Source: http://www.google.es/patents/US7792287?dq=flatulence
Timestamp: 2013-05-23 14:13:00
Document Index: 47636429

Matched Legal Cases: ['application No. 99937153', 'application No. 00935973', 'art 2', 'art 3', 'art 3', 'application No. 99937153', 'art 3']

Patente US7792287 - Leak-resistant cryptographic payment smartcard - Google PatentesB�squeda Im�genes Maps Play YouTube Noticias Gmail Drive M�s » B�squeda avanzada de patentes | Historial web | Iniciar sesi�n B�squeda avanzada de patentesPatentesWe disclose methods and apparatuses for securing cryptographic devices against attacks involving external monitoring and analysis. A �self-healing� property is introduced, enabling security to be continually re-established following partial compromises. In addition to producing useful cryptographic...http://www.google.es/patents/US7792287?utm_source=gb-gplus-sharePatente US7792287 - Leak-resistant cryptographic payment smartcard N�mero de publicaci�nUS7792287 B2Tipo de publicaci�nConcesi�n N�mero de solicitud11/981,495 Fecha de publicaci�n7 Sep 2010 Fecha de presentaci�n30 Oct 2007 Fecha de prioridad2 Ene 1998Tambi�n publicado comoCA2316227A1CA2316227CEP1050133A1EP1050133A4EP1050133B1EP1050133B2US6304658US6381699US7506165US20010002486US20030028771US20080104400WO1999035782A1 InventoresPaul C. KocherJoshua M. Jaffe Cesionario originalCryptography Research, Inc. Clasificaci�n de EE.UU.380/28713/194380/30 Clasificaci�n internacionalH04L9/08H04L9/10G06F7/72H04L9/32G06F21/00H04L9/30 Clasificaci�n cooperativaH04L9/302G06F7/723G06Q20/367H04L63/1441G06F2207/7257G06F2207/7219H04L9/0841H04L9/0891G06F21/556H04L9/3013G06Q20/401G06F21/558H04L9/3247G06F21/602 Clasificaci�n europeaH04L9/30B2G06F7/72EH04L9/32SH04L63/14DH04L9/32H04L9/08TH04L9/30B4G06F21/60AG06F21/55C2G06F21/55CH04L9/08F4BG06Q20/401G06Q20/367ReferenciasCitas de patentes (99)Otras citas (125)Enlaces externosUSPTO Cesi�n de USPTO EspacenetLeak-resistant cryptographic payment smartcardUS 7792287 B2 Resumen We disclose methods and apparatuses for securing cryptographic devices against attacks involving external monitoring and analysis. A �self-healing� property is introduced, enabling security to be continually re-established following partial compromises. In addition to producing useful cryptographic results, a typical leak-resistant cryptographic operation modifies or updates secret key material in a manner designed to render useless any information about the secrets that may have previously leaked from the system. Exemplary leak-proof and leak-resistant implementations are shown for symmetric authentication, certified Diffie-Hellman (when either one or both users have certificates), RSA, ElGamal public key decryption.
6. The method of claim 1 where said multiplicand is congruent modulo q to an inverse of said first modulus. Descripci�n
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