René's URL Explorer Experiment

Title: hashlib — Secure hashes and message digests — Python 3.15.0a5 documentation

Open Graph Title: hashlib — Secure hashes and message digests

Description: Source code: Lib/hashlib.py This module implements a common interface to many different hash algorithms. Included are the FIPS secure hash algorithms SHA224, SHA256, SHA384, SHA512, (defined in the...

Open Graph Description: Source code: Lib/hashlib.py This module implements a common interface to many different hash algorithms. Included are the FIPS secure hash algorithms SHA224, SHA256, SHA384, SHA512, (defined in the...

Opengraph URL: https://docs.python.org/3/library/hashlib.html

direct link

Domain: docs.python.org

og:type	website
og:site_name	Python documentation
og:image:width	1146
og:image:height	600
og:image	https://docs.python.org/3.15/_images/social_previews/summary_library_hashlib_9fcb3b95.png
og:image:alt	Source code: Lib/hashlib.py This module implements a common interface to many different hash algorithms. Included are the FIPS secure hash algorithms SHA224, SHA256, SHA384, SHA512, (defined in the...
twitter:card	summary_large_image
theme-color	#3776ab
readthedocs-addons-api-version	1

Links:

	https://www.python.org/
Table of Contents	https://docs.python.org/dev/contents.html
hashlib — Secure hashes and message digests	https://docs.python.org/dev/library/hashlib.html
Hash algorithms	https://docs.python.org/dev/library/hashlib.html#hash-algorithms
Usage	https://docs.python.org/dev/library/hashlib.html#usage
Constructors	https://docs.python.org/dev/library/hashlib.html#constructors
Attributes	https://docs.python.org/dev/library/hashlib.html#attributes
Hash Objects	https://docs.python.org/dev/library/hashlib.html#hash-objects
SHAKE variable length digests	https://docs.python.org/dev/library/hashlib.html#shake-variable-length-digests
File hashing	https://docs.python.org/dev/library/hashlib.html#file-hashing
Key derivation	https://docs.python.org/dev/library/hashlib.html#key-derivation
BLAKE2	https://docs.python.org/dev/library/hashlib.html#blake2
Creating hash objects	https://docs.python.org/dev/library/hashlib.html#creating-hash-objects
Constants	https://docs.python.org/dev/library/hashlib.html#constants
Examples	https://docs.python.org/dev/library/hashlib.html#examples
Simple hashing	https://docs.python.org/dev/library/hashlib.html#simple-hashing
Using different digest sizes	https://docs.python.org/dev/library/hashlib.html#using-different-digest-sizes
Keyed hashing	https://docs.python.org/dev/library/hashlib.html#keyed-hashing
Randomized hashing	https://docs.python.org/dev/library/hashlib.html#randomized-hashing
Personalization	https://docs.python.org/dev/library/hashlib.html#personalization
Tree mode	https://docs.python.org/dev/library/hashlib.html#tree-mode
Credits	https://docs.python.org/dev/library/hashlib.html#credits
Cryptographic Services	https://docs.python.org/dev/library/crypto.html
hmac — Keyed-Hashing for Message Authentication	https://docs.python.org/dev/library/hmac.html
Report a bug	https://docs.python.org/dev/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/hashlib.rst?plain=1
index	https://docs.python.org/dev/genindex.html
modules	https://docs.python.org/dev/py-modindex.html
next	https://docs.python.org/dev/library/hmac.html
previous	https://docs.python.org/dev/library/crypto.html
Python	https://www.python.org/
3.15.0a5 Documentation	https://docs.python.org/dev/index.html
The Python Standard Library	https://docs.python.org/dev/library/index.html
Cryptographic Services	https://docs.python.org/dev/library/crypto.html
hashlib — Secure hashes and message digests	https://docs.python.org/dev/library/hashlib.html
¶	https://docs.python.org/dev/library/hashlib.html#module-hashlib
Lib/hashlib.py	https://github.com/python/cpython/tree/main/Lib/hashlib.py
the FIPS 180-4 standard	https://csrc.nist.gov/pubs/fips/180-4/upd1/final
the FIPS 202 standard	https://csrc.nist.gov/pubs/fips/202/final
formerly part of FIPS	https://csrc.nist.gov/news/2023/decision-to-revise-fips-180-4
RFC 1321	https://datatracker.ietf.org/doc/html/rfc1321.html
zlib	https://docs.python.org/dev/library/zlib.html#module-zlib
¶	https://docs.python.org/dev/library/hashlib.html#hash-algorithms
sha256()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha256
