VAMPIRE	eBACS: ECRYPT Benchmarking of Cryptographic Systems	ECRYPT II

Measurements of stream ciphers on one machine: amd64; Zen 4 (a70f41); 2023 AMD Ryzen 5 7640HS; 6 x 4300MHz; phoenix, supercop-20260330

[Page version: 20260405 18:03:02]

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 (or StQ1 starting with supercop-20260214), the median of many speed measurements (or StQ2 starting with supercop-20260214), the third quartile of many speed measurements (or StQ3 starting with supercop-20260214), and the name of the primitive. Measurements with large interquartile range (or stabilized interquartile range) 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: (bytes,cycles)

Cycles/byte for long messages 25% 50% 75% stream 0.23 0.24 0.24 aes256ctr 0.32 0.32 0.33 chacha8 0.35? 0.36? 0.40? T:aes128ctr 0.42 0.44 0.45 tango642 0.44 0.45 0.45 chacha12 0.42? 0.46? 0.48? T:aes192ctr 0.62 0.62 0.63 salsa208 0.64 0.67 0.70 T:speck6496ctr 0.66 0.68 0.69 T:speck64128ctr 0.68 0.69 0.70 chacha20 0.75 0.76 0.77 salsa2012 0.78 0.80 0.81 T:speck128128ctr 0.80 0.82 0.83 T:speck128192ctr 0.85 0.85 0.86 T:speck128256ctr 0.82 0.87 0.89 T:simon6496ctr 0.85? 0.92? 1.01? T:simon64128ctr 1.01 1.02 1.03 salsa20 1.02 1.03 1.04 xsalsa20 1.28 1.30 1.31 T:hc128 1.30 1.33 1.36 T:simon128128ctr 1.27 1.34 1.39 T:tpy 1.37 1.42 1.49 T:simon128256ctr 1.53 1.55 1.58 T:trivium 1.44? 1.60? 2.54? T:nlsv2 1.66 1.68 1.69 T:sosemanuk 1.74 1.79 1.81 T:hc256 1.71 1.79 1.86 T:tpy6 1.78 1.83 1.84 T:cryptmtv3 2.10 2.11 2.12 T:panama 2.15 2.23 2.32 T:tpypy 2.40 2.41 2.42 T:snow20 2.52 2.53 2.54 T:rabbit 4.04 4.06 4.08 T:lexv2 8.13 8.15 8.17 T:aes128estream 12.24 12.27 12.29 T:aes256estream 13.28 13.39 13.62 T:ocelot1 14.35 14.47 14.59 T:ocelot2 26.55 27.62 28.17 T:amastrid

Cycles/byte for 4096 bytes 25% 50% 75% stream 0.26 0.26 0.26 aes256ctr 0.33 0.33 0.33 chacha8 0.37 0.37 0.41 T:aes128ctr 0.45 0.45 0.46 chacha12 0.57 0.58 0.58 tango642 0.63 0.64 0.64 salsa208 0.67 0.67 0.68 T:aes192ctr 0.68 0.69 0.71 T:speck6496ctr 0.69 0.70 0.70 chacha20 0.70 0.71 0.72 T:speck64128ctr 0.77 0.77 0.78 salsa2012 0.83 0.85 0.85 T:speck128128ctr 0.86 0.87 0.87 T:speck128192ctr 0.90 0.90 0.90 T:speck128256ctr 1.00 1.01 1.02 T:simon6496ctr 1.03 1.04 1.04 salsa20 1.10 1.11 1.17 T:simon64128ctr 1.12 1.12 1.13 xsalsa20 1.48 1.48 1.50 T:simon128128ctr 1.64 1.65 1.67 T:trivium 1.75? 1.76? 2.45? T:nlsv2 1.75 1.79 1.80 T:simon128256ctr 2.03 2.03 2.04 T:sosemanuk 2.33 2.36 2.38 T:tpy6 2.37 2.39 2.40 T:cryptmtv3 2.48 2.48 2.49 T:snow20 2.52 2.55 2.58 T:tpy 2.60 2.60 2.61 T:rabbit 2.72 2.72 2.73 T:panama 3.40 3.44 3.47 T:tpypy 3.78 3.78 3.79 T:hc128 4.16 4.17 4.18 T:lexv2 8.19 8.20 8.20 T:aes128estream 8.23 8.25 8.26 T:hc256 12.36 12.37 12.38 T:aes256estream 14.20 14.25 14.38 T:ocelot1 15.24 15.29 15.35 T:ocelot2 28.03 28.32 28.70 T:amastrid

