[strongSwan] AES_CCM_16 not supported error

[prasobh.s25 at wipro.com]

Dear All,

I am getting following error while trying aes128ccm128 encryption algorithm on strongswan version 5.0.0

Received proposals: IKE: AES_CCM_16_128/PRF_HMAC_SHA1/MODP_768
Configured proposals: IKE:AES_CCM_16_128/3DES_CBC/HMAC_SHA1_96/HMAC_SHA2_512_256/ PRF_HMAC_SHA1/MODP_768
Selected proposals: IKE:AES_CCM_16_128/ PRF_HMAC_SHA1/MODP_768
Shared Diffie Hellman secret => 96 bytes @ 0xae401448
SKEYSEED => 20 bytes @ 0xae400cf0
Sk_d Secret => 20 bytes @ 0xae400cf0
ENCRYPTION_ALGORITHM AES_CCM_16 (key size 16) not supported!
Key derivation failed


Can anyone help to find out what could be the issue ?

Thanks and Regards,
Prasobh
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