bytes-like objects	https://docs.python.org/dev/glossary.html#term-bytes-like-object
bytes	https://docs.python.org/dev/library/stdtypes.html#bytes
update	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
digest()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.digest
hexdigest()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.hexdigest
GIL	https://docs.python.org/dev/glossary.html#term-GIL
.update	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
sha1()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha1
sha224()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha224
sha256()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha256
sha384()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha384
sha512()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha512
sha3_224()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_224
sha3_256()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_256
sha3_384()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_384
sha3_512()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_512
shake_128()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_128
shake_256()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_256
blake2b()	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b
blake2s()	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s
md5()	https://docs.python.org/dev/library/hashlib.html#hashlib.md5
algorithms_guaranteed	https://docs.python.org/dev/library/hashlib.html#hashlib.algorithms_guaranteed
hashlib	https://docs.python.org/dev/library/hashlib.html#module-hashlib
new()	https://docs.python.org/dev/library/hashlib.html#hashlib.new
algorithms_available	https://docs.python.org/dev/library/hashlib.html#hashlib.algorithms_available
Attacks on cryptographic hash algorithms	https://en.wikipedia.org/wiki/Cryptographic_hash_function#Attacks_on_cryptographic_hash_algorithms
hashlib-seealso	https://docs.python.org/dev/library/hashlib.html#hashlib-seealso
sha3_224()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_224
sha3_256()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_256
sha3_384()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_384
sha3_512()	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_512
shake_128()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_128
shake_256()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_256
blake2b()	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b
blake2s()	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s
HACL* project	https://github.com/hacl-star/hacl-star
¶	https://docs.python.org/dev/library/hashlib.html#usage
¶	https://docs.python.org/dev/library/hashlib.html#constructors
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.new
new()	https://docs.python.org/dev/library/hashlib.html#hashlib.new
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.md5
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha1
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha224
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha256
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha384
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha512
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_224
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_256
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_384
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.sha3_512
new()	https://docs.python.org/dev/library/hashlib.html#hashlib.new
¶	https://docs.python.org/dev/library/hashlib.html#attributes
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.algorithms_guaranteed
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.algorithms_available
new()	https://docs.python.org/dev/library/hashlib.html#hashlib.new
algorithms_guaranteed	https://docs.python.org/dev/library/hashlib.html#hashlib.algorithms_guaranteed
¶	https://docs.python.org/dev/library/hashlib.html#hash-objects
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.digest_size
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.block_size
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.name
new()	https://docs.python.org/dev/library/hashlib.html#hashlib.new
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
bytes-like object	https://docs.python.org/dev/glossary.html#term-bytes-like-object
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.digest
