EVP_KEM-RSA(7) - phpMan

EVP_KEM-RSA(7SSL)                            OpenSSL                            EVP_KEM-RSA(7SSL)

NAME
       EVP_KEM-RSA - EVP_KEM RSA keytype and algorithm support

DESCRIPTION
       The RSA keytype and its parameters are described in EVP_PKEY-RSA(7).  See
       EVP_PKEY_encapsulate(3) and EVP_PKEY_decapsulate(3) for more info.

   RSA KEM parameters
       "operation" (OSSL_KEM_PARAM_OPERATION) <UTF8 string>
           The OpenSSL RSA Key Encapsulation Mechanism only currently supports the following
           operation

           "RSASVE"
               The encapsulate function simply generates a secret using random bytes and then
               encrypts the secret using the RSA public key (with no padding).  The decapsulate
               function recovers the secret using the RSA private key.

           This can be set using EVP_PKEY_CTX_set_kem_op().

CONFORMING TO
       SP800-56Br2
           Section 7.2.1.2 RSASVE Generate Operation (RSASVE.GENERATE).  Section 7.2.1.3 RSASVE
           Recovery Operation (RSASVE.RECOVER).

SEE ALSO
       EVP_PKEY_CTX_set_kem_op(3), EVP_PKEY_encapsulate(3), EVP_PKEY_decapsulate(3)
       EVP_KEYMGMT(3), EVP_PKEY(3), provider-keymgmt(7)

COPYRIGHT
       Copyright 2020 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 <https://www.openssl.org/source/license.html>.

3.0.2                                       2025-09-18                          EVP_KEM-RSA(7SSL)

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