Crates / Category
Rust crates · category · data Oct 24, 2026
Cryptography crates by real downloads
crates.io describes this category as: “Algorithms intended for securing data.” Below are the 22 crates in it among the 300 most-downloaded crates, ranked by real downloads (quiet-day baseline) instead of raw count.
Short answerBy steady daily use, digest leads Cryptography with 3,862,411 real downloads a day (widely used and steady). 10 of the 22 have 1,000+ dependents; 2 have shipped nothing in 2+ years. Release spikes barely matter here: the median crate got 0.0% of its downloads within 2 days of a release.
22 crates
| Compare | ||||||
|---|---|---|---|---|---|---|
| digestWidely used | 3,862,411 | 1,197 | 6mo | +6% | 1.2B | |
| block-bufferPulled in | 3,815,018 | 23 | 4mo | +7% | 1.2B | |
| crypto-commonPulled in | 3,766,260 | 85 | 5mo | +6% | 1B | |
| sha2Foundational | 3,510,276 | 22,608 | 12d | +7% | 1.1B | |
| rustlsWidely used | 2,763,314 | 5,286 | 10d | -3% | 1B | |
| rustls-webpkiEstablished | 2,654,129 | 240 | 4d | +1% | 896M | |
| ppv-lite86Pulled in | 2,441,634 | 6 | 20mo | +1% | 1M | |
| zeroizeWidely used | 2,397,082 | 5,204 | 18d | +0% | 802M | |
| tokio-rustlsWidely used | 2,299,591 | 2,458 | 26d | +5% | 871M | |
| rustls-pki-typesEstablished | 2,178,757 | 910 | 3mo | +0% | 609M | |
| subtleWidely used | 2,159,165 | 2,362 | 2.3y | +1% | 799M | |
| hmacWidely used | 2,124,794 | 4,359 | 7mo | +5% | 681M | |
| ringWidely used | 2,112,308 | 1,837 | 19mo | +0% | 834M | |
| const-oidEstablished | 2,079,241 | 160 | 10mo | +13% | 56M | |
| sha1Widely used | 2,004,209 | 2,496 | 3mo | +10% | 613M | |
| siphasherEstablished | 1,957,258 | 274 | 29d | +8% | 636M | |
| rustls-native-certsEstablished | 1,774,553 | 761 | 11d | -1% | 628M | |
| derEstablished | 1,514,408 | 378 | 49d | +6% | 528M | |
| signatureEstablished | 1,419,605 | 417 | 6mo | +9% | 502M | |
| spkiEstablished | 1,302,398 | 198 | 19d | +6% | 482M | |
| openssl-sysEstablished | 1,032,002 | 321 | 4mo | -11% | 488M | |
| rustls-pemfileWidely used | 945,078 | 1,378 | 2.1y | -10% | 569M |
Click a column to sort; press + to add a crate to a comparison. Real / day = median downloads on days with no release that day or the day before. Each crate's page shows its verdict and the 4 rules behind it. Why this method · this category on crates.io