8cfede8f2e
DTLS Connection Identifier support requires DTLS stack that supports it. MbedTLS support in Zephyr is already ported in, also some offloaded sockets support it. Signed-off-by: Seppo Takalo <seppo.takalo@nordicsemi.no>
34 lines
995 B
Plaintext
34 lines
995 B
Plaintext
# Enable DTLS with Connection Identifier
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CONFIG_LWM2M_DTLS_SUPPORT=y
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CONFIG_LWM2M_DTLS_CID=y
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CONFIG_LWM2M_PEER_PORT=5684
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# Select Zephyr mbedtls
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CONFIG_MBEDTLS=y
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CONFIG_MBEDTLS_TLS_VERSION_1_2=y
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CONFIG_MBEDTLS_SSL_DTLS_CONNECTION_ID=y
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# Special MbedTLS changes
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CONFIG_MBEDTLS_ENABLE_HEAP=y
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CONFIG_MBEDTLS_HEAP_SIZE=8192
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CONFIG_MBEDTLS_SSL_MAX_CONTENT_LEN=1500
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CONFIG_MBEDTLS_CIPHER_CCM_ENABLED=y
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# Disable RSA, we don't parse certs: saves flash/memory
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CONFIG_MBEDTLS_KEY_EXCHANGE_RSA_ENABLED=n
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# Enable PSK instead
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CONFIG_MBEDTLS_KEY_EXCHANGE_PSK_ENABLED=y
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CONFIG_NET_SOCKETS_SOCKOPT_TLS=y
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CONFIG_NET_SOCKETS_TLS_MAX_CONTEXTS=4
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CONFIG_NET_SOCKETS_ENABLE_DTLS=y
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# MbedTLS needs a larger stack
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CONFIG_MAIN_STACK_SIZE=2048
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CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE=2048
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# This has to be match length of LWM2M_APP_ID and if LWM2M_APP_ID is empty,
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# then this has to be match length of CONFIG_BOARD. Default 16 is not enough
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# for some boards, so, increase it to 32.
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CONFIG_LWM2M_SECURITY_KEY_SIZE=32
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