Use of RSA keys in Gnupg

[Stark, Roman]

I am trying to use RSA keys in gpg but without success. 
I created an RSA key pair in PGP, exported both keys and imported both to
gpg. The result of the import is:

gpg: Warning: using insecure memory!
gpg: key F4497081: secret key imported
gpg: key F4497081: public key imported
gpg: key F4497081: secret and public key don't match
gpg: Total number processed: 2
gpg:               imported: 1  (RSA: 1)
gpg:       secret keys read: 1
gpg:   secret keys imported: 1

The message that secret and public key don't match was worrying. Anyway I
encrypted a file using this RSA key which worked fine but when I tried to
decrypted it I get the following:
Ok ignore the insecure memory mgs. We heard enough about it... 

gpg: Warning: using insecure memory!
gpg: protection algorithm 1 is not supported
gpg: encrypted with 1024-bit RSA key, ID F4497081, created 2000-10-18
      "roman stark <starkr@indiana.edu>"
gpg: public key decryption failed: unknown cipher algorithm
gpg: decryption failed: secret key not available

However, using PGP to decrypt the file, which was encrypted with GPG work
just fine.  Does anybody have any ideas as to why the decryption does not
work?

Thanks
Roman

UNIVERSITY INFORMATION TECHNOLOGY SERVICES
Roman Stark
400 E. 7th Street
Poplars 158
Bloomington, IN 47405
phone: (812) 855-0428
email: starkr@indiana.edu

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