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imx6ul, u-boot CAAM blob_encap() fails

Question asked by Angelo Dureghello on May 19, 2019
Latest reply on May 23, 2019 by Angelo Dureghello

Hi all,

porting some imx6sx crypto-related code to imx6ul, but the blob encapsulation function (blob_encap(), drivers/crypto/fsl/fsl_blob.c) seems not working.

As function parameters, i am passing the buffer with a key to encapsulate, but the blob output buffer remains untouched, all 0. Like the CAAM module is not performing any action. Hope someone can provide some help on this.