| Qore Programming Language Reference Manual 2.2.0

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Variables
Crytographic Digest Algorithms

## Variables
const | Qore::CRYPTO_DIGEST_DSS = "dss"
| specifies the DSS message digest (based on SHA-0 and DSA)
const | Qore::CRYPTO_DIGEST_DSS1 = "dss1"
| specifies the DSS1 message digest (based on SHA1 and DSA)
const | Qore::CRYPTO_DIGEST_MD2 = "md2"
| specifies the MD2 message digest
const | Qore::CRYPTO_DIGEST_MD4 = "md4"
| specifies the MD4 message digest
const | Qore::CRYPTO_DIGEST_MD5 = "md5"
| specifies the MD5 message digest
const | Qore::CRYPTO_DIGEST_MDC2 = "mdc2"
| specifies the MDC2 message digest
const | Qore::CRYPTO_DIGEST_RIPEMD160 = "ripemd160"
| specifies the RIPEMD message digest
const | Qore::CRYPTO_DIGEST_SHA = "sha"
| specifies the insecure and outdated SHA-0 message digest; only supplied for compatibility purposes
const | Qore::CRYPTO_DIGEST_SHA1 = "sha1"
| specifies the SHA1 message digest
const | Qore::CRYPTO_DIGEST_SHA224 = "sha224"
| specifies the SHA-224 message digest (a variant of SHA-2)
const | Qore::CRYPTO_DIGEST_SHA256 = "sha256"
| specifies the SHA-256 message digest (a variant of SHA-2)
const | Qore::CRYPTO_DIGEST_SHA384 = "sha384"
| specifies the SHA-384 message digest (a variant of SHA-2)
const | Qore::CRYPTO_DIGEST_SHA512 = "sha512"
| specifies the SHA-512 message digest (a variant of SHA-2)
const | Qore::CipherMap = qore(init_cipher_map_hash())
| A hash keyed by supported cipher name where each value is an informational hash.
const | Qore::DigestMap = qore(init_digest_map_hash())
| A hash keyed by supported digest name where each value is True.

## Detailed Description

The following constants can be used with the digest() and hmac() functions to calculate cryptographic digests and HMACs on input data.

Example:
  Qore::FileOutputStream of("my-file.txt");
  Qore::TransformOutputStream ts(of, get_decryptor(Qore::CRYPTO_ALG_BLOWFISH));
  Qore::FileOutputStream
  This class implements the OutputStream interface for writing bytes to a file.
  Definition QC_FileOutputStream.dox.h:28
  Qore::TransformOutputStream
  This class implements the OutputStream interface for writing bytes to another OutputStream while appl...
  Definition QC_TransformOutputStream.dox.h:17
  Qore::CRYPTO_ALG_BLOWFISH
  const CRYPTO_ALG_BLOWFISH
  Identifies the blowfish cryptographic algorithm in Cipher Block Chaining (CBC) mode with a variable-l...
  Definition ql_crypto.dox.h:2228
  Qore::get_decryptor
  Transform get_decryptor(string alg, data key, data iv=Qore::DefaultIV, *data mac, *data aad)
  Returns a Transform object for decrypting data using the given algorithm for use with TransformInputS...

These constants are useful in the following functions:

- Qore::digest()
- Qore::hmac()

Since
  Qore 0.9.3

## Variable Documentation

## ◆ CipherMap

const Qore::CipherMap = qore(init_cipher_map_hash())

A hash keyed by supported cipher name where each value is an informational hash.

Note
  If Qore is compiled with OpenSSL 3+, it will use dynamic lookups of all ciphers known to the OpenSSL library, so cipher names not included as keys in this hash may also be recognized as aliases for known ciphers

Since
  Qore 1.4

## ◆ DigestMap

const Qore::DigestMap = qore(init_digest_map_hash())

A hash keyed by supported digest name where each value is True.

Since
  Qore 0.9.3

Note
  If Qore is compiled with OpenSSL 3+, it will use dynamic lookups of all digests known to the OpenSSL library, so digest names not included as keys in this hash may also be recognized as aliases for known digests