Inventor · disambiguated record
Thomas A. Crispin
Also filed as: CRISPIN THOMAS A
36 granted patents·373 citations·filing 2003–2015
97Inventor score
Top patents by PatentIndex Score
36 records- 0193US8255703B2Atomic hash instructionCRISPIN THOMAS A·Filed 2011·Granted Aug 28, 2012·18 cites·20 claims
- 0291US9967092B2Key expansion logic using decryption key primitivesVIA TECH INC·Filed 2015·Granted May 8, 2018·10 cites·21 claims
- 0388US9911008B2Microprocessor with on-the-fly switching of decryption keysVIA TECH INC·Filed 2015·Granted Mar 6, 2018·6 cites·15 claims
- 0486US9798898B2Microprocessor with secure execution mode and store key instructionsVIA TECH INC·Filed 2015·Granted Oct 24, 2017·5 cites·19 claims
- 0584US9892283B2Decryption of encrypted instructions using keys selected on basis of instruction fetch addressVIA TECH INC·Filed 2015·Granted Feb 13, 2018·4 cites·20 claims
- 0684US8719589B2Microprocessor that facilitates task switching between multiple encrypted programs having different associated decryption key valuesHENRY G GLENN·Filed 2011·Granted May 6, 2014·4 cites·29 claims
- 0784US7532722B2Apparatus and method for performing transparent block cipher cryptographic functionsIP FIRST LLC·Filed 2003·Granted May 12, 2009·40 cites·50 claims
- 0884US7502943B2Microprocessor apparatus and method for providing configurable cryptographic block cipher round resultsVIA TECH INC·Filed 2004·Granted Mar 10, 2009·38 cites·22 claims
- 0983US7925891B2Apparatus and method for employing cryptographic functions to generate a message digestVIA TECH INC·Filed 2005·Granted Apr 12, 2011·11 cites·37 claims
- 1083US7321910B2Microprocessor apparatus and method for performing block cipher cryptographic functionsIP FIRST LLC·Filed 2003·Granted Jan 22, 2008·36 cites·110 claims
- 1182US7539876B2Apparatus and method for generating a cryptographic key schedule in a microprocessorVIA TECH INC·Filed 2004·Granted May 26, 2009·36 cites·21 claims
- 1280US7844053B2Microprocessor apparatus and method for performing block cipher cryptographic functionsIP FIRST LLC·Filed 2003·Granted Nov 30, 2010·29 cites·50 claims
- 1378US8886960B2Microprocessor that facilitates task switching between encrypted and unencrypted programsVIA TECH INC·Filed 2013·Granted Nov 11, 2014·2 cites·18 claims
- 1478US7664810B2Microprocessor apparatus and method for modular exponentiationVIA TECH INC·Filed 2005·Granted Feb 16, 2010·9 cites·17 claims
- 1576US8639945B2Branch and switch key instruction in a microprocessor that fetches and decrypts encrypted instructionsHENRY G GLENN·Filed 2011·Granted Jan 28, 2014·2 cites·27 claims
- 1674US7921300B2Apparatus and method for secure hash algorithmVIA TECH INC·Filed 2004·Granted Apr 5, 2011·14 cites·41 claims
- 1774US7900055B2Microprocessor apparatus and method for employing configurable block cipher cryptographic algorithmsVIA TECH INC·Filed 2004·Granted Mar 1, 2011·19 cites·25 claims
- 1874US7536560B2Microprocessor apparatus and method for providing configurable cryptographic key sizeVIA TECH INC·Filed 2004·Granted May 19, 2009·19 cites·28 claims
- 1973US7529368B2Apparatus and method for performing transparent output feedback mode cryptographic functionsVIA TECH INC·Filed 2004·Granted May 5, 2009·17 cites·34 claims
- 2072US9461818B2Method for encrypting a program for subsequent execution by a microprocessor configured to decrypt and execute the encrypted programVIA TECH INC·Filed 2013·Granted Oct 4, 2016·1 cites·18 claims
- 2172US7392400B2Microprocessor apparatus and method for optimizing block cipher cryptographic functionsVIA TECH INC·Filed 2004·Granted Jun 24, 2008·16 cites·29 claims
- 2271US8645714B2Branch target address cache for predicting instruction decryption keys in a microprocessor that fetches and decrypts encrypted instructionsHENRY G GLENN·Filed 2011·Granted Feb 4, 2014·1 cites·20 claims
- 2371US8296345B2Microprocessor with selectively available random number generator based on self-test resultCRISPIN THOMAS A·Filed 2006·Granted Oct 23, 2012·3 cites·24 claims
- 2468US7165084B2Microprocessor with selectivity available random number generator based on self-test resultIP FIRST LLC·Filed 2003·Granted Jan 16, 2007·7 cites·36 claims
- 2561US8880902B2Microprocessor that securely decrypts and executes encrypted instructionsVIA TECH INC·Filed 2013·Granted Nov 4, 2014·0 cites·24 claims
- 2661US8850229B2Apparatus for generating a decryption key for use to decrypt a block of encrypted instruction data being fetched from an instruction cache in a microprocessorVIA TECH INC·Filed 2013·Granted Sep 30, 2014·0 cites·18 claims
- 2760US8060755B2Apparatus and method for providing user-generated key schedule in a microprocessor cryptographic engineHENRY G GLENN·Filed 2004·Granted Nov 15, 2011·7 cites·20 claims
- 2860US7519833B2Microprocessor apparatus and method for enabling configurable data block size in a cryptographic engineVIA TECH INC·Filed 2004·Granted Apr 14, 2009·6 cites·26 claims
- 2957US7542566B2Apparatus and method for performing transparent cipher block chaining mode cryptographic functionsVIA TECH INC·Filed 2004·Granted Jun 2, 2009·5 cites·30 claims
- 3057US7139785B2Apparatus and method for reducing sequential bit correlation in a random number generatorIP FIRST LLC·Filed 2003·Granted Nov 21, 2006·5 cites·19 claims
- 3156US8700919B2Switch key instruction in a microprocessor that fetches and decrypts encrypted instructionsHENRY G GLENN·Filed 2011·Granted Apr 15, 2014·0 cites·20 claims
- 3256US8683225B2Microprocessor that facilitates task switching between encrypted and unencrypted programsHENRY G GLENN·Filed 2011·Granted Mar 25, 2014·0 cites·10 claims
- 3356US8671285B2Microprocessor that fetches and decrypts encrypted instructions in same time as plain text instructionsHENRY G GLENN·Filed 2011·Granted Mar 11, 2014·0 cites·22 claims
- 3456US7529367B2Apparatus and method for performing transparent cipher feedback mode cryptographic functionsVIA TECH INC·Filed 2004·Granted May 5, 2009·3 cites·30 claims
- 3551US8132022B2Apparatus and method for employing configurable hash algorithmsCRISPIN THOMAS A·Filed 2010·Granted Mar 6, 2012·0 cites·20 claims
- 3650US8132023B2Apparatus and method for performing transparent hash functionsCRISPIN THOMAS A·Filed 2010·Granted Mar 6, 2012·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →