Systems and methods for biometric electronic signature agreement and intention

Abstract

A method comprises receiving, by a computing system from a signing party, a signing party identifier and a token. The token includes an encrypted biometric sample encrypted using an encryption key and an encrypted record of an electronic agreement encrypted using the encryption key, the encrypted record cryptographically bound with the encrypted biometric sample. The method further includes receiving, by the computing system from the signing party, a message and determining, based on the message, that the signing party is rescinding the electronic agreement. The computing system then retrieves a stored knowledge factor associated with the signing party identifier, generates a decryption key using the stored knowledge factor as an input to a password authenticated key exchange protocol, decrypts the encrypted biometric sample from the token using the decryption key to retrieve a biometric sample, and transmits the biometric sample to the signing party.

What is claimed is: 
     
         1 . A computing system comprising one or more processors configured to:
 receive, from a signing party, a rescinding message;   determine, based on the rescinding message, that the signing party is rescinding an electronic agreement associated with a token, the token comprising an encrypted biometric sample;   in response to receiving a rescind message indicating that the signing party is rescinding the electronic agreement, decrypt the encrypted biometric sample from the token to retrieve a decrypted biometric sample, the decrypted biometric sample comprising one or more biometric representations of at least one of:
 the signing party's approval of the electronic agreement; or 
 the signing party's intent to approve the electronic agreement; and 
   transmit the decrypted biometric sample to a device.   
     
     
         2 . The computing system of  claim 1 , wherein the device is operated by at least one of the signing party or a contract enforcing party. 
     
     
         3 . The computing system of  claim 1 , wherein the token further comprises an encrypted record of the electronic agreement encrypted using an encryption key. 
     
     
         4 . The computing system of  claim 1 , wherein the token further comprises a hash of a record of the electronic agreement, the hash encrypted with the encryption key to cryptographically bind the hash of the record with the decrypted biometric sample. 
     
     
         5 . The computing system of  claim 4 , wherein the record is stored at a storage location identified by a storage location identifier, the token further comprising the storage location identifier encrypted with the encryption key to cryptographically bind the storage location identifier to the decrypted biometric sample. 
     
     
         6 . The computing system of  claim 5 , wherein the storage location identifier comprises a uniform resource identifier identifying a uniform resource locator where the record is stored. 
     
     
         7 . The computing system of  claim 6 , where in the uniform resource identifier comprises an evidence event log that records details of the electronic agreement. 
     
     
         8 . A method, comprising:
 receiving, from a signing party, a rescinding message;   determining, based on the rescinding message, that the signing party is rescinding an electronic agreement associated with a token, the token comprising an encrypted biometric sample;   in response to receiving a rescind message indicating that the signing party is rescinding the electronic agreement, decrypting the encrypted biometric sample from the token to retrieve a decrypted biometric sample, the decrypted biometric sample comprising one or more biometric representations of at least one of:   the signing party's approval of the electronic agreement; or   the signing party's intent to approve the electronic agreement; and   transmit the decrypted biometric sample to a device.   
     
     
         9 . The method of  claim 8 , wherein the device is operated by at least one of the signing party or a contract enforcing party. 
     
     
         10 . The method of  claim 8 , wherein the token further comprises an encrypted record of the electronic agreement encrypted using an encryption key. 
     
     
         11 . The method of  claim 8 , wherein the token further comprises a hash of a record of the electronic agreement, the hash encrypted with the encryption key to cryptographically bind the hash of the record with the decrypted biometric sample. 
     
     
         12 . The method of  claim 11 , wherein the record is stored at a storage location identified by a storage location identifier, the token further comprising the storage location identifier encrypted with the encryption key to cryptographically bind the storage location identifier to the decrypted biometric sample. 
     
     
         13 . The method of  claim 12 , wherein the storage location identifier comprises a uniform resource identifier identifying a uniform resource locator where the record is stored. 
     
     
         14 . The method of  claim 13 , where in the uniform resource identifier comprises an evidence event log that records details of the electronic agreement. 
     
     
         15 . A non-transitory computer-readable medium comprising computer-readable instructions, such that, when executed, causes a computer to:
 receive, from a signing party, a rescinding message;   determine, based on the rescinding message, that the signing party is rescinding an electronic agreement associated with a token, the token comprising an encrypted biometric sample;   in response to receiving a rescind message indicating that the signing party is rescinding the electronic agreement, decrypt the encrypted biometric sample from the token to retrieve a decrypted biometric sample, the decrypted biometric sample comprising one or more biometric representations of at least one of:   
       the signing party's approval of the electronic agreement; or 
       the signing party's intent to approve the electronic agreement; and
 transmit the decrypted biometric sample to a device. 
 
     
     
         16 . The non-transitory computer-readable medium of  claim 15 , wherein the device is operated by at least one of the signing party or a contract enforcing party. 
     
     
         17 . The non-transitory computer-readable medium of  claim 15 , wherein the token further comprises an encrypted record of the electronic agreement encrypted using an encryption key. 
     
     
         18 . The non-transitory computer-readable medium of  claim 15 , wherein the token further comprises a hash of a record of the electronic agreement, the hash encrypted with the encryption key to cryptographically bind the hash of the record with the decrypted biometric sample. 
     
     
         19 . The non-transitory computer-readable medium of  claim 18 , wherein the record is stored at a storage location identified by a storage location identifier, the token further comprising the storage location identifier encrypted with the encryption key to cryptographically bind the storage location identifier to the decrypted biometric sample. 
     
     
         20 . The non-transitory computer-readable medium of  claim 19 , wherein the storage location identifier comprises a uniform resource identifier identifying a uniform resource locator where the record is stored.