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https://github.com/ipxe/ipxe
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[crypto] Add support for HKDF key derivation
Add support for the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as used in TLS version 1.3 and defined in RFC 5869. Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
@@ -0,0 +1,108 @@
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/*
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* Copyright (C) 2026 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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FILE_SECBOOT ( PERMITTED );
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/** @file
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*
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* HMAC-based Extract-and-Expand Key Derivation Function (HKDF)
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*
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* The algorithm is defined in RFC 5869, with its usage by TLS 1.3
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* documented in RFC 8446 section 7.1.
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*
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*/
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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#include <ipxe/crypto.h>
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#include <ipxe/hmac.h>
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#include <ipxe/hkdf.h>
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/**
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* Extract fixed-length pseudorandom key
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*
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* @v digest Digest algorithm
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* @v salt Salt value (or NULL)
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* @v salt_len Length of salt value
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* @v ikm Input keying material
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* @v ikm_len Length of input keying material
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* @v prk Pseudorandom key to fill in
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*/
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void hkdf_extract ( struct digest_algorithm *digest, const void *salt,
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size_t salt_len, const void *ikm, size_t ikm_len,
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void *prk ) {
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uint8_t ctx[ hmac_ctxsize ( digest ) ];
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/* Use all-zero salt if not specified */
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if ( ! salt ) {
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assert ( salt_len == 0 );
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salt_len = digest->digestsize;
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memset ( prk, 0, salt_len );
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salt = prk;
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}
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/* Calculate pseudorandom key */
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hmac_init ( digest, ctx, salt, salt_len );
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hmac_update ( digest, ctx, ikm, ikm_len );
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hmac_final ( digest, ctx, prk );
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}
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/**
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* Expand pseudorandom key
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*
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* @v digest Digest algorithm
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* @v prk Pseudorandom key
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* @v info Additional information (or NULL)
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* @v info_len Length of additional information
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* @v out Output keying material
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* @v len Length of output keying material
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*/
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void hkdf_expand ( struct digest_algorithm *digest, const void *prk,
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const void *info, size_t info_len, void *out, size_t len ) {
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size_t digestsize = digest->digestsize;
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uint8_t ctx[ hmac_ctxsize ( digest ) ];
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uint8_t hash[digestsize];
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uint8_t index = 0;
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size_t frag_len;
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while ( len ) {
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/* Calculate T(n) */
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hmac_init ( digest, ctx, prk, digestsize );
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if ( index++ )
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hmac_update ( digest, ctx, hash, digestsize );
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hmac_update ( digest, ctx, info, info_len );
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hmac_update ( digest, ctx, &index, sizeof ( index ) );
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hmac_final ( digest, ctx, hash );
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/* Copy to output buffer */
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frag_len = len;
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if ( frag_len > digestsize )
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frag_len = digestsize;
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memcpy ( out, hash, frag_len );
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out += frag_len;
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len -= frag_len;
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}
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}
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@@ -0,0 +1,22 @@
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#ifndef _IPXE_HKDF_H
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#define _IPXE_HKDF_H
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/** @file
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*
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* HMAC-based Extract-and-Expand Key Derivation Function (HKDF)
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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FILE_SECBOOT ( PERMITTED );
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#include <ipxe/crypto.h>
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extern void hkdf_extract ( struct digest_algorithm *digest, const void *salt,
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size_t salt_len, const void *ikm, size_t ikm_len,
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void *prk );
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extern void hkdf_expand ( struct digest_algorithm *digest, const void *prk,
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const void *info, size_t info_len, void *out,
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size_t len );
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#endif /* _IPXE_HKDF_H */
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@@ -0,0 +1,319 @@
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/*
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* Copyright (C) 2026 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
|
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
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* General Public License for more details.
|
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*
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* HKDF self-tests
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*
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* These test vectors are taken from RFC 5869 Appendix A.
