Dr Colin Walter

  1. 2015
  2. Published

    Business risks of software vulnerabilities: Four sources of risk are relevant for evaluating the influence of software vulnerabilities on businesses

    Kramer, H. & Walter, C., Mar 2015, Computer Weekly, p. 1-11 11 p.

    Research output: Contribution to non-peer-reviewed publicationInternet publication

  3. 2013
  4. Published

    An Overview of PIC Microcontrollers and Their Suitability for Cryptographic Algorithms

    Msgna, M. & Walter, C., 13 Sep 2013, Secure Smart Embedded Devices, Platforms and Applications. Markantonakis, K. & Mayes, K. (eds.). Springer, p. 475-495 20 p.

    Research output: Chapter in Book/Report/Conference proceedingChapter

  5. Published

    An NFC based consumer-level counterfeit detection framework

    Saeed, Q., Walter, C. & Bilal, Z., 2013, The 11th International Conference on Privacy, Security and Trust (PST 2013). IEEE, p. 135-142

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  6. 2012
  7. Published

    An Attack on Signed NFC Records and Some Necessary Revisions of NFC Specifications

    Saeed, Q. & Walter, C., Mar 2012, In: International Journal for Information Security Research. 2, 1/2, p. 325-334

    Research output: Contribution to journalArticlepeer-review

  8. Published

    A Duality in Space Usage between Left-to-Right and Right-to-Left Exponentiation

    Walter, C. D., 2012, CT-RSA. Dunkelman, O. (ed.). Springer, Vol. 7178. p. 84-97 (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  9. Published

    Off-line NFC Tag Authentication

    Saeed, Q. & Walter, C., 2012, p. 730-735.

    Research output: Contribution to conferencePaperpeer-review

  10. 2011
  11. Published

    A Record Composition/Decomposition Attack on the NDEF Signature Record Type Definition

    Saeed, M. Q. & Walter, C. D., 2011, 6th Internat. Conf. for Internet Technology and Secured Transactions (ICITST-2011). p. 283 - 287

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  12. Published

    Fast Scalar Multiplication for ECC over GF(it p) using Division Chains

    Walter, C. D., 2011, WISA 2010. Chung, Y. & Yung, M. (eds.). Springer, Vol. 6513. p. 61-75 15 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  13. Published

    Modular Arithmetic

    Contini, S., Koç, Ç. K. & Walter, C. D., 2011, Encyclopedia of Cryptography and Security (2nd Ed.). Tilborg, H. C. A. V. & Jajodia, S. (eds.). Springer, p. 795-798 4 p.

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  14. 2009
  15. Published

    Optimal Recovery of Secret Keys from Weak Side Channel Traces

    Schindler, W. & Walter, C. D., 2009, 12th IMA Int. Conf. on Cryptography and Coding. Parker, M. G. (ed.). Springer, Vol. 5921. p. 446-468 23 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  16. 2008
  17. Published

    Leakage from Montgomery Multiplication

    Walter, C. D., 2008, Cryptographic Engineering. Koç, Ç. (ed.). Springer, p. 431-449 19 p.

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  18. Published

    Longer Randomly Blinded RSA Keys may be Weaker than Shorter Ones

    Walter, C. D., 2008, WISA 2007. Kim, S., Yung, M. & Lee, H-W. (eds.). Springer, Vol. 4867. p. 303-316 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  19. Published

    Randomised Exponentiation Algorithms

    Walter, C. D., 2008, Cryptographic Engineering. Koç, Ç. (ed.). Springer, p. 451-473 23 p.

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  20. Published

    Recovering Secret Keys from Weak Side Channel Traces of Differing Lengths

    Walter, C. D., 2008, CHES 2008. Oswald, E. & Rohatgi, P. (eds.). Springer, Vol. 5154. p. 214-227 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  21. 2005
  22. Published

    Data Dependent Power Use in Multipliers

    Walter, C. D. & Samyde, D., 2005, 17th IEEE Symposium on Computer Arithmetic. IEEE Computer Society Press, p. 4-12 9 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  23. Published

    Modular Arithmetic

    Contini, S., Koç, Ç. K. & Walter, C. D., 2005, Encyclopedia of Cryptography and Security. Tilborg, H. C. A. V. (ed.). Springer

