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The Microsoft Windows platform specific Cryptographic Application Programming Interface (also known variously as CryptoAPI, Microsoft Cryptography API, MS-CAPI or simply CAPI) is an application programming interface included with Microsoft Windows operating systems that provides services to enable developers to secure Windows-based applications using cryptography.
The CAPI/CSP architecture had its origins in the era of restrictive US government controls on the export of cryptography. Microsoft's default or "base" CSP then included with Windows was limited to 512-bit RSA public-key cryptography and 40-bit symmetric cryptography, the maximum key lengths permitted in exportable mass market software at the time.
Crypto-C Micro Edition: 4.1.5 (December 17, 2020; 4 years ago () [7. Micro Edition Suite: 5.0.3 (December 3, 2024; 2 months ago () [8 Crypto-J: 7.0 (September 7, 2022; 2 years ago () [9. 6.3 (April 4, 2023; 22 months ago () [10. cryptlib: Peter Gutmann: C: Yes: Sleepycat License or commercial license: 3.4.5 (2019; 6 years ago () [11: Crypto++ ...
Although all clients and servers have to support the SHA-1 hashing algorithm, SCRAM is, unlike CRAM-MD5 or DIGEST-MD5, independent from the underlying hash function. [4] Any hash function defined by the IANA can be used instead. [5]
Algorithm Output size (bits) Internal state size [note 1] Block size Length size Word size Rounds; BLAKE2b: 512 512 1024 128 [note 2]: 64 12 BLAKE2s: 256 256 512 64 [note 3]: 32 10
SHA-2: A family of two similar hash functions, with different block sizes, known as SHA-256 and SHA-512. They differ in the word size; SHA-256 uses 32-bit words where SHA-512 uses 64-bit words. They differ in the word size; SHA-256 uses 32-bit words where SHA-512 uses 64-bit words.
Convert counter to an octet string C of length 4 with the primitive I2OSP: C = I2OSP (counter, 4) C = int. to_bytes (counter, 4, "big") # b. Concatenate the hash of the seed Z and C to the octet string T: T = T || Hash (Z || C) T += hash_func (seed + C). digest counter += 1 # 4. Output the leading l octets of T as the octet string mask. return ...
The outcome of this process was the adoption of Adam Langley's proposal for a variant of the original ChaCha20 algorithm (using 32-bit counter and 96-bit nonce) and a variant of the original Poly1305 (authenticating 2 strings) being combined in an IETF draft [5] [6] to be used in TLS and DTLS, [7] and chosen, for security and performance ...