fix(sdk-lib-mpc): throw in Dsg.endSession() when signature exists#8497
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zahin-mohammad merged 1 commit intomasterfrom Apr 17, 2026
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fix(sdk-lib-mpc): throw in Dsg.endSession() when signature exists#8497zahin-mohammad merged 1 commit intomasterfrom
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zahin-mohammad
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pranavjain97
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Without the throw, endSession() silently reset dsgState to Uninitialized after signing, allowing init() to succeed again and enabling inadvertent session reuse on the same key share. Ticket: WAL-383
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Summary
Dsg.endSession()atdsg.ts:167was constructingnew Error(...)withoutthrow, silently resettingdsgStatetoUninitializedafter signinginit()call would succeed, enabling inadvertent session reuse on the same key sharethrowto the existingnew Error(...)callTest plan
endSession()throws when signature is already producedTicket: WAL-383
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