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  24. Published

    Montgomery Arithmetic

    Koç, Ç. K. & Walter, C. D., 2005, Encyclopedia of Cryptography and Security. Tilborg, H. C. A. V. (ed.). Springer

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  25. 2004
  26. Published

    Issues of Security with the Oswald-Aigner Exponentiation Algorithm

    Walter, C. D., 2004, CT-RSA 2004. Okamoto, T. (ed.). Springer, Vol. 2964. p. 208-221 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  27. Published

    Simple Power Analysis of Unified Code for ECC Double and Add

    Walter, C. D., 2004, CHES 2004. Joye, M. & Quisquater, J-J. (eds.). Springer, Vol. 3156. p. 191-204 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  28. 2003
  29. Published
  30. Published

    Fast Fourier Transforms using the Complex Logarithmic Number System

    Arnold, M. G., Bailey, T. A., Cowles, J. R. & Walter, C. D., 2003, In: VLSI Signal Processing. 33, 3, p. 325-335 11 p.

    Research output: Contribution to journalArticlepeer-review

  31. Published

    Longer Keys May Facilitate Side Channel Attacks

    Walter, C. D., 2003, Selected Areas in Cryptography. Matsui, M. & Zuccherato, R. J. (eds.). Springer, Vol. 3006. p. 42-57 16 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  32. Published

    More Detail for a Combined Timing and Power Attack against Implementations of RSA

    Schindler, W. & Walter, C. D., 2003, 9th IMA Int. Conf. on Cryptography and Coding. Paterson, K. G. (ed.). Springer, Vol. 2898. p. 245-263 19 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  33. Published

    Security Constraints on the Oswald-Aigner Exponentiation Algorithm

    Walter, C. D., 2003, In: IACR Cryptology ePrint Archive. 2003, p. 13 1 p.

    Research output: Contribution to journalArticlepeer-review

  34. Published

    Seeing through MIST Given a Small Fraction of an RSA Private Key

    Walter, C. D., 2003, CT-RSA 2003. Joye, M. (ed.). Springer, Vol. 2612. p. 391-402 12 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  35. Published

    Some Security Aspects of the MIST Randomized Exponentiation Algorithm

    Walter, C. D., 2003, CHES 2002. Jr., B. S. K., Koç, Ç. K. & Paar, C. (eds.). Springer, Vol. 2523. p. 276-290 15 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  36. 2002
  37. Published

    Breaking the Liardet-Smart Randomized Exponentiation Algorithm

    Walter, C. D., 2002, CARDIS '02. USENIX, p. 59-68 10 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  38. Published

    MIST: An Efficient, Randomized Exponentiation Algorithm for Resisting Power Analysis

    Walter, C. D., 2002, CT-RSA 2002. Preneel, B. (ed.). Springer, Vol. 2271. p. 53-66 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  39. Published

    Precise Bounds for Montgomery Modular Multiplication and some Potentially Insecure RSA Moduli

    Walter, C. D., 2002, CT-RSA 2002. Preneel, B. (ed.). Springer, Vol. 2271. p. 30-39 10 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  40. 2001
  41. Published

    Distinguishing Exponent Digits by Observing Modular Subtractions

    Walter, C. D. & Thompson, S., 2001, CT-RSA 2001. Naccache, D. (ed.). Springer, Vol. 2020. p. 192-207 16 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  42. Published

    Sliding Windows Succumbs to Big Mac Attack

    Walter, C. D., 2001, CHES 2001. Koç, Ç. K., Naccache, D. & Paar, C. (eds.). Springer, Vol. 2162. p. 286-299 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  43. Published

    Unrestricted Faithful Rounding is Good Enough for Some LNS Applications

    Arnold, M. G. & Walter, C. D., 2001, 15th IEEE Symposium on Computer Arithmetic. IEEE Computer Society Press, p. 237-246 10 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  44. 2000
  45. Published

    Improved Linear Systolic Array for Fast Modular Exponentiation

    Walter, C. D., 1 Sep 2000, In: IEE Proc. Computers and Digital Techniques. 147, 5, p. 323-328 6 p.

