Hkdf

Hkdf is used at run time in 2,873 crates (of which 650 optionally). It is a direct run-time dependency in 239 crates. It's used at build time in 1 crate (). It's used only as a dev dependency in 111 crates (of which 5 directly).

Number of dependers	Hkdf version	Downloads/month
2	0.13.0-pre.5	3.5K
2	0.13.0-pre.4	5.2K
2,686	0.12.4	4.1M
86	0.11.0	75K
146	0.10.0	168K
4	0.9.0	5.6K
55	0.8.0	5.0K
3	0.7.1	4.2K
1	0.4.0	0

Depender (with downloads and own rev deps)			Hkdf version
2.3M	8	sqlx-mysql		^0.12.0
2.3M	10	sqlx-postgres		^0.12.0
3.4M	254	cookie	optional	^0.12.0
4.1M	146	elliptic-curve	optional	^0.12.1
188K	13	hpke		^0.12
457K	98	libp2p-identity	optional	^0.12.4
101K	41	pgp		^0.12.4
78K	4	discv5		^0.12
195K	15	secret-service	optional	^0.12.0
53K	2	tink-prf		^0.12.4
53K	12	tink-core		^0.12.4
35K	5	webrtc-dtls		^0.12
26K	10	age-core		^0.12
24K	19	chia-bls		^0.12.0
64K	1	dbus-secret-service	optional	^0.12
20K	3	hpke-rs-rust-crypto		^0.12
18K	5	spake2		^0.12
56K	3	shadowsocks-crypto	optional	^0.12
13K	5	fastcrypto		^0.12.3
11K	6	iota_stronghold		^0.12
11K	18	tor-proto		^0.12.0
31K	68	sequoia-openpgp	optional	^0.12
9.6K	7	vodozemac		^0.12.4
9.5K	18	ecies		^0.12.4
28K	2	oo7	optional	^0.12
24K	8	sp-statement-store	optional	^0.12.0
6.7K	1	ic-ed25519		^0.12
6.6K	8	opaque-ke		^0.12
20K	28	iota-crypto	optional	^0.12
5.4K	11	deno_node		^0.12.3
5.2K	2	embedded-tls		^0.12.3
4.5K	7	bitwarden-crypto		>=0.12.3, <0.13
4.1K	4	bc-crypto		^0.12.3
4.0K	6	matrix-sdk-crypto		^0.12.4
3.5K	1	lakers-crypto-rustcrypto		^0.12.3
3.4K	1	liboscore-cryptobackend		^0.12
3.2K	2	sphinx-packet		^0.12.4
2.9K	6	blsful		^0.12
2.9K	2	provenance-mark		^0.12.3
9.1K	3	ece	optional	^0.12
2.8K	1	matrix-sdk-indexeddb		^0.12.4
2.6K	3	rust-bls-bn254		^0.12.4
1.8K	5	openmls_rust_crypto		^0.12
1.5K	4	secret-toolkit-crypto		^0.12.3
1.5K	3	bbs		^0.8
4.6K	18	ssi-crypto	optional	^0.8
1.3K	1	sn_bls_ckd		^0.12.3
1.2K	1	x3dh-ke		^0.11.0
1.1K	1	tendermint-p2p		^0.12.3
1.1K		kassandra-client		^0.12.4
1.1K	2	bitcoin-hpke		^0.12
1.1K	2	biscotti		^0.12
3.7K	10	bls-signatures	optional	^0.11.0
1.0K	1	walletconnect-client		^0.12
1.0K	18	zino-core		^0.12.4
900		kychacha_crypto		^0.12.4
900		pake-kem		^0.13.0-pre.4
800		ncryptf-rs		^0.12.3
750	2	gnip44		^0.12
750	3	did-key		^0.11
750	1	mutant-lib		^0.12
700	19	dock_crypto_utils		^0.12.3
650	9	ic_cose_types		^0.12
550	2	ecies_25519		^0
550	4	ant-networking		^0.12
500	2	mla		^0
500	16	chik-bls		^0.12.0
500	1	nostro2-nips		^0.12
480		bls_on_arkworks		^0.12.3
1.9K	5	askar-crypto	optional	^0.12
420	8	phoenix-core		^0.12
1.7K	2	ohttp	optional	^0.11
390	9	paired		^0.10.0
370		clavis		^0.12
360	3	hpke_pq		^0.12
340		syd		^0.12
330		wolfpack		^0.12.4
310	2	odoh-rs		^0.12
300	1	zero_vault_core		^0.12
290		solana-ecies		^0.12.4
270	2	umbral-pre		^0.12
260		double-ratchet-2		^0.11.0
240		mls-rs-crypto-rustcrypto		^0.12
1.1K	2	sqlx-core-oldapi	optional	^0.12.0
220		shakejo		^0.12
220		rbw		^0.12.4
210		libes		^0.12
190	1	ffsend-api		^0.11
1.1K	3	bitcoin-ohttp	optional	^0.11
190		ether-link		^0.12.4
180	5	dusk-wallet-core		^0.12.3
180	2	strong-box		^0.12
180	3	magic-wormhole		^0.12.2
160		cryptid-rs		^0.12.4
1.0K		seshat	optional	^0.11.0
160	2	cosmian_crypto_base		^0.12
160	1	crypto-glue		^0.12.4
150	3	cryptimitives		^0.12
140		nucypher-core		^0.12.3
140	2	portal-lib		^0.9.0
120	2	rtc-dtls		^0.12.4
120	1	rust-ipfs		^0.12.4
110	1	entropy-tss		^0.12.4