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*/
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/* Forcibly enable assertions */
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#undef NDEBUG
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#include <string.h>
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#include <ipxe/crypto.h>
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#include <ipxe/sha1.h>
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#include <ipxe/sha256.h>
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#include <ipxe/hkdf.h>
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#include <ipxe/test.h>
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/** Define inline input keying material */
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#define IKM(...) { __VA_ARGS__ }
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/** Define inline salt */
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#define SALT(...) { __VA_ARGS__ }
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/** Define inline additional information */
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#define INFO(...) { __VA_ARGS__ }
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/** Define inline expected pseudorandom key */
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#define PRK(...) { __VA_ARGS__ }
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/** Define inline expected output keying material */
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#define OKM(...) { __VA_ARGS__ }
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/** An HKDF self-test */
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struct hkdf_test {
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/** Digest algorithm */
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struct digest_algorithm *digest;
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/** Input keying material */
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const void *ikm;
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/** Length of input keying material */
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size_t ikm_len;
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/** Salt */
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const void *salt;
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/** Length of salt */
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size_t salt_len;
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/** Additional information */
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const void *info;
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/** Length of additional information */
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size_t info_len;
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/** Expected pseudorandom key */
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const void *prk;
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/** Length of expected pseudorandom key */
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size_t prk_len;
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/** Expected output keying material */
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const void *okm;
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/** Length of expected output keying material */
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size_t okm_len;
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};
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/**
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* Define an HKDF test
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*
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* @v name Test name
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* @v DIGEST Digest algorithm
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* @v SALTED Use salt value
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* @v IKM Input keying material
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* @v SALT Salt
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* @v INFO Additional information
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* @v PRK Expected pseudorandom key
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* @v OKM Expected output keying material
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*/
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#define HKDF_TEST( name, DIGEST, SALTED, IKM, SALT, INFO, PRK, OKM ) \
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static const uint8_t name ## _ikm[] = IKM; \
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static const uint8_t name ## _salt[] = SALT; \
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static const uint8_t name ## _info[] = INFO; \
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static const uint8_t name ## _prk[] = PRK; \
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static const uint8_t name ## _okm[] = OKM; \
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static struct hkdf_test name = { \
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.digest = DIGEST, \
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.ikm = name ## _ikm, \
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.ikm_len = sizeof ( name ## _ikm ), \