Cycles/byte for 1536 bytes 25% 50% 75% stream 0.29 0.30 0.31 aes256ctr 0.40 0.40 0.41 T:aes128ctr 0.42 0.43 0.43 chacha8 0.57 0.57 0.57 salsa208 0.59 0.59 0.60 chacha12 0.71 0.72 0.72 salsa2012 0.72 0.73 0.74 T:speck6496ctr 0.76 0.77 0.77 T:speck64128ctr 0.80 0.80 0.81 tango642 0.91 0.92 0.93 T:speck128128ctr 0.91 0.92 0.93 chacha20 0.95 0.96 0.96 T:speck128192ctr 0.97 0.98 0.99 T:speck128256ctr 0.99 1.00 1.01 salsa20 0.99 1.02 1.08 T:aes192ctr 1.21 1.21 1.23 T:simon6496ctr 1.22 1.22 1.23 xsalsa20 1.40 1.41 1.46 T:simon64128ctr 1.74 1.74 1.76 T:simon128128ctr 1.80 1.82 1.83 T:trivium 2.12? 2.15? 2.81? T:nlsv2 2.28 2.40 2.42 T:simon128256ctr 2.60 2.61 2.63 T:snow20 2.67 2.67 2.69 T:sosemanuk 2.72 2.72 2.73 T:rabbit 3.29 3.31 3.36 T:tpy6 3.56 3.58 3.58 T:cryptmtv3 3.74 3.75 3.77 T:panama 4.35 4.36 4.37 T:lexv2 4.46 4.50 4.54 T:tpy 5.40 5.45 5.49 T:tpypy 7.89 7.91 7.93 T:hc128 8.27 8.29 8.32 T:aes128estream 12.48 12.50 12.53 T:aes256estream 15.62 15.73 15.84 T:ocelot1 16.47 16.65 16.92 T:ocelot2 18.97 19.04 19.04 T:hc256 29.66 29.82 30.26 T:amastrid

Cycles/byte for 576 bytes 25% 50% 75% stream 0.50 0.51 0.54 T:aes128ctr 0.54 0.55 0.55 salsa208 0.56 0.57 0.58 aes256ctr 0.57 0.58 0.59 chacha8 0.78 0.79 0.79 salsa2012 0.79 0.80 0.81 chacha12 1.03 1.04 1.05 T:speck6496ctr 1.09 1.13 1.16 T:speck64128ctr 1.21 1.23 1.25 chacha20 1.26 1.28 1.29 salsa20 1.37 1.39 1.39 T:speck128128ctr 1.39 1.39 1.42 T:speck128192ctr 1.40 1.41 1.41 tango642 1.45 1.47 1.48 T:speck128256ctr 1.89 1.89 1.93 xsalsa20 1.89 1.93 2.00 T:aes192ctr 2.17 2.19 2.33 T:simon6496ctr 2.29 2.31 2.32 T:trivium 2.30 2.31 2.32 T:simon64128ctr 2.91 2.92 2.93 T:simon128256ctr 2.91 2.92 2.94 T:snow20 2.96? 3.01? 3.55? T:nlsv2 3.04 3.04 3.06 T:rabbit 3.84 3.86 3.87 T:simon128128ctr 4.36 4.36 4.39 T:cryptmtv3 4.37 4.38 4.40 T:sosemanuk 4.91 4.92 4.95 T:lexv2 5.66 5.71 5.78 T:tpy6 6.48 6.51 6.55 T:panama 8.51 8.53 8.56 T:aes128estream 9.69 9.86 9.94 T:tpy 10.57 10.63 10.73 T:tpypy 12.91 12.98 13.02 T:aes256estream 18.91 19.00 19.02 T:hc128 19.46 19.61 19.83 T:ocelot1 20.16 20.23 20.48 T:ocelot2 33.50 34.74 34.87 T:amastrid 47.75 47.79 47.97 T:hc256

