Hkdf

Hkdf is used at run time in 2,422 crates (of which 557 optionally). It is a direct run-time dependency in 214 crates. It's used only as a dev dependency in 80 crates (of which 5 directly).

Number of dependers	Hkdf version	Downloads/month
4	0.13.0-pre.4	3.0K
2,200	0.12.4	2.8M
90	0.11.0	37K
145	0.10.0	150K
4	0.9.0	1.1K
55	0.8.0	1.8K
3	0.7.1	130
1	0.4.0	0

Depender (with downloads and own rev deps)			Hkdf version
1.4M	6	sqlx-mysql		^0.12.0
1.4M	7	sqlx-postgres		^0.12.0
2.7M	234	cookie	optional	^0.12.0
2.5M	123	elliptic-curve	optional	^0.12.1
171K		syd		^0.12
363K	95	libp2p-identity	optional	^0.12.4
110K	9	hpke		^0.12
98K	35	pgp		^0.12.4
60K	11	tink-core		^0.12.4
60K	2	tink-prf		^0.12.4
144K	14	secret-service	optional	^0.12.0
45K	3	discv5		^0.12
110K	8	sp-statement-store	optional	^0.12.0
27K	5	webrtc-dtls		^0.12
23K	3	hpke-rs-rust-crypto		^0.12
21K	8	age-core		^0.12
56K	2	shadowsocks-crypto	optional	^0.12
17K	5	spake2		^0.12
43K	1	dbus-secret-service	optional	^0.12
8.7K	17	tor-proto		^0.12.0
8.6K	15	chia-bls		^0.12.0
7.8K	14	ecies		^0.12.4
7.8K	4	iota_stronghold		^0.12
7.5K	4	vodozemac		^0.12.4
7.5K	2	sn_bls_ckd		^0.12.3
7.4K	3	fastcrypto		^0.12.3
5.7K	2	gnip44		^0.12
5.7K	6	opaque-ke		^0.12
5.6K	10	deno_node		^0.12.3
4.8K	6	zkryptium		^0.12.3
13K	27	iota-crypto	optional	^0.12
4.1K	2	sphinx-packet		^0.12.4
10K	2	oo7	optional	^0.12
3.0K	4	blsful		^0.12
2.9K	6	matrix-sdk-crypto		^0.12.4
2.8K	7	bitwarden-crypto		>=0.12.3, <0.13
8.6K	2	ece	optional	^0.12
2.5K	18	zino-core		^0.12.4
2.5K		rbw		^0.12.4
2.3K	1	matrix-sdk-indexeddb		^0.12.4
1.6K	2	rust-bls-bn254		^0.12.4
1.6K	1	sqlx-build-trust-postgres		^0.12.0
1.5K	1	rust-ipfs		^0.12.4
4.8K	9	bls-signatures	optional	^0.11.0
1.4K	2	nostro2		^0.12.4
1.3K		lakers-crypto-rustcrypto		^0.12.3
1.2K	3	embedded-tls		^0.12.3
1.2K	5	bc-crypto		^0.12.3
1.2K	1	liboscore-cryptobackend		^0.12
1.2K	8	phoenix-core		^0.12
1.1K	3	did-key		^0.11
3.8K	19	ssi-crypto	optional	^0.8
1.0K	4	secret-toolkit-crypto		^0.12.3
1.0K	2	biscotti		^0.12
850	3	magic-wormhole		^0.12.2
800	12	ockam_vault		^0.12
750	2	mla		^0
700	3	bbs		^0.8
550		bls_on_arkworks		^0.12.3
550	18	dock_crypto_utils		^0.12.3
550	2	bitcoin-hpke		^0.12
550		pake-kem		^0.13.0-pre.4
2.1K	2	ohttp	optional	^0.11
1.7K	6	askar-crypto	optional	^0.12
410	3	sn_networking		^0.12
350	2	rust_keylock		^0.12
1.4K		seshat	optional	^0.11.0
270	9	paired		^0.10.0
270	2	odoh-rs		^0.12
260		kyber-rs		^0.12.3
1.3K	1	ecies-ed25519	optional	^0.10.0
1.1K		rej	optional	^0.13.0-pre.4
210	2	strong-box		^0.12
200	1	tendermint-p2p		^0.12.3
190	3	openmls_rust_crypto		^0.12
190	2	ic_cose_types		^0.12
190	1	ffsend-api		^0.11
190		mls-rs-crypto-rustcrypto		^0.12
170	9	chik-bls		^0.12.0
170		bls_sigs_ref		^0.8.0
170	2	hpke_pq		^0.12
150	1	cyfs-ecies		^0.8.0
140		ironfish		^0.12.4
140		hexgate		^0.12.4
130	1	secret-toolkit-notification		^0.12.3
130		wedpr_ecies		^0.11.0
130		cryptid-rs		^0.12.4
120		generic-ecies		^0.12
110	3	ant-networking		^0.12
100		bls_sigs_ref-rs		^0.8.0
	1	x3dh-ke		^0.11.0
	6	threshold-bls		^0.8
		kemeleon		^0.12.4
	1	distant-net		^0.12.3