    Research output: Contribution to journalArticlepeer-review

  46. Published

    Data Integrity in Hardware for Modular Arithmetic

    Walter, C. D., 2000, CHES 2000. Koç, Ç. K. & Paar, C. (eds.). Springer, Vol. 1965. p. 204-215 12 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  47. 1999
  48. Published

    Montgomery Exponentiation Needs No Final Subtractions

    Walter, C. D., 1 Oct 1999, In: Electronics Letters. 35, 21, p. 1831-1832 2 p.

    Research output: Contribution to journalArticlepeer-review

  49. Published

    Efficient Automata-Driven Pattern-Matching for Equational Programs

    Nedjah, N., Walter, C. D. & Eldridge, S. E., 1999, In: Softw., Pract. Exper.. 29, 9, p. 793-813 21 p.

    Research output: Contribution to journalArticlepeer-review

  50. Published

    Moduli for Testing Implementations of the RSA Cryptosystem

    Walter, C. D., 1999, 14th IEEE Symposium on Computer Arithmetic. IEEE Computer Society Press, p. 78-85 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  51. Published

    Montgomery's Multiplication Technique: How to Make It Smaller and Faster

    Walter, C. D., 1999, CHES '99. Koç, Ç. K. & Paar, C. (eds.). Springer, Vol. 1717. p. 80-93 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  52. 1998
  53. Published

    Techniques for the Hardware Implementation of Modular Multiplication

    Walter, C. D., 1 Oct 1998, Proc. 2nd IMACS Internat. Conf. on Circuits, Systems Computers. Vol. 2. p. 945-949 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  54. Published

    Exponentiation Using Division Chains

    Walter, C. D., 1998, In: IEEE Transactions on Computers. 47, 7, p. 757-765 9 p.

    Research output: Contribution to journalArticlepeer-review

  55. Published

    Techniques for the Hardware Implementation of Modular Multiplication

    Walter, C. D., 1998, Recent Advances in Information Science and Technology. Mastorakis, N. (ed.). World Scientific, p. 157-161 5 p.

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  56. 1997
  57. Published

    Analysis of Delays in Converting from a Redundant Representation

    Walter, C. D., 1 Jul 1997, In: IEE Proc. Computers and Digital Techniques. 144, 4, p. 219-221 3 p.

    Research output: Contribution to journalArticlepeer-review

  58. Published

    Exponentiation using Division Chains

    Walter, C. D., 1997, 13th IEEE Symposium on Computer Arithmetic. IEEE Computer Society Press, p. 92-97 6 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  59. Published

    Optimal Left-to-Right Pattern-Matching Automata

    Nedjah, N., Walter, C. D. & Eldridge, S. E., 1997, ALP '97 - HOA '97. Hanus, M., Heering, J. & Meinke, K. (eds.). Springer, Vol. 1298. p. 273-286 14 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  60. Published

    Space/Time Trade-Offs for Higher Radix Modular Multiplication using Repeated Addition

    Walter, C. D., 1997, In: IEEE Transactions on Computers. 46, 2, p. 139-141 3 p.

    Research output: Contribution to journalArticlepeer-review

  61. 1995
  62. Published

    Optimal Parameters for Fully On-Line Arithmetic

    Walter, C. D., 1995, In: International J. of Computer Mathematics. 56, p. 11-18 8 p.

    Research output: Contribution to journalArticlepeer-review

  63. Published

    Still Faster Modular Multiplication

    Walter, C. D., 1995, In: Electronics Letters. 31, 4, p. 263-264 2 p.

    Research output: Contribution to journalArticlepeer-review

  64. Published

    Verification of Hardware combining Multiplication, Division Square Root

    Walter, C. D., 1995, In: Microprocessors and Microsystems. 19, p. 243-245 3 p.

    Research output: Contribution to journalArticlepeer-review

  65. 1994
  66. Published

    Improving Average Delay for On-Line Algorithms

    Walter, C. D., 1994, In: Electronics Letters. 30, 23, p. 1925-6 1 p.

    Research output: Contribution to journalArticlepeer-review

  67. Published

    Logarithmic Speed Modular Multiplication

    Walter, C. D., 1994, In: Electronics Letters. 30, 17, p. 1397-1398 2 p.

    Research output: Contribution to journalArticlepeer-review

  68. 1993
  69. Published

    Hardware Implementation of Montgomery's Modular Multiplication Algorithm

    Eldridge, S. E. & Walter, C. D., 1993, In: IEEE Transactions on Computers. 42, 6, p. 693-699 7 p.