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.salt = ( SALTED ? name ## _salt : NULL ), \
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.salt_len = sizeof ( name ## _salt ), \
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.info = name ## _info, \
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.info_len = sizeof ( name ## _info ), \
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.prk = name ## _prk, \
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.prk_len = sizeof ( name ## _prk ), \
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.okm = name ## _okm, \
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.okm_len = sizeof ( name ## _okm ), \
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}
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/**
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* Report an HKDF test result
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*
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* @v test HKDF test
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* @v file Test code file
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* @v line Test code line
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*/
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static void hkdf_okx ( struct hkdf_test *test, const char *file,
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unsigned int line ) {
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size_t digestsize = test->digest->digestsize;
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uint8_t prk[digestsize];
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uint8_t okm[test->okm_len];
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/* Sanity checks */
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okx ( ( test->salt != NULL ) || ( test->salt_len == 0 ), file, line );
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okx ( test->prk_len == digestsize, file, line );
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/* Test extraction */
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hkdf_extract ( test->digest, test->salt, test->salt_len, test->ikm,
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test->ikm_len, prk );
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okx ( memcmp ( prk, test->prk, digestsize ) == 0, file, line );
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/* Test expansion */
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hkdf_expand ( test->digest, test->prk, test->info, test->info_len,
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okm, sizeof ( okm ) );
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okx ( memcmp ( okm, test->okm, test->okm_len ) == 0, file, line );
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}
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#define hkdf_ok( test ) hkdf_okx ( test, __FILE__, __LINE__ )
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/** RFC 5869 test case 1: Basic test case with SHA-256 */
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HKDF_TEST ( hkdf_test_1, &sha256_algorithm, 1,
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IKM ( 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
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0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
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0x0b, 0x0b ),
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SALT ( 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
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0x0a, 0x0b, 0x0c ),
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INFO ( 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9 ),
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PRK ( 0x07, 0x77, 0x09, 0x36, 0x2c, 0x2e, 0x32, 0xdf, 0x0d, 0xdc,
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0x3f, 0x0d, 0xc4, 0x7b, 0xba, 0x63, 0x90, 0xb6, 0xc7, 0x3b,
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0xb5, 0x0f, 0x9c, 0x31, 0x22, 0xec, 0x84, 0x4a, 0xd7, 0xc2,
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0xb3, 0xe5 ),
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OKM ( 0x3c, 0xb2, 0x5f, 0x25, 0xfa, 0xac, 0xd5, 0x7a, 0x90, 0x43,
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0x4f, 0x64, 0xd0, 0x36, 0x2f, 0x2a, 0x2d, 0x2d, 0x0a, 0x90,
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0xcf, 0x1a, 0x5a, 0x4c, 0x5d, 0xb0, 0x2d, 0x56, 0xec, 0xc4,
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0xc5, 0xbf, 0x34, 0x00, 0x72, 0x08, 0xd5, 0xb8, 0x87, 0x18,
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0x58, 0x65 ) );
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/** RFC 5869 test case 2: Test with SHA-256 and longer inputs/outputs */
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HKDF_TEST ( hkdf_test_2, &sha256_algorithm, 1,
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IKM ( 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
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0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
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0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
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0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