100		tide-csrf		^0.11.0
		field-encryption		^0.12.3
	6	threshold-bls		^0.8
	1	mega		^0.12.4
		tmuntaner-keyring		^0.12
	1	cyfs-ecies		^0.8.0
		signature_ps		^0.11
	1	autoschematic-cli		^0.12.4
	12	ockam_vault		^0.12
		ss-rs		^0.12.3
		QuantCrypt		^0.12.4
	2	sphinxcrypto		^0.8.0
		suricata		~0.12.3
600	1	ecies-ed25519	optional	^0.10.0
	2	rust_keylock		^0.12
		ssh-vault		^0.12.4
	1	sym-crypto		^0.10.0
	3	edm-core		^0.12.4
	1	ece-native		^0.12.4
		generic-ecies		^0.12
	1	pass-fxa-lib		^0.11.0
	6	dg_xch_core		^0.12.4
	3	dg_xch_keys		^0.12.4
	2	uni_vault		^0.12.4
	3	signature_to_keys		^0.12.4
		async-psec		^0.11
		fs-encrypt		0.12.*
		kemeleon		^0.12.4
		vru-noise		^0.12.3
	1	w5500-tls		^0.12
		handshake		^0.12
		baru		^0.11
	1	quik-crypto		^0.12.4
		secretrs		^0.12.4
	1	distant-net		^0.12.3
	1	ntge-core		^0.8.0
		p2ps		^0.12.4
		web-push-native		^0.12.4
	2	wildland-crypto		^0.12
	4	diem-crypto		^0.10.0
		libwebauthn		^0.12
	2	sentc-crypto-std-keys		^0.12.3
		bls_sigs_ref		^0.8.0
		cryptoballot		^0.8.0
		kinode		^0.12.3
	4	signature_bls		^0.11
		bls12_381_ietf		^0.8.0
		devolutions-crypto-wayk		^0.10
		ironfish		^0.12.4
		m365		^0.12.0
		double-ratchet-signal		^0.7
		light-double-ratchet		^0.12.4
	1	volt-ws-protocol		^0.12.4
		vpgp		^0.12.4
		aloha		^0.12
		contact-tracing		^0.8.0
		plabble-codec		>=0.12
		rusty-dtls		^0.12.4
		bwtui		^0.8.0
		matc		^0.12.4
	1	oblivion		^0.12
		rpi-derive-key		^0.12
		dwn-node		^0.12.4
		kyber-rs		^0.12.3
		msecret		^0.12
	2	sn_networking		^0.12
		voynich		^0.12.3
	2	wasi-crypto		^0.12.3
		atomic_web_push		^0.12.4
		cpace		^0.8
		dapol		^0.12.3
		liboxyd		^0.12.3
		modified_bbs_for_PoC		^0.8
	1	secret-toolkit-notification		^0.12.3
		tmkms		^0.12
	1	blastkids		^0.12.3
		cmail-rpgp		^0.12.4
	1	diem-framework-crypto		^0.10.0
		mim		0.12.*
		qfe		^0.12.4
		wasefire-stub		^0.12.4
		illusion		^0.12.3
		libjayjeer		^0.12.3
		bls_ckd		^0.12.3
		edhoc		^0.8.0
		qls-proto-utils		^0.12.4
		sear		^0.4
		signal-backup-decode		^0.10
	1	torrosion		^0.12
		umbral-rs		^0.9.0
		bls_sigs_ref-rs		^0.8.0
		chinilla-bls		=0.11.0
		drogue-tls		^0.10.0
		hexgate		^0.12.4
		oxyd		^0.12.3
		double-ratchet-rs		^0.12
		obfs4		^0.12.3
		ratchet		^0.8
		reticulum		^0.12
		secret-service-server-rs		^0.12.4
		welds-sqlx-mssql		^0.12.0
		bitwarden-pin		^0.12.3
		credibil-dwn		^0.12.4
	3	deadbolt-crypto		^0.12.3
		deterministic-pgp-keys		^0.11.0
		hsm2descriptors		^0.10.0
		mlar		^0
	1	ockam_signature_bls		^0.10
	1	sqlx-etorreborre-postgres		^0.12.0
		wamu-core		^0.12.3
	69	aptos-crypto		^0.10.0
		aptos-crypto-link		^0.10.0
		aries-bbssignatures		^0.8
	2	navajo		^0.12
	1	rwarden_crypto		^0.11.0
	1	sqlx-build-trust-postgres		^0.12.0
		wedpr_ecies		^0.11.0
		seismic-enclave		^0.12
440		ursa	optional	^0.11.0
280		tiny-oidc-rp	optional	^0.12
150		sframe	optional	^0.12
110	15	product-os-security	optional	^0.12.4
	15	moonramp-core	optional	^0.12.3
		coffio	optional	^0.12.4
	1	cookie-hashed-domain	optional	^0.11.0
	1	ecies-ed25519-silene	optional	^0.12.4
		hmac-serialiser	optional	^0.12.4
		nym-crypto	optional	^0.12.3
		pasta-tokens	optional	^0.12.3
		rej	optional	^0.13.0-pre.4
		rmls	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
160		wolf-crypto	dev	^0.12.4
140		dhkem	dev	^0.12.4
	1	double-ratchet	dev	^0.7
	1	hyphae-handshake	dev	^0.12.4
		cargo-index-transit	dev	^0.12.3
		ksi-double-ratchet	dev	^0.12.4