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DES & 3DES cores

Overview

The Data Encryption Standard (DES) is a 64-bit block cipher which uses a 56-bit key to encrypt or decrypt each block of data. Given the short key length, DES has been proven to be susceptible to brute force attacks and so is no longer considered secure for general use.

Triple-DES (3DES) strengthens the security by combining three DES operations; an encrypt, a decrypt, and a final encrypt; each using a 56-bit key. This increases the effective key length, improving security. However, latterly 3DES has been superseded by the faster Advanced Encryption Standard (AES) algorithm, although it still finds use in security protocols such as IPsec and SSL/TLS for legacy purposes.

Helion DES & 3DES Solutions

Helion offer a range of solutions to implement the DES and 3DES algorithms, as specified in NIST FIPS Publication 46-3, for use in either ASIC or Altera, Lattice, Microsemi (Actel) or Xilinx FPGA. There are three versions to choose from; STANDARD, FAST and GIGA, each providing a different area and performance trade-off to best match your application.

The Helion DES/3DES cores have been designed to be extremely easy to integrate into any target system and support both encryption and decryption, optionally with either two or three key 3DES. They also offer full support for any of the common block cipher modes e.g. ECB, CBC, CFB, OFB, and CTR.

Measured Area and Performance
Figures for Triple-DES ECB EncryptionDecryption for the Standard and Fast cores.

  STANDARD
AREA
STANDARD
THROUGHPUT
FAST
AREA
FAST
THROUGHPUT
Altera Cyclone IV (C6) 638 LEs 309 Mbps 975 LEs 422 Mbps
Altera Cyclone V (C6) 185 ALMs 386 Mbps 331 ALMs 600 Mbps
Altera Arria II GX (C4) 233 ALMs 522 Mbps 371 ALMs 724 Mbps
Altera Arria V GX (C4) 194 ALMs 419 Mbps 313 ALMs 688 Mbps
Altera Arria 10 (E2L) 188 ALMs 707 Mbps 319 ALMs 1172 Mbps
Altera Stratix IV (C2) 217 ALMs 640 Mbps 365 ALMs 929 Mbps
Altera Stratix V (C1) 217 ALMs 773 Mbps 333 ALMs 1175 Mbps
Microsemi ProASIC3 (-2) 1118 tiles 118 Mbps 2100 tiles 151 Mbps
Microsemi AX/RTAX (-2) - - 725 cells 286 Mbps
Xilinx Spartan-3A (-5) 279 slices 218 Mbps 461 slices 294 Mbps
Xilinx Virtex-5 (-3) 70 slices 536 Mbps 111 slices 798 Mbps
Xilinx Spartan-6 (-3) 71 slices 368 Mbps 109 slices 550 Mbps
Xilinx Virtex-6 (-3) 71 slices 624 Mbps 108 slices 898 Mbps
Xilinx Artix-7 (-3) 71 slices 488 Mbps 111 slices 721 Mbps
Xilinx Kintex-7 (-3) 71 slices 519 Mbps 110 slices 1057 Mbps
Xilinx Virtex-7 (-3) 71 slices 519 Mbps 110 slices 1057 Mbps
Product Briefs

For full details of all the Helion DES cores, please download the appropriate Product Brief in PDF format below.

DES Cores - ASIC
DES Cores - FPGA

Contact

For more detailed information on this or any of our other products and services, please feel free to email us at helioncores@heliontech.com and we will be pleased to discuss how we can assist with your individual requirements.

Product Brief Quicklinks
DES Cores - ASIC
DES Cores - FPGA

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