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0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31,
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0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
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0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45,
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0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f ),
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SALT ( 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
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0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73,
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0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d,
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0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
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0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91,
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0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b,
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0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5,
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0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf ),
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INFO ( 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
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0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3,
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0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd,
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0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
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0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1,
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0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
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0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5,
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0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff ),
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PRK ( 0x06, 0xa6, 0xb8, 0x8c, 0x58, 0x53, 0x36, 0x1a, 0x06, 0x10,
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0x4c, 0x9c, 0xeb, 0x35, 0xb4, 0x5c, 0xef, 0x76, 0x00, 0x14,
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0x90, 0x46, 0x71, 0x01, 0x4a, 0x19, 0x3f, 0x40, 0xc1, 0x5f,
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0xc2, 0x44 ),
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OKM ( 0xb1, 0x1e, 0x39, 0x8d, 0xc8, 0x03, 0x27, 0xa1, 0xc8, 0xe7,
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0xf7, 0x8c, 0x59, 0x6a, 0x49, 0x34, 0x4f, 0x01, 0x2e, 0xda,
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0x2d, 0x4e, 0xfa, 0xd8, 0xa0, 0x50, 0xcc, 0x4c, 0x19, 0xaf,
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0xa9, 0x7c, 0x59, 0x04, 0x5a, 0x99, 0xca, 0xc7, 0x82, 0x72,
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0x71, 0xcb, 0x41, 0xc6, 0x5e, 0x59, 0x0e, 0x09, 0xda, 0x32,
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0x75, 0x60, 0x0c, 0x2f, 0x09, 0xb8, 0x36, 0x77, 0x93, 0xa9,
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0xac, 0xa3, 0xdb, 0x71, 0xcc, 0x30, 0xc5, 0x81, 0x79, 0xec,
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0x3e, 0x87, 0xc1, 0x4c, 0x01, 0xd5, 0xc1, 0xf3, 0x43, 0x4f,
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0x1d, 0x87 ) );
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/** RFC 5869 test case 3: Test with SHA-256 and zero-length salt/info */
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HKDF_TEST ( hkdf_test_3, &sha256_algorithm, 1,
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IKM ( 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
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0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
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0x0b, 0x0b ),
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SALT(), INFO(),
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PRK ( 0x19, 0xef, 0x24, 0xa3, 0x2c, 0x71, 0x7b, 0x16, 0x7f, 0x33,
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0xa9, 0x1d, 0x6f, 0x64, 0x8b, 0xdf, 0x96, 0x59, 0x67, 0x76,
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0xaf, 0xdb, 0x63, 0x77, 0xac, 0x43, 0x4c, 0x1c, 0x29, 0x3c,
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0xcb, 0x04 ),
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OKM ( 0x8d, 0xa4, 0xe7, 0x75, 0xa5, 0x63, 0xc1, 0x8f, 0x71, 0x5f,
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0x80, 0x2a, 0x06, 0x3c, 0x5a, 0x31, 0xb8, 0xa1, 0x1f, 0x5c,
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0x5e, 0xe1, 0x87, 0x9e, 0xc3, 0x45, 0x4e, 0x5f, 0x3c, 0x73,
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0x8d, 0x2d, 0x9d, 0x20, 0x13, 0x95, 0xfa, 0xa4, 0xb6, 0x1a,
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0x96, 0xc8 ) );
|
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/** RFC 5869 test case 4: Basic test case with SHA-1 */
|
||||
HKDF_TEST ( hkdf_test_4, &sha1_algorithm, 1,
|
||||
