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- CAAM supports two types of protected keys: -- Plain key encrypted with ECB -- Plain key encrypted with CCM Due to robustness, default encryption used for protected key is CCM. - Generate protected key blob and add it to trusted key payload. This is done as part of sealing operation, which is triggered when below two operations are requested: -- new key generation -- load key, Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com> Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>