update()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
digest_size	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.digest_size
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.hexdigest
digest()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.digest
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.copy
¶	https://docs.python.org/dev/library/hashlib.html#shake-variable-length-digests
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_128
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_256
shake_128()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_128
shake_256()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake_256
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.shake.digest
update()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.shake.hexdigest
digest()	https://docs.python.org/dev/library/hashlib.html#hashlib.shake.digest
¶	https://docs.python.org/dev/library/hashlib.html#file-hashing
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.file_digest
open()	https://docs.python.org/dev/library/functions.html#open
BytesIO	https://docs.python.org/dev/library/io.html#io.BytesIO
socket.socket.makefile()	https://docs.python.org/dev/library/socket.html#socket.socket.makefile
BlockingIOError	https://docs.python.org/dev/library/exceptions.html#BlockingIOError
fileno()	https://docs.python.org/dev/library/io.html#io.IOBase.fileno
BlockingIOError	https://docs.python.org/dev/library/exceptions.html#BlockingIOError
¶	https://docs.python.org/dev/library/hashlib.html#key-derivation
salt	https://en.wikipedia.org/wiki/Salt_%28cryptography%29
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.pbkdf2_hmac
os.urandom()	https://docs.python.org/dev/library/os.html#os.urandom
NIST-SP-800-132	https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf
stackexchange pbkdf2 iterations question	https://security.stackexchange.com/questions/3959/recommended-of-iterations-when-using-pbkdf2-sha256/
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.scrypt
RFC 7914	https://datatracker.ietf.org/doc/html/rfc7914.html
bytes-like objects	https://docs.python.org/dev/glossary.html#term-bytes-like-object
os.urandom()	https://docs.python.org/dev/library/os.html#os.urandom
¶	https://docs.python.org/dev/library/hashlib.html#blake2
BLAKE2	https://www.blake2.net
RFC 7693	https://datatracker.ietf.org/doc/html/rfc7693.html
HMAC	https://en.wikipedia.org/wiki/Hash-based_message_authentication_code
hashlib	https://docs.python.org/dev/library/hashlib.html#module-hashlib
¶	https://docs.python.org/dev/library/hashlib.html#creating-hash-objects
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s
bytes-like object	https://docs.python.org/dev/glossary.html#term-bytes-like-object
constants	https://docs.python.org/dev/library/hashlib.html#constants
BLAKE2 specification	https://www.blake2.net/blake2_20130129.pdf
¶	https://docs.python.org/dev/library/hashlib.html#constants
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b.SALT_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s.SALT_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b.PERSON_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s.PERSON_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b.MAX_KEY_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s.MAX_KEY_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b.MAX_DIGEST_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s.MAX_DIGEST_SIZE
¶	https://docs.python.org/dev/library/hashlib.html#examples
¶	https://docs.python.org/dev/library/hashlib.html#simple-hashing
blake2b()	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2b
blake2s()	https://docs.python.org/dev/library/hashlib.html#hashlib.blake2s
update()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
digest()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.digest
hexdigest()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.hexdigest
hash.update()	https://docs.python.org/dev/library/hashlib.html#hashlib.hash.update
¶	https://docs.python.org/dev/library/hashlib.html#using-different-digest-sizes
¶	https://docs.python.org/dev/library/hashlib.html#keyed-hashing
Hash-based message authentication code	https://en.wikipedia.org/wiki/HMAC
hmac	https://docs.python.org/dev/library/hmac.html#module-hmac
¶	https://docs.python.org/dev/library/hashlib.html#randomized-hashing