IKM ( 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
||||
0x0b ),
|
||||
SALT ( 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
|
||||
0x0a, 0x0b, 0x0c ),
|
||||
INFO ( 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9 ),
|
||||
PRK ( 0x9b, 0x6c, 0x18, 0xc4, 0x32, 0xa7, 0xbf, 0x8f, 0x0e, 0x71,
|
||||
0xc8, 0xeb, 0x88, 0xf4, 0xb3, 0x0b, 0xaa, 0x2b, 0xa2, 0x43 ),
|
||||
OKM ( 0x08, 0x5a, 0x01, 0xea, 0x1b, 0x10, 0xf3, 0x69, 0x33, 0x06,
|
||||
0x8b, 0x56, 0xef, 0xa5, 0xad, 0x81, 0xa4, 0xf1, 0x4b, 0x82,
|
||||
0x2f, 0x5b, 0x09, 0x15, 0x68, 0xa9, 0xcd, 0xd4, 0xf1, 0x55,
|
||||
0xfd, 0xa2, 0xc2, 0x2e, 0x42, 0x24, 0x78, 0xd3, 0x05, 0xf3,
|
||||
0xf8, 0x96 ) );
|
||||
|
||||
/** RFC 5869 test case 5: Test with SHA-1 and longer inputs/outputs */
|
||||
HKDF_TEST ( hkdf_test_5, &sha1_algorithm, 1,
|
||||
IKM ( 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
|
||||
0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13,
|
||||
0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
|
||||
0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
|
||||
0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31,
|
||||
0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
|
||||
0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45,
|
||||
0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f ),
|
||||
SALT ( 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
|
||||
0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73,
|
||||
0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d,
|
||||
0x7e, 0x7f, 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
|
||||
0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91,
|
||||
0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b,
|
||||
0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5,
|
||||
0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf ),
|
||||
INFO ( 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
|
||||
0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3,
|
||||
0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd,
|
||||
0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
|
||||
0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0, 0xe1,
|
||||
0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
|
||||
0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5,
|
||||
0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff ),
|
||||
PRK ( 0x8a, 0xda, 0xe0, 0x9a, 0x2a, 0x30, 0x70, 0x59, 0x47, 0x8d,
|
||||
0x30, 0x9b, 0x26, 0xc4, 0x11, 0x5a, 0x22, 0x4c, 0xfa, 0xf6 ),
|
||||
OKM ( 0x0b, 0xd7, 0x70, 0xa7, 0x4d, 0x11, 0x60, 0xf7, 0xc9, 0xf1,
|
||||
0x2c, 0xd5, 0x91, 0x2a, 0x06, 0xeb, 0xff, 0x6a, 0xdc, 0xae,
|
||||
0x89, 0x9d, 0x92, 0x19, 0x1f, 0xe4, 0x30, 0x56, 0x73, 0xba,
|
||||
0x2f, 0xfe, 0x8f, 0xa3, 0xf1, 0xa4, 0xe5, 0xad, 0x79, 0xf3,
|
||||
0xf3, 0x34, 0xb3, 0xb2, 0x02, 0xb2, 0x17, 0x3c, 0x48, 0x6e,
|
||||
0xa3, 0x7c, 0xe3, 0xd3, 0x97, 0xed, 0x03, 0x4c, 0x7f, 0x9d,
|
||||
0xfe, 0xb1, 0x5c, 0x5e, 0x92, 0x73, 0x36, 0xd0, 0x44, 0x1f,
|
||||
0x4c, 0x43, 0x00, 0xe2, 0xcf, 0xf0, 0xd0, 0x90, 0x0b, 0x52,
|
||||
0xd3, 0xb4 ) );
|
||||
|
||||
/** RFC 5869 test case 6: Test with SHA-1 and zero-length salt/info */
|
||||
HKDF_TEST ( hkdf_test_6, &sha1_algorithm, 1,
|
||||
IKM ( 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
||||
0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
|
||||
0x0b, 0x0b ),
|
||||
SALT(), INFO(),
|
||||
PRK ( 0xda, 0x8c, 0x8a, 0x73, 0xc7, 0xfa, 0x77, 0x28, 0x8e, 0xc6,
|
||||
0xf5, 0xe7, 0xc2, 0x97, 0x78, 0x6a, 0xa0, 0xd3, 0x2d, 0x01 ),
|
||||
OKM ( 0x0a, 0xc1, 0xaf, 0x70, 0x02, 0xb3, 0xd7, 0x61, 0xd1, 0xe5,
|
||||
0x52, 0x98, 0xda, 0x9d, 0x05, 0x06, 0xb9, 0xae, 0x52, 0x05,
|
||||
0x72, 0x20, 0xa3, 0x06, 0xe0, 0x7b, 0x6b, 0x87, 0xe8, 0xdf,
|
||||
0x21, 0xd0, 0xea, 0x00, 0x03, 0x3d, 0xe0, 0x39, 0x84, 0xd3,
|
||||
0x49, 0x18 ) );
|
||||
|
||||
/** RFC 5869 test case 7: Test with SHA-1, salt not provided */
|
||||
HKDF_TEST ( hkdf_test_7, &sha1_algorithm, 0,
|
||||
IKM ( 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
|
||||
0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
|
||||
0x0c, 0x0c ),
|
||||
SALT(), INFO(),
|
||||
PRK ( 0x2a, 0xdc, 0xca, 0xda, 0x18, 0x77, 0x9e, 0x7c, 0x20, 0x77,
|
||||
0xad, 0x2e, 0xb1, 0x9d, 0x3f, 0x3e, 0x73, 0x13, 0x85, 0xdd ),
|
||||
OKM ( 0x2c, 0x91, 0x11, 0x72, 0x04, 0xd7, 0x45, 0xf3, 0x50, 0x0d,
|
||||
0x63, 0x6a, 0x62, 0xf6, 0x4f, 0x0a, 0xb3, 0xba, 0xe5, 0x48,
|
||||
0xaa, 0x53, 0xd4, 0x23, 0xb0, 0xd1, 0xf2, 0x7e, 0xbb, 0xa6,
|
||||
0xf5, 0xe5, 0x67, 0x3a, 0x08, 0x1d, 0x70, 0xcc, 0xe7, 0xac,
|
||||
0xfc, 0x48 ) );
|
||||
|
||||
/**
|
||||
* Perform HKDF self-tests
|
||||
*
|
||||
*/
|
||||
static void hkdf_test_exec ( void ) {
|
||||
|
||||
hkdf_ok ( &hkdf_test_1 );
|
||||
hkdf_ok ( &hkdf_test_2 );
|
||||
hkdf_ok ( &hkdf_test_3 );
|
||||
hkdf_ok ( &hkdf_test_4 );
|
||||
hkdf_ok ( &hkdf_test_5 );
|
||||
hkdf_ok ( &hkdf_test_6 );
|
||||
hkdf_ok ( &hkdf_test_7 );
|
||||
}
|
||||
|
||||
/** HKDF self-test */
|
||||
struct self_test hkdf_test __self_test = {
|
||||
.name = "hkdf",
|
||||
.exec = hkdf_test_exec,
|
||||
};
|
||||
@@ -92,3 +92,4 @@ REQUIRE_OBJECT ( efi_siglist_test );
|
||||
REQUIRE_OBJECT ( cpio_test );
|
||||
REQUIRE_OBJECT ( fdt_test );
|
||||
REQUIRE_OBJECT ( ecdsa_test );
|
||||
REQUIRE_OBJECT ( hkdf_test );
|
||||
|
||||
Reference in New Issue
Block a user