EUICC Sign

Sign a message with the eUICC, then validate the Base64 payload and cert chain.

SM-DP+ Address

Message To Sign

TAC (uint32)

0–4294967295

IMEI High (uint32)

0–4294967295

IMEI Low (uint32)

0–4294967295

Signed Payload (Base64 DER)

Idle

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