VAMPIRE	eBACS: ECRYPT Benchmarking of Cryptographic Systems	ECRYPT II

Measurements of stream ciphers on one machine: amd64; Core 2 65nm (6fb); 2007 Intel Core 2 Duo T7300; 2 x 2000MHz; trident, supercop-20250922

[Page version: 20251101 00:13:09]

eBASC (ECRYPT Benchmarking of Stream Ciphers) is a project to measure the performance of stream ciphers. This page presents benchmark results collected in eBASC:

• Speed (cycles/byte) of encrypting an 8-byte message.
• Speed of encrypting a 64-byte message.
• Speed of encrypting a 576-byte message.
• Speed of encrypting a 1536-byte message.
• Speed of encrypting a 4096-byte message.
• Speed of encrypting a long message. This is computed as 1/3072 of the difference in cycle counts between encrypting 4096-byte messages and encrypting 1024-byte messages.

Graphs show timings for all message lengths between 0 and 4096 bytes. The stair-step shape of a typical curve on the graphs reflects the fact that these stream ciphers handle messages in blocks, such as 64-byte blocks.

Each table row lists the first quartile of many speed measurements, the median of many speed measurements, the third quartile of many speed measurements, and the name of the primitive. Measurements with large variance are indicated in red with question marks. The symbol T: (starting with supercop-20200816) means that the SUPERCOP database at the time of benchmarking did not list constant time as a goal for this implementation. The symbol T!!! means that constant time was listed as a goal for this implementation, but that the implementation failed TIMECOP. (TIMECOP failures are not necessarily security issues; they can sometimes be resolved by, e.g., declaring that a rejection-sampling condition is safe to declassify.)

There is a separate page with more information about each stream cipher and each implementation. Designers and implementors interested in submitting new stream ciphers and new implementations should read the call for submissions.

Test results

Graphs: old (bytes,cycles)

Cycles/byte for long messages 25% 50% 75% stream 1.18 1.19 1.28 tango642 1.70 1.70 1.70 chacha8 1.95 1.99 1.99 salsa208 2.27 2.27 2.27 chacha12 2.46 2.50 2.55 T:hc128 2.63 2.66 2.67 salsa2012 2.80 2.80 2.81 T:trivium 3.36 3.36 3.37 chacha20 3.28 3.39 3.44 T:tpy 3.41 3.42 3.42 T:speck6496ctr 3.54 3.55 3.55 T:speck64128ctr 3.70 3.72 3.75 T:cryptmtv3 3.65 3.74 3.79 T:hc256 3.81 3.82 3.88 T:nlsv2 3.79 3.86 3.92 T:tpy6 3.59 3.86 3.92 T:sosemanuk 3.99 4.01 4.03 xsalsa20 4.00 4.01 4.02 T:snow20 3.97 4.02 4.03 salsa20 4.12 4.15 4.19 T:panama 4.46 4.51 4.54 T:rabbit 4.72 4.72 4.72 T:speck128128ctr 4.86 4.86 4.86 T:speck128192ctr 5.00 5.00 5.02 T:speck128256ctr 5.00 5.23 5.34 T:tpypy 5.81 5.81 5.81 T:lexv2 6.21 6.22 6.23 T:simon6496ctr 6.38 6.41 6.44 T:simon64128ctr 8.82 8.87 8.90 T:aes128ctr 9.71 9.72 9.73 T:simon128128ctr 10.21 10.21 10.22 T:simon128256ctr 10.38 10.43 10.47 T:aes192ctr 10.56 10.61 10.61 T:aes128estream 11.91 11.97 12.04 T:aes256ctr 17.17 17.19 17.21 T:aes256estream 26.02 26.94 28.08 T:ocelot1 28.22 28.65 29.47 T:ocelot2 40.25? 43.18? 45.62? T:amastrid