	4	signature_bls		^0.11
	6	dg_xch_core		^0.12.4
	2	umbral-pre		^0.12
		suricata		~0.12.3
	2	wildland-crypto		^0.12
	69	aptos-crypto		^0.10.0
		nucypher-core		^0.12.3
		QuantCrypt		^0.12.4
	1	ece-native		^0.12.4
	2	sphinxcrypto		^0.8.0
650	2	sqlx-core-oldapi	optional	^0.12.0
		ssh-vault		^0.12.4
		wasefire-stub		^0.12.4
	4	diem-crypto		^0.10.0
	2	rtc-dtls		^0.12.4
		signature_ps		^0.11
	3	edm-core		^0.12.4
		signal-backup-decode		^0.10
	3	dg_xch_keys		^0.12.4
		libes		^0.12
		secret-service-server-rs		^0.12.4
	1	w5500-tls		^0.12
	1	mega		^0.12.4
		tide-csrf		^0.11.0
	2	sentc-crypto-std-keys		^0.12.3
		async-psec		^0.11
	1	entropy-tss		^0.12.4
		fs-encrypt		0.12.*
		clavis		^0.12
		illusion		^0.12.3
		baru		^0.11
		stedy		^0.12.4
	1	blastkids		^0.12.3
	1	sqlx-etorreborre-postgres		^0.12.0
		cryptoballot		^0.8.0
	1	diem-framework-crypto		^0.10.0
	1	oblivion		^0.12
	3	deadbolt-crypto		^0.12.3
		msecret		^0.12
		web-push-native		^0.12.4
		ncryptf-rs		^0.12.3
	2	portal-lib		^0.9.0
	1	walletconnect-client		^0.12
		libjayjeer		^0.12.3
		light-double-ratchet		^0.12.4
	2	navajo		^0.12
	1	ecies_25519		^0
		voynich		^0.12.3
	2	cosmian_crypto_base		^0.12
	2	kestrel-crypto		^0.12.4
		obfs4		^0.12.3
		tmkms		^0.12
	2	wasi-crypto		^0.12.3
		aries-bbssignatures		^0.8
		field-encryption		^0.12.3
		kinode		^0.12.3
		m365		^0.12.0
	1	torrosion		^0.12
		cpace		^0.8
		hsm2descriptors		^0.10.0
		modified_bbs_for_PoC		^0.8
	1	pass-fxa-lib		^0.11.0
		reticulum		^0.12
		mim		0.12.*
		mlar		^0
		secretrs		^0.12.4
	1	volt-ws-protocol		^0.12.4
		vru-noise		^0.12.3
		autograph_protocol		^0.12.4
	1	ntge-core		^0.8.0
	1	quik-crypto		^0.12.4
	1	sym-crypto		^0.10.0
		aloha		^0.12
		bls_ckd		^0.12.3
		drogue-tls		^0.10.0
		oxyd		^0.12.3
		wamu-core		^0.12.3
		chinilla-bls		=0.11.0
500		ursa	optional	^0.11.0
		dapol		^0.12.3
		edhoc		^0.8.0
		liboxyd		^0.12.3
		bls12_381_ietf		^0.8.0
		bwtui		^0.8.0
		contact-tracing		^0.8.0
		deterministic-pgp-keys		^0.11.0
		devolutions-crypto-wayk		^0.10
		double-ratchet-2		^0.11.0
		double-ratchet-rs		^0.12
		handshake		^0.12
	1	ockam_signature_bls		^0.10
		ratchet		^0.8
		umbral-rs		^0.9.0
		aptos-crypto-link		^0.10.0
	3	cryptimitives		^0.12
		plabble-codec		>=0.12
		qls-proto-utils		^0.12.4
		rpi-derive-key		^0.12
	1	rwarden_crypto		^0.11.0
		sear		^0.4
		shakejo		^0.12
		ss-rs		^0.12.3
		tmuntaner-keyring		^0.12
		welds-sqlx-mssql		^0.12.0
		bitwarden-pin		^0.12.3
		double-ratchet-signal		^0.7
450	2	bitcoin-ohttp	optional	^0.11
220		rmls	optional	^0.12.3
190	15	product-os-security	optional	^0.12.3
150	15	moonramp-core	optional	^0.12.3
		coffio	optional	^0.12.4
	1	cookie-hashed-domain	optional	^0.11.0
		hmac-serialiser	optional	^0.12.4
		nym-crypto	optional	^0.12.3
		pasta-tokens	optional	^0.12.3
		rs-matter	optional	^0.12
		sqlx-core-guts	optional	^0.12.0
	2	sqlx-core_wasi	optional	^0.12.0
		whistle	optional	^0.12.3
470		ksi-double-ratchet	dev	^0.12.4
		wolf-crypto	dev	^0.12.4
	1	hyphae-handshake	dev	^0.12.4
		dhkem	dev	^0.12.4
	1	double-ratchet	dev	^0.7
		cargo-index-transit	dev	^0.12.3