Patent ID: 9426150
Filing Date: 2016-08-23
CPC Classification: G06F,H04L

Claim Text:
1. A method, comprising: receiving, at a server of third party biometric authenticator, a biometric authentication request sent from a device associated with a first party to a transaction, the first party requesting biometric authentication of a second party to the transaction; retrieving, by the server, speech data representing a prior conversation between the first party and the second party; randomly selecting, by the server, a portion of the speech data representing a randomly selected phrase that was previously spoken by the second party during the prior conversation; comparing, by the server, the portion of the speech data to a threshold value; storing, in a memory accessible to the server, a repository of biometric templates, the repository of biometric templates associating biometric templates to different identities; querying, by the server, the repository of biometric templates for an identity claimed by the second party to the transaction; retrieving, by the server, a biometric template associated with the identity claimed by the second party to the transaction; comparing, by the server, the portion of the speech data representing the randomly selected phrase that was previously spoken to the biometric template associated with the identity claimed by the second party to the transaction; determining, by the server, the randomly selected phrase that was previously spoken satisfies the biometric template associated with the identity claimed by the second party to the transaction; and sending, by the server, an authentication response to an address associated with the device, the authentication response confirming the biometric authentication of the second party to the transaction.