Cycles/byte for 4096 bytes 25% 50% 75% stream 1.46 1.46 1.52 tango642 1.73 1.73 1.73 chacha8 1.99 2.01 2.01 salsa208 2.30 2.30 2.30 chacha12 2.67 2.69 2.69 salsa2012 2.93 2.94 2.94 T:trivium 3.39 3.39 3.40 chacha20 3.46 3.46 3.46 T:speck6496ctr 3.60 3.60 3.60 T:speck64128ctr 4.03 4.05 4.05 salsa20 4.07 4.09 4.13 T:nlsv2 4.14 4.15 4.15 T:snow20 4.14 4.16 4.16 xsalsa20 4.02 4.22 4.22 T:sosemanuk 4.32 4.32 4.35 T:cryptmtv3 4.64 4.66 4.66 T:tpy6 4.65 4.68 4.69 T:rabbit 4.78 4.79 4.79 T:speck128128ctr 4.92 4.92 4.92 T:speck128192ctr 4.91 4.96 4.98 T:tpy 5.06 5.07 5.08 T:speck128256ctr 5.57 5.58 5.59 T:panama 5.99 5.99 5.99 T:lexv2 6.52 6.52 6.53 T:simon6496ctr 6.87 6.88 6.89 T:simon64128ctr 6.85 6.93 6.94 T:tpypy 7.20 7.22 7.26 T:hc128 9.96 9.97 10.00 T:aes128ctr 10.09 10.09 10.10 T:simon128128ctr 10.67 10.68 10.68 T:aes128estream 11.57 11.59 11.61 T:aes192ctr 11.72 11.72 11.72 T:simon128256ctr 13.15 13.18 13.20 T:aes256ctr 15.66 15.72 15.76 T:hc256 17.31 17.31 17.32 T:aes256estream 27.79 28.42 29.20 T:ocelot1 30.60 30.85 31.31 T:ocelot2 43.78 45.49 46.96 T:amastrid

Cycles/byte for 1536 bytes 25% 50% 75% stream 1.78 1.78 1.78 chacha8 1.89 1.90 1.93 tango642 2.04 2.07 2.07 salsa208 2.34 2.34 2.35 chacha12 2.73 2.73 2.76 salsa2012 3.18 3.18 3.19 T:trivium 3.44 3.44 3.44 chacha20 3.52 3.54 3.55 T:speck6496ctr 3.68 3.68 3.68 T:speck64128ctr 4.08 4.10 4.10 salsa20 4.37 4.37 4.38 T:snow20 4.38 4.39 4.41 xsalsa20 4.72 4.74 4.84 T:nlsv2 4.90 4.90 4.90 T:speck128128ctr 4.79 4.90 4.95 T:sosemanuk 4.94 4.96 4.99 T:rabbit 5.01 5.01 5.02 T:speck128192ctr 5.17 5.17 5.17 T:speck128256ctr 5.68 5.69 5.75 T:cryptmtv3 5.82 5.83 5.97 T:tpy6 6.31 6.31 6.32 T:lexv2 7.01 7.02 7.05 T:simon6496ctr 7.46 7.48 7.58 T:tpy 7.64 7.66 7.69 T:simon64128ctr 7.81 7.89 7.94 T:panama 9.48 9.48 10.04 T:tpypy 10.71 10.71 10.72 T:simon128128ctr 10.79 10.83 10.85 T:aes128estream 11.76 11.81 11.84 T:aes128ctr 13.55 13.60 13.65 T:aes192ctr 14.23 14.23 14.25 T:simon128256ctr 15.06 15.09 15.13 T:hc128 15.06 15.11 15.27 T:aes256ctr 17.49 17.54 17.57 T:aes256estream 30.43 30.58 30.76 T:ocelot1 33.68 34.33 35.15 T:ocelot2 35.63 35.64 35.80 T:hc256 47.95 49.65 50.83 T:amastrid

Cycles/byte for 576 bytes 25% 50% 75% stream 2.03 2.04 2.04 chacha8 2.28 2.28 2.29 salsa208 2.68 2.68 2.68 chacha12 3.00 3.02 3.02 salsa2012 3.05 3.07 3.11 tango642 3.76 3.78 3.78 T:trivium 3.83 3.84 3.85 T:speck6496ctr 3.96 3.96 3.98 T:speck64128ctr 3.96 3.96 3.96 chacha20 4.49 4.50 4.51 salsa20 4.96 4.97 4.99 T:snow20 5.25 5.25 5.25 T:speck128128ctr 5.24 5.25 5.26 xsalsa20 5.34 5.34 5.34 T:speck128192ctr 5.52 5.52 5.52 T:speck128256ctr 5.67 5.68 5.75 T:rabbit 6.27 6.27 6.27 T:nlsv2 6.70 6.71 6.84 T:cryptmtv3 6.63 6.76 6.85 T:sosemanuk 7.16 7.17 7.20 T:lexv2 9.25 9.26 9.35 T:simon6496ctr 9.31 9.51 9.52 T:tpy6 11.13 11.13 11.13 T:aes128estream 13.68 13.90 14.04 T:panama 14.27 14.42 14.82 T:tpy 16.73 16.85 16.94 T:tpypy 17.68 17.81 17.99 T:aes128ctr 18.03 18.04 18.10 T:aes256estream 18.56 18.56 18.61 T:simon64128ctr 19.75 19.82 19.94 T:aes192ctr 20.57 20.59 20.62 T:simon128128ctr 21.52 21.61 21.85 T:aes256ctr 27.80 27.80 27.84 T:simon128256ctr 36.05 36.07 36.13 T:hc128 37.14 37.79 38.82 T:ocelot1 41.66 43.43 44.14 T:ocelot2 54.16? 60.72? 61.82? T:amastrid 88.80 88.90 89.20 T:hc256

