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- =pod
- =head1 NAME
- ossl_decoder_get_number, evp_md_get_number, evp_cipher_get_number,
- evp_mac_get_number, evp_rand_get_number, evp_keymgmt_get_number,
- evp_signature_get_number, evp_asym_cipher_get_number, evp_kem_get_number,
- evp_keyexch_get_number, evp_kdf_get_number, ossl_encoder_get_number,
- ossl_store_loader_get_number - EVP get internal identification numbers
- =head1 SYNOPSIS
- #include <crypto/evp.h>
- int evp_asym_cipher_get_number(const EVP_ASYM_CIPHER *cipher);
- int evp_cipher_get_number(const EVP_CIPHER *e);
- int evp_kdf_get_number(const EVP_KDF *kdf);
- int evp_kem_get_number(const EVP_KEM *kem);
- int evp_keyexch_get_number(const EVP_KEYEXCH *exchange);
- int evp_keymgmt_get_number(const EVP_KEYMGMT *keymgmt);
- int evp_mac_get_number(const EVP_MAC *mac);
- int evp_md_get_number(const EVP_MD *md);
- int evp_rand_get_number(const EVP_RAND *rand);
- int evp_signature_get_number(const EVP_SIGNATURE *signature);
- int ossl_decoder_get_number(const OSSL_DECODER *decoder);
- int ossl_encoder_get_number(const OSSL_ENCODER *encoder);
- int ossl_store_loader_get_number(const OSSL_STORE_LOADER *loader);
- =head1 DESCRIPTION
- All provided algorithms get an associated integer identification number.
- This number is dynamic and should be expected to vary from run to run.
- These numbers should only be considered to be unique per provider per
- library context.
- =over 4
- =item evp_asym_cipher_get_number()
- Returns the internal dynamic number assigned to I<cipher>.
- =item evp_cipher_get_number()
- Returns the internal dynamic number assigned to the I<cipher>. This is only
- useful with fetched B<EVP_CIPHER>s.
- =item evp_kdf_get_number()
- Keturns the internal dynamic number assigned to I<kdf>.
- =item evp_kem_get_number()
- Returns the internal dynamic number assigned to I<kem>.
- =item evp_keyexch_get_number()
- Returns the internal dynamic number assigned to the I<exchange>.
- =item evp_keymgmt_get_number()
- Returns the internal dynamic number assigned to the I<keymgmt>.
- =item evp_mac_get_number()
- Returns the internal dynamic number assigned to I<mac>.
- =item evp_md_get_number()
- Returns the internal dynamic number assigned to the I<md>. This is
- only useful with fetched B<EVP_MD>s.
- =item evp_rand_get_number()
- Returns the internal dynamic number assigned to I<rand>.
- =item evp_signature_get_number()
- Returns the internal dynamic number assigned to I<signature>.
- =item ossl_decoder_get_number()
- Returns the internal dynamic number assigned to the given I<decoder>.
- =item ossl_encoder_get_number()
- Returns the internal dynamic number assigned to the given I<encoder>.
- =item ossl_store_loader_get_number()
- Returns the internal dynamic number assigned to the given I<loader>.
- =back
- =head1 RETURN VALUES
- All of these functions return the provider specific identification number
- for the specified algorithm.
- =head1 HISTORY
- This functionality was added to OpenSSL 3.0.
- =head1 COPYRIGHT
- Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
- Licensed under the Apache License 2.0 (the "License"). You may not use
- this file except in compliance with the License. You can obtain a copy
- in the file LICENSE in the source distribution or at
- L<https://www.openssl.org/source/license.html>.
- =cut
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