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Title "PKCS12_GEN_MAC 3ossl" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
PKCS12_gen_mac, PKCS12_setup_mac, PKCS12_set_mac, PKCS12_verify_mac - Functions to create and manipulate a PKCS#12 structure Header "SYNOPSIS" .Vb 1 #include <openssl/pkcs12.h> \& int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen, unsigned char *mac, unsigned int *maclen); int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen); int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen, unsigned char *salt, int saltlen, int iter, const EVP_MD *md_type); int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen, const EVP_MD *md_type); .Ve Header "DESCRIPTION" \fBPKCS12_gen_mac() generates an \s-1HMAC\s0 over the entire PKCS#12 object using the supplied password along with a set of already configured parameters. The default key generation mechanism used is \s-1PKCS12KDF.\s0

\fBPKCS12_verify_mac() verifies the PKCS#12 object's \s-1HMAC\s0 using the supplied password.

\fBPKCS12_setup_mac() sets the \s-1MAC\s0 part of the PKCS#12 structure with the supplied parameters.

\fBPKCS12_set_mac() sets the \s-1MAC\s0 and \s-1MAC\s0 parameters into the PKCS#12 object.

\fIpass is the passphrase to use in the \s-1HMAC.\s0 salt is the salt value to use, \fIiter is the iteration count and md_type is the message digest function to use.

Header "NOTES" If salt is \s-1NULL\s0 then a suitable salt will be generated and used.

If iter is 1 then an iteration count will be omitted from the PKCS#12 structure.

\fBPKCS12_gen_mac(), PKCS12_verify_mac() and PKCS12_set_mac() make assumptions regarding the encoding of the given passphrase. See passphrase-encoding\|(7) for more information.

Header "RETURN VALUES" All functions return 1 on success and 0 if an error occurred. Header "CONFORMING TO" \s-1IETF RFC 7292\s0 (<https://tools.ietf.org/html/rfc7292>) Header "SEE ALSO" \fBd2i_PKCS12\|(3), \s-1EVP_KDF-PKCS12KDF\s0\|(7), \fBPKCS12_create\|(3), \fBpassphrase-encoding\|(7) Header "COPYRIGHT" Copyright 2021-2023 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.