# \#srp

**URL:** https://forums.digi.com/tag/srp/3921.md

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## [Unable to authenticate always getting 0x81 bad proof key](https://forums.digi.com/t/unable-to-authenticate-always-getting-0x81-bad-proof-key/37876)

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**Author:** [@sahabe02](https://forums.digi.com/u/sahabe02)\
**Replies:** 1\
**Last updated:** [September 26, 2025, 10:51am UTC](https://forums.digi.com/t/unable-to-authenticate-always-getting-0x81-bad-proof-key/37876 "2025-09-26T10:51:17Z")

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Hi, I’m working with a Digi XBee BLE module and developing an iOS app to communicate with it. However, whenever I attempt authentication, I keep receiving the 0x81 error. Please help me resolve this issue This is my SR…

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## [BLE Unlock API - SRP error: 0x82 Bad proof of key](https://forums.digi.com/t/ble-unlock-api-srp-error-0x82-bad-proof-of-key/28083)

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**Author:** [@Armiks](https://forums.digi.com/u/Armiks)\
**Replies:** 2\
**Last updated:** [October 30, 2023, 12:38pm UTC](https://forums.digi.com/t/ble-unlock-api-srp-error-0x82-bad-proof-of-key/28083 "2023-10-30T12:38:49Z")

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Hi to all of you again. I am having a problem unlocking my BLE. I will describe step by step what I am performing: Bluetooth password: password = "armiks" username = "apiservice" Salt from XCTU: s = "6fc39e80" Ve…

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## [Secure Remote Password Protocol](https://forums.digi.com/t/secure-remote-password-protocol/22942)

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**Author:** [@psmale](https://forums.digi.com/u/psmale)\
**Replies:** 2\
**Last updated:** [February 12, 2022, 10:13am UTC](https://forums.digi.com/t/secure-remote-password-protocol/22942 "2022-02-12T10:13:23Z")

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Secure Remote Password protocol that the xbee3 uses for the bluetooth authentication, how it gets computed in xctu? With a basic password of “hello” the advanced configuration is: Salt:0754A93E Verifier:E2DDEEA9A4C6B3D…

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## [Can we use BLE in digi xbee without security protocol (secure remote protocol)?](https://forums.digi.com/t/can-we-use-ble-in-digi-xbee-without-security-protocol-secure-remote-protocol/22238)

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**Author:** [@Manel\_LOUATI](https://forums.digi.com/u/Manel_LOUATI)\
**Replies:** 1\
**Last updated:** [February 26, 2021, 12:13pm UTC](https://forums.digi.com/t/can-we-use-ble-in-digi-xbee-without-security-protocol-secure-remote-protocol/22238 "2021-02-26T12:13:16Z")

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## [How can I connect XBEE to a smartphone using BLE](https://forums.digi.com/t/how-can-i-connect-xbee-to-a-smartphone-using-ble/20950)

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**Author:** [@noktak](https://forums.digi.com/u/noktak)\
**Replies:** 2\
**Last updated:** [January 28, 2020, 8:33am UTC](https://forums.digi.com/t/how-can-i-connect-xbee-to-a-smartphone-using-ble/20950 "2020-01-28T08:33:16Z")

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I want to connect smartphone and XBEE with BLE. But SRP protocol is too difficult to understand. Is there a way to easily authenticate with SRP? Digi’s official smartphone app can connect, so there should be some way …

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## [Xbee3 BLE support](https://forums.digi.com/t/xbee3-ble-support/20070)

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**Author:** [@mbates14](https://forums.digi.com/u/mbates14)\
**Replies:** 2\
**Last updated:** [January 24, 2019, 11:49am UTC](https://forums.digi.com/t/xbee3-ble-support/20070 "2019-01-24T11:49:51Z")

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So I purchased the Xbee3 PRO Zigbee once I heard the news in my email about BLE support being announced and released, so I got the latest firmware and flashed it. it now shows BLE support. But that’s where the problems …