Cycles/byte for 64 bytes 25% 50% 75% stream 1.50? 1.64? 1.76? T:aes128ctr 2.80 2.81 2.82 salsa208 3.12 3.19 3.30 aes256ctr 3.69 3.73 3.76 salsa2012 3.86 3.95 3.99 T:speck6496ctr 3.99 4.08 4.14 T:speck64128ctr 4.83 4.91 4.99 chacha8 5.05 5.06 5.16 T:simon6496ctr 5.45 5.50 5.60 T:speck128128ctr 5.50 5.55 5.56 salsa20 5.61 5.64 5.67 T:speck128192ctr 5.78 5.88 5.92 T:speck128256ctr 6.20 6.22 6.33 T:simon64128ctr 6.77 6.86 6.91 chacha12 7.02 7.07 7.10 T:rabbit 7.08 7.22 7.25 T:snow20 7.91 7.93 8.12 T:simon128128ctr 8.43 8.55 8.63 T:trivium 8.70 8.79 8.91 T:cryptmtv3 9.10 9.23 9.42 tango642 9.52 9.56 9.78 T:simon128256ctr 10.60 10.62 10.75 xsalsa20 10.59 10.81 10.93 chacha20 11.51 11.63 11.73 T:lexv2 11.60 11.66 11.76 T:aes128estream 13.98? 14.68? 16.54? T:aes192ctr 16.73? 17.17? 19.49? T:nlsv2 18.24 18.44 18.57 T:aes256estream 23.49 23.56 23.99 T:sosemanuk 37.07 37.42 38.34 T:tpy6 41.53 41.56 41.93 T:panama 66.09 67.30 69.98 T:ocelot1 68.99 70.06 71.07 T:ocelot2 77.52 78.96 79.65 T:tpypy 78.47 79.20 79.84 T:tpy 98.01 98.94 100.40 T:amastrid 160.62 160.87 161.01 T:hc128 413.16 414.67 416.77 T:hc256

Cycles/byte for 8 bytes 25% 50% 75% stream 12.17? 12.39? 13.96? T:aes128ctr 17.75 17.75 18.54 T:speck128192ctr 18.12 18.17 18.38 T:speck6496ctr 18.25 18.25 18.54 T:speck64128ctr 18.75 18.75 19.16 T:speck128128ctr 19.55 19.71 20.61 T:speck128256ctr 24.97 26.02 26.93 aes256ctr 35.21 35.65 36.25 chacha8 36.09 36.89 38.70 salsa208 37.59 38.25 38.35 T:simon6496ctr 39.12 39.12 39.12 salsa2012 41.98 42.55 42.86 T:rabbit 43.68 44.29 45.32 chacha12 47.92 48.12 49.61 T:aes128estream 48.38 48.40 48.66 T:simon64128ctr 55.49 55.93 56.36 T:snow20 55.86 56.29 58.34 T:cryptmtv3 56.94 57.60 58.30 T:trivium 57.68 58.03 58.59 salsa20 60.72 61.32 62.78 chacha20 62.50 62.69 63.00 T:simon128128ctr 66.53 66.79 67.10 tango642 67.82 68.16 68.74 T:lexv2 73.59 73.96 74.28 T:aes256estream 87.52 87.62 89.00 T:simon128256ctr 87.11? 90.52? 106.01? T:nlsv2 97.88 98.35 99.11 xsalsa20 113.07 116.85 121.70 T:aes192ctr 186.95 187.64 189.71 T:sosemanuk 296.11 302.00 302.57 T:tpy6 325.05 326.65 327.06 T:panama 439.27 449.43 459.80 T:ocelot2 451.33 459.52 470.83 T:ocelot1 608.62 613.86 617.46 T:tpy 617.18 623.17 633.33 T:tpypy 674.64 692.38 704.96 T:amastrid 1279.74 1284.05 1286.53 T:hc128 3327.88 3329.48 3333.95 T:hc256