NIST SP-800-106 “Randomized Hashing for Digital Signatures”	https://csrc.nist.gov/pubs/sp/800/106/final
BLAKE2 FAQ	https://www.blake2.net/#qa
¶	https://docs.python.org/dev/library/hashlib.html#personalization
The Skein Hash Function Family	https://www.schneier.com/wp-content/uploads/2016/02/skein.pdf
¶	https://docs.python.org/dev/library/hashlib.html#tree-mode
¶	https://docs.python.org/dev/library/hashlib.html#credits
BLAKE2	https://www.blake2.net
SHA-3	https://en.wikipedia.org/wiki/Secure_Hash_Algorithms
BLAKE	https://web.archive.org/web/20200918190133/https://131002.net/blake/
ChaCha	https://cr.yp.to/chacha.html
pyblake2	https://pythonhosted.org/pyblake2/
pyblake2	https://pythonhosted.org/pyblake2/
https://creativecommons.org/publicdomain/zero/1.0/	https://creativecommons.org/publicdomain/zero/1.0/
hmac	https://docs.python.org/dev/library/hmac.html#module-hmac
base64	https://docs.python.org/dev/library/base64.html#module-base64
https://nvlpubs.nist.gov/nistpubs/fips/nist.fips.180-4.pdf	https://nvlpubs.nist.gov/nistpubs/fips/nist.fips.180-4.pdf
https://csrc.nist.gov/pubs/fips/202/final	https://csrc.nist.gov/pubs/fips/202/final
https://www.blake2.net/	https://www.blake2.net/
https://en.wikipedia.org/wiki/Cryptographic_hash_function	https://en.wikipedia.org/wiki/Cryptographic_hash_function
https://www.ietf.org/rfc/rfc8018.txt	https://www.ietf.org/rfc/rfc8018.txt
https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf	https://nvlpubs.nist.gov/nistpubs/Legacy/SP/nistspecialpublication800-132.pdf
Table of Contents	https://docs.python.org/dev/contents.html
hashlib — Secure hashes and message digests	https://docs.python.org/dev/library/hashlib.html
Hash algorithms	https://docs.python.org/dev/library/hashlib.html#hash-algorithms
Usage	https://docs.python.org/dev/library/hashlib.html#usage
Constructors	https://docs.python.org/dev/library/hashlib.html#constructors
Attributes	https://docs.python.org/dev/library/hashlib.html#attributes
Hash Objects	https://docs.python.org/dev/library/hashlib.html#hash-objects
SHAKE variable length digests	https://docs.python.org/dev/library/hashlib.html#shake-variable-length-digests
File hashing	https://docs.python.org/dev/library/hashlib.html#file-hashing
Key derivation	https://docs.python.org/dev/library/hashlib.html#key-derivation
BLAKE2	https://docs.python.org/dev/library/hashlib.html#blake2
Creating hash objects	https://docs.python.org/dev/library/hashlib.html#creating-hash-objects
Constants	https://docs.python.org/dev/library/hashlib.html#constants
Examples	https://docs.python.org/dev/library/hashlib.html#examples
Simple hashing	https://docs.python.org/dev/library/hashlib.html#simple-hashing
Using different digest sizes	https://docs.python.org/dev/library/hashlib.html#using-different-digest-sizes
Keyed hashing	https://docs.python.org/dev/library/hashlib.html#keyed-hashing
Randomized hashing	https://docs.python.org/dev/library/hashlib.html#randomized-hashing
Personalization	https://docs.python.org/dev/library/hashlib.html#personalization
Tree mode	https://docs.python.org/dev/library/hashlib.html#tree-mode
Credits	https://docs.python.org/dev/library/hashlib.html#credits
Cryptographic Services	https://docs.python.org/dev/library/crypto.html
hmac — Keyed-Hashing for Message Authentication	https://docs.python.org/dev/library/hmac.html
Report a bug	https://docs.python.org/dev/bugs.html
Show source	https://github.com/python/cpython/blob/main/Doc/library/hashlib.rst?plain=1
index	https://docs.python.org/dev/genindex.html
modules	https://docs.python.org/dev/py-modindex.html
next	https://docs.python.org/dev/library/hmac.html
previous	https://docs.python.org/dev/library/crypto.html
Python	https://www.python.org/
3.15.0a5 Documentation	https://docs.python.org/dev/index.html
The Python Standard Library	https://docs.python.org/dev/library/index.html
Cryptographic Services	https://docs.python.org/dev/library/crypto.html
hashlib — Secure hashes and message digests	https://docs.python.org/dev/library/hashlib.html
Copyright	https://docs.python.org/dev/copyright.html
History and License	https://docs.python.org/license.html
Please donate.	https://www.python.org/psf/donations/
Found a bug	https://docs.python.org/bugs.html
Sphinx	https://www.sphinx-doc.org/

Viewport: width=device-width, initial-scale=1.0

URLs of crawlers that visited me.