diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 08:06:26 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 08:06:26 +0000 |
commit | 1660d4b7a65d9ad2ce0deaa19d35579ca4084ac5 (patch) | |
tree | 6cf8220b628ebd2ccfc1375dd6516c6996e9abcc /lib/crypto_backend/argon2_generic.c | |
parent | Initial commit. (diff) | |
download | cryptsetup-upstream.tar.xz cryptsetup-upstream.zip |
Adding upstream version 2:2.6.1.upstream/2%2.6.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/crypto_backend/argon2_generic.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/lib/crypto_backend/argon2_generic.c b/lib/crypto_backend/argon2_generic.c new file mode 100644 index 0000000..0ce67da --- /dev/null +++ b/lib/crypto_backend/argon2_generic.c @@ -0,0 +1,79 @@ +/* + * Argon2 PBKDF2 library wrapper + * + * Copyright (C) 2016-2023 Red Hat, Inc. All rights reserved. + * Copyright (C) 2016-2023 Milan Broz + * + * This file is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This file is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this file; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include <errno.h> +#include "crypto_backend_internal.h" +#if HAVE_ARGON2_H +#include <argon2.h> +#else +#include "argon2/argon2.h" +#endif + +#define CONST_CAST(x) (x)(uintptr_t) + +int argon2(const char *type, const char *password, size_t password_length, + const char *salt, size_t salt_length, + char *key, size_t key_length, + uint32_t iterations, uint32_t memory, uint32_t parallel) +{ +#if !USE_INTERNAL_ARGON2 && !HAVE_ARGON2_H + return -EINVAL; +#else + argon2_type atype; + argon2_context context = { + .flags = ARGON2_DEFAULT_FLAGS, + .version = ARGON2_VERSION_NUMBER, + .t_cost = (uint32_t)iterations, + .m_cost = (uint32_t)memory, + .lanes = (uint32_t)parallel, + .threads = (uint32_t)parallel, + .out = (uint8_t *)key, + .outlen = (uint32_t)key_length, + .pwd = CONST_CAST(uint8_t *)password, + .pwdlen = (uint32_t)password_length, + .salt = CONST_CAST(uint8_t *)salt, + .saltlen = (uint32_t)salt_length, + }; + int r; + + if (!strcmp(type, "argon2i")) + atype = Argon2_i; + else if(!strcmp(type, "argon2id")) + atype = Argon2_id; + else + return -EINVAL; + + switch (argon2_ctx(&context, atype)) { + case ARGON2_OK: + r = 0; + break; + case ARGON2_MEMORY_ALLOCATION_ERROR: + case ARGON2_FREE_MEMORY_CBK_NULL: + case ARGON2_ALLOCATE_MEMORY_CBK_NULL: + r = -ENOMEM; + break; + default: + r = -EINVAL; + } + + return r; +#endif +} |