    Research output: Contribution to journalArticlepeer-review

  70. Published

    Systolic Modular Multiplication

    Walter, C. D., 1993, In: IEEE Transactions on Computers. 42, 3, p. 376-378 3 p.

    Research output: Contribution to journalArticlepeer-review

  71. 1992
  72. Published

    Faster Modular Multiplication by Operand Scaling

    Walter, C. D., 1992, CRYPTO '91. Feigenbaum, J. (ed.). Springer, Vol. 576. p. 313-323 11 p. (Lecture Notes in Computer Science).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  73. 1991
  74. Published

    Fast Modular Multiplication using 2-Power Radix

    Walter, C. D., 1991, In: International J. of Computer Mathematics. 3, p. 21-28 8 p.

    Research output: Contribution to journalArticlepeer-review

  75. Published

    Formal Methods

    Walter, C. D., 1991, Concise Encyclopedia of Software Engineering. Morris, D. & Tamm, B. (eds.). Pergamon Press, p. 135-138 4 p.

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  76. Published

    Formal Specification and Verification of Software

    Walter, C. D. & Eldridge, S. E., 1991, Concise Encyclopedia of Software Engineering. Morris, D. & Tamm, B. (eds.). Pergamon Press, p. 331-338 8 p.

    Research output: Chapter in Book/Report/Conference proceedingOther contribution

  77. 1990
  78. Published

    A Verification of Brickell's Fast Modular Multiplication Algorithm

    Walter, C. D. & Eldridge, S. E., 1990, In: Internat. J. of Computer Maths. 33, p. 153-169 17 p.

    Research output: Contribution to journalArticlepeer-review

  79. 1986
  80. Published

    A First Course in Formal Logic and its Applications in Computer Science

    Dowsing, R., Rayward-Smith, V. J. & Walter, C. D., 1986, Blackwell Scientific Publications, Oxford.

    Research output: Book/ReportBook

  81. Published

    Adjacency Matrices

    Walter, C. D., 1986, In: SIAM Journal on Algebraic and Discrete Methods. 7, p. 18-29 12 p.

    Research output: Contribution to journalArticlepeer-review

  82. 1983
  83. Published

    Intersection numbers for coherent configurations and the spectrum of a graph

    Walter, C. D., 1983, In: Journal of Combinatorial Theory, Series B. 35, 2, p. 201-204 4 p.

    Research output: Contribution to journalArticlepeer-review

  84. 1980
  85. Published

    Pure fields of degree 9 with class number prime to 3

    Walter, C. D., 1980, In: Annales de l'Institut Fourier, Grenoble. 30, p. 1-16 16 p.

    Research output: Contribution to journalArticlepeer-review

  86. 1979
  87. Published

    Brauer's class number relation

    Walter, C. D., 1979, In: Acta Arithmetica. 35, p. 33-40 8 p.

    Research output: Contribution to journalArticlepeer-review

  88. Published

    Kuroda's class number relation

    Walter, C. D., 1979, In: Acta Arithmetica. 35, p. 41-51 11 p.

    Research output: Contribution to journalArticlepeer-review

  89. Published

    The ambiguous class group and the genus group of certain non-normal extensions

    Walter, C. D., 1979, In: Mathematika. 26, p. 113-124 12 p.

    Research output: Contribution to journalArticlepeer-review

  90. 1977
  91. Published

    A class number relation in Frobenius extensions of number fields

    Walter, C. D., 1977, In: Mathematika. 24, p. 216-225 10 p.

    Research output: Contribution to journalArticlepeer-review

  92. Published

    The class number of pure fields of prime degree (addendum)

    Parry, C. J. & Walter, C. D., 1977, In: Mathematika. 24, p. 122 1 p.

    Research output: Contribution to journalArticlepeer-review

  93. 1976
  94. Published

    Class Number Relations in Algebraic Number Fields

    Walter, C. D., 1 Apr 1976, University of Cambridge.

    Research output: Book/ReportCommissioned report

  95. Published

    The class number of pure fields of prime degree

    Parry, C. J. & Walter, C. D., 1976, In: Mathematika. 23, p. 220-226 7 p.

    Research output: Contribution to journalArticlepeer-review