Format of USER Certs for Matter factory data

[BilalAliAhmad]

What should be format of  USER Certs for Matter factory data? 

CONFIG_CHIP_FACTORY_DATA_CERT_SOURCE_USER=y

CONFIG_CHIP_FACTORY_DATA_USER_CERTS_DAC_CERT="certs/Chip-DAC-Cert.pem"

CONFIG_CHIP_FACTORY_DATA_USER_CERTS_DAC_KEY="certs/Chip-DAC-Key.pem"

CONFIG_CHIP_FACTORY_DATA_USER_CERTS_PAI_CERT="certs/Chip-PAI-Cert.pem"

[BilalAliAhmad]

I provided like this 

CONFIG_CHIP_FACTORY_DATA_CERT_SOURCE_USER=y

CONFIG_CHIP_FACTORY_DATA_USER_CERTS_DAC_CERT="C:/door-lockr/certs/Chip-DAC-Cert.pem"

CONFIG_CHIP_FACTORY_DATA_USER_CERTS_DAC_KEY="C:/door-lock/certs/Chip-DAC-Key.pem"

CONFIG_CHIP_FACTORY_DATA_USER_CERTS_PAI_CERT="C:/door-lock/certs/Chip-PAI-Cert.pem"

but getting this error: