Hkdf

Hkdf is used at run time in 2,499 crates (of which 567 optionally). It is a direct run-time dependency in 217 crates. It's used only as a dev dependency in 83 crates (of which 5 directly).

Number of dependers	Hkdf version	Downloads/month
4	0.13.0-pre.4	1.6K
2,281	0.12.4	2.2M
93	0.11.0	66K
141	0.10.0	101K
4	0.9.0	1.6K
55	0.8.0	3.6K
3	0.7.1	57
1	0.4.0	0

Depender (with downloads and own rev deps)			Hkdf version
1.1M	6	sqlx-mysql		^0.12.0
1.2M	7	sqlx-postgres		^0.12.0
2.0M	236	cookie	optional	^0.12.0
1.9M	126	elliptic-curve	optional	^0.12.1
264K	96	libp2p-identity	optional	^0.12.4
76K	9	hpke		^0.12
76K	39	pgp		^0.12.4
53K		syd		^0.12
39K	3	discv5		^0.12
36K	11	tink-core		^0.12.4
36K	2	tink-prf		^0.12.4
104K	14	secret-service	optional	^0.12.0
26K	5	webrtc-dtls		^0.12
74K	8	sp-statement-store	optional	^0.12.0
17K	9	age-core		^0.12
17K	15	chia-bls		^0.12.0
15K	5	spake2		^0.12
45K	2	shadowsocks-crypto	optional	^0.12
12K	3	hpke-rs-rust-crypto		^0.12
34K	1	dbus-secret-service	optional	^0.12
7.3K	15	ecies		^0.12.4
7.1K	4	iota_stronghold		^0.12
5.9K	5	fastcrypto		^0.12.3
5.4K	5	vodozemac		^0.12.4
5.2K	17	tor-proto		^0.12.0
4.3K		mls-rs-crypto-rustcrypto		^0.12
11K	2	oo7	optional	^0.12
3.6K	2	sn_bls_ckd		^0.12.3
10K	27	iota-crypto	optional	^0.12
3.1K	5	blsful		^0.12
3.0K	12	deno_node		^0.12.3
2.8K	6	zkryptium		^0.12.3
2.3K	7	bitwarden-crypto		>=0.12.3, <0.13
2.3K	6	opaque-ke		^0.12
2.0K	6	matrix-sdk-crypto		^0.12.4
2.0K	2	sphinx-packet		^0.12.4
1.8K	1	matrix-sdk-indexeddb		^0.12.4
5.0K	2	ece	optional	^0.12
1.4K	6	ic_cose_types		^0.12
1.1K	2	rust-bls-bn254		^0.12.4
1.1K	3	embedded-tls		^0.12.3
950		rbw		^0.12.4
900		bls_on_arkworks		^0.12.3
850		stedy		^0.12.4
850	9	phoenix-core		^0.12
850	5	bc-crypto		^0.12.3
3.0K	18	ssi-crypto	optional	^0.8
700	18	zino-core		^0.12.4
2.5K	10	bls-signatures	optional	^0.11.0
650		secretrs		^0.12.4
600	3	magic-wormhole		^0.12.2
600	2	biscotti		^0.12
550	5	ant-networking		^0.12
550	2	bitcoin-hpke		^0.12
500	3	did-key		^0.11
1.8K	15	product-os-security	optional	^0.12.4
430	1	liboscore-cryptobackend		^0.12
430	2	mla		^0
420	1	rust-ipfs		^0.12.4
410		lakers-crypto-rustcrypto		^0.12.3
370		clavis		^0.12
350		cmail-rpgp		^0.12.4
350	4	secret-toolkit-crypto		^0.12.3
320	18	dock_crypto_utils		^0.12.3
300		dapol		^0.12.3
290		wasefire-stub		^0.12.4
290	3	bbs		^0.8
280		qls-proto-utils		^0.12.4
260	2	nostro2		^0.12.4
250	9	paired		^0.10.0
200		vpgp		^0.12.4
1.0K	2	ohttp	optional	^0.11
1.0K	6	askar-crypto	optional	^0.12
180	4	openmls_rust_crypto		^0.12
170	12	ockam_vault		^0.12
160		pake-kem		^0.13.0-pre.4
160	1	tendermint-p2p		^0.12.3
150	3	cryptimitives		^0.12
140	2	strong-box		^0.12
120	2	odoh-rs		^0.12
120		secret-service-server-rs		^0.12.4
	2	hpke_pq		^0.12
		tmuntaner-keyring		^0.12
	2	rust_keylock		^0.12
	1	ffsend-api		^0.11
	1	quik-crypto		^0.12.4
		ss-rs		^0.12.3
		bls_sigs_ref		^0.8.0
		QuantCrypt		^0.12.4
	2	sphinxcrypto		^0.8.0
	9	chik-bls		^0.12.0
		kyber-rs		^0.12.3
	2	kestrel-crypto		^0.12.4
	1	cyfs-ecies		^0.8.0
		double-ratchet-2		^0.11.0
600		seshat	optional	^0.11.0
		double-ratchet-rs		^0.12
		generic-ecies		^0.12
	1	x3dh-ke		^0.11.0
		kemeleon		^0.12.4
		bls_sigs_ref-rs		^0.8.0
	1	secret-toolkit-notification		^0.12.3
	1	sym-crypto		^0.10.0
	69	aptos-crypto		^0.10.0
		async-psec		^0.11
		msecret		^0.12
	6	threshold-bls		^0.8
	2	umbral-pre		^0.12
		deterministic-pgp-keys		^0.11.0
		fs-encrypt		0.12.*
		umbral-rs		^0.9.0
	1	distant-net		^0.12.3
		handshake		^0.12
		baru		^0.11
	1	ece-native		^0.12.4
		hexgate		^0.12.4
		ratchet		^0.8
	6	dg_xch_core		^0.12.4
		cryptoballot		^0.8.0
	1	diem-framework-crypto		^0.10.0
		bls12_381_ietf		^0.8.0
		shakejo		^0.12
	2	sn_networking		^0.12
		wamu-core		^0.12.3
		devolutions-crypto-wayk		^0.10
	1	oblivion		^0.12
		liboxyd		^0.12.3
		nucypher-core		^0.12.3
		aloha		^0.12
	3	edm-core		^0.12.4
		libes		^0.12
		plabble-codec		>=0.12
		bwtui		^0.8.0
	2	gnip44		^0.12
	2	sentc-crypto-std-keys		^0.12.3
		tide-csrf		^0.11.0
		rpi-derive-key		^0.12
	2	navajo		^0.12
	1	rwarden_crypto		^0.11.0
		suricata		~0.12.3
		cpace		^0.8
		m365		^0.12.0
		modified_bbs_for_PoC		^0.8
		ssh-vault		^0.12.4
		wedpr_ecies		^0.11.0
	3	deadbolt-crypto		^0.12.3
	3	dg_xch_keys		^0.12.4
	4	diem-crypto		^0.10.0
		illusion		^0.12.3
		mim		0.12.*
	2	rtc-dtls		^0.12.4
500	1	ecies-ed25519	optional	^0.10.0
		hsm2descriptors		^0.10.0
		ironfish		^0.12.4
		ncryptf-rs		^0.12.3
	2	wildland-crypto		^0.12
		bls_ckd		^0.12.3
		cryptid-rs		^0.12.4
		sear		^0.4
		aptos-crypto-link		^0.10.0
		chinilla-bls		=0.11.0
	2	cosmian_crypto_base		^0.12
	1	ecies_25519		^0
	4	signature_bls		^0.11
	1	torrosion		^0.12
		web-push-native		^0.12.4
	1	blastkids		^0.12.3
		field-encryption		^0.12.3
		obfs4		^0.12.3
	2	portal-lib		^0.9.0
		reticulum		^0.12
		signature_ps		^0.11
	1	w5500-tls		^0.12
		kinode		^0.12.3
		mlar		^0
	1	ockam_signature_bls		^0.10
	1	pass-fxa-lib		^0.11.0
		signal-backup-decode		^0.10
	1	sqlx-etorreborre-postgres		^0.12.0
		voynich		^0.12.3
		contact-tracing		^0.8.0
		drogue-tls		^0.10.0
		edhoc		^0.8.0
	1	entropy-tss		^0.12.4
		libjayjeer		^0.12.3
	1	mega		^0.12.4
	1	ntge-core		^0.8.0
		oxyd		^0.12.3
	1	sqlx-build-trust-postgres		^0.12.0
		tmkms		^0.12
	1	volt-ws-protocol		^0.12.4
		vru-noise		^0.12.3
	1	walletconnect-client		^0.12
	2	wasi-crypto		^0.12.3
		aries-bbssignatures		^0.8
		autograph_protocol		^0.12.4
		bitwarden-pin		^0.12.3
		double-ratchet-signal		^0.7
		light-double-ratchet		^0.12.4
		welds-sqlx-mssql		^0.12.0
480	2	bitcoin-ohttp	optional	^0.11
460		rej	optional	^0.13.0-pre.4
260		sframe	optional	^0.12
220	2	sqlx-core-oldapi	optional	^0.12.0
220		ursa	optional	^0.11.0
		hmac-serialiser	optional	^0.12.4
		rmls	optional	^0.12.3
		coffio	optional	^0.12.4
	1	cookie-hashed-domain	optional	^0.11.0
	15	moonramp-core	optional	^0.12.3
		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
1.6K		wolf-crypto	dev	^0.12.4
		ksi-double-ratchet	dev	^0.12.4
		cargo-index-transit	dev	^0.12.3
		dhkem	dev	^0.12.4
	1	double-ratchet	dev	^0.7
	1	hyphae-handshake	dev	^0.12.4