GunPGP in Sun Solaris by Admin team.
While try to register keys getting error.
gpg2 --gen-key
gpg (GnuPG) 2.0.16; Copyright (C) 2009 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Warning: using insecure memory!
gpg: keyring `/export/users/applprod/.gnupg/secring.gpg' created
Please select what kind of key you want:

(1) RSA and RSA (default)
(2) DSA and Elgamal
(3) DSA (sign only)
(4) RSA (sign only)

Your selection? 3
DSA keys may be between 1024 and 3072 bits long.
What keysize do you want? (2048)
Requested keysize is 2048 bits
Please specify how long the key should be valid.

   0 = key does not expire
<n>  = key expires in n days
<n>w = key expires in n weeks
<n>m = key expires in n months
<n>y = key expires in n years

Key is valid for? (0) 0
Key does not expire at all
Is this correct? (y/N) y

GnuPG needs to construct a user ID to identify your key.

Real name: CDFPGP
Email address:
Comment: test for pgp2
You selected this USER-ID:

"CDFPGP (test for pgp2)"

Change (N)ame, (C)omment, (E)mail or (O)kay/(Q)uit? O
You need a Passphrase to protect your secret key.

gpg-agent[3990]: can't connect to the PIN entry module: IPC connect call failed
gpg-agent[3990]: command get_passphrase failed: No pinentry
gpg: problem with the agent: No pinentry
gpg: Key generation canceled.