This knowledge article describes the calculation of PASSWORD_CLAIM_SIGNATURE
for the case of ChallengeName: "DEVICE_PASSWORD_VERIFIER"
.
- Let PASSWORD_CLAIM_SIGNATURE = SHA256_HMAC(K_USER, DeviceGroupKey + DeviceKey + PASSWORD_CLAIM_SECRET_BLOCK + TIMESTAMP), base64-encoded
- Let K_USER = SHA256_HASH(S_USER)
- Let S_USER = (SRP_B - k * gx)(a + ux)
- Let x = SHA256_HASH(salt + FULL_PASSWORD)
- Let u = SHA256_HASH(SRP_A + SRP_B)
- Let k = SHA256_HASH(N + g)
What is the equivalent calculation of PASSWORD_CLAIM_SIGNATURE
for the case of ChallengeName: "PASSWORD_VERIFIER"
?