Cycles/byte for 64 bytes 25% 50% 75% stream 4.30 4.31 4.33 chacha8 4.52 4.52 4.52 salsa208 5.72 5.72 5.72 chacha12 5.72 5.72 5.72 salsa2012 7.25 7.25 7.25 T:speck6496ctr 7.23 7.31 7.31 T:speck64128ctr 7.81 7.81 8.02 salsa20 8.31 8.31 8.31 chacha20 9.06 9.06 9.20 T:speck128192ctr 9.25 9.25 9.30 T:speck128128ctr 9.59 9.59 9.59 T:speck128256ctr 11.38 11.48 11.50 T:trivium 12.41 12.58 12.64 T:snow20 14.97 15.02 15.02 xsalsa20 15.08 15.08 15.08 T:rabbit 15.61 15.61 15.61 T:aes128estream 16.03 16.03 16.03 T:simon6496ctr 16.94 17.00 17.91 T:cryptmtv3 17.14 17.16 17.92 T:lexv2 17.59 17.59 17.59 T:simon64128ctr 18.11 18.17 18.27 tango642 24.19 24.19 24.73 T:simon128128ctr 24.78 24.78 24.78 T:simon128256ctr 24.84 24.94 25.11 T:aes256estream 26.88 27.22 27.38 T:sosemanuk 31.97 31.98 32.05 T:nlsv2 49.52 53.92 54.55 T:tpy6 88.61 89.08 90.75 T:panama 98.08 99.05 100.14 T:aes128ctr 100.39 103.09 103.28 T:tpy 106.05 107.06 107.80 T:aes192ctr 107.25 108.16 111.77 T:tpypy 109.72 110.84 114.27 T:aes256ctr 124.91 126.53 128.61 T:ocelot1 147.39? 148.92? 169.95? T:ocelot2 162.73 163.19 164.52 T:amastrid 303.73 303.92 304.22 T:hc128 768.50 768.50 772.36 T:hc256

Cycles/byte for 8 bytes 25% 50% 75% stream 27.62 27.62 27.62 T:speck6496ctr 28.00 28.00 28.00 T:speck64128ctr 32.12 32.12 32.12 T:speck128256ctr 32.12 32.12 32.62 T:speck128192ctr 32.38 34.50 34.50 T:speck128128ctr 37.75 37.75 37.75 chacha8 48.50 48.50 48.50 chacha12 54.75 54.75 58.88 salsa208 63.50 63.50 63.88 salsa2012 69.62 69.62 69.62 chacha20 72.00 72.38 73.62 T:trivium 80.12 80.12 80.12 T:simon6496ctr 80.62 80.62 81.25 T:aes128estream 82.12 82.12 82.50 salsa20 87.88 87.88 87.88 T:simon64128ctr 98.38 99.25 107.88 T:snow20 99.12 99.62 108.12 T:cryptmtv3 98.88 100.38 100.88 T:aes256estream 101.50 101.50 101.50 T:lexv2 107.88 108.25 109.00 T:rabbit 128.88 128.88 133.25 T:simon128128ctr 135.00 135.00 135.00 T:simon128256ctr 137.75 138.38 138.88 tango642 140.88 141.38 141.38 xsalsa20 151.62 151.62 152.38 T:nlsv2 215.00 218.50 219.00 T:sosemanuk 372.88 407.50 411.12 T:tpy6 609.62 615.75 622.50 T:aes128ctr 637.50 639.25 653.50 T:aes192ctr 645.75 657.62 668.50 T:aes256ctr 696.62 701.88 711.50 T:panama 801.75 805.00 826.25 T:tpy 830.62 838.50 857.75 T:ocelot1 845.00? 850.50? 946.00? T:tpypy 1006.88 1012.38 1110.50 T:ocelot2 1073.38 1081.88 1086.88 T:amastrid 2431.25 2431.50 2433.12 T:hc128 6149.25 6154.12 6176.62 T:hc256