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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:49:52 +0000 |
commit | 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch) | |
tree | 33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/shared/openssl-util.h | |
parent | Initial commit. (diff) | |
download | systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip |
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/shared/openssl-util.h')
-rw-r--r-- | src/shared/openssl-util.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/shared/openssl-util.h b/src/shared/openssl-util.h new file mode 100644 index 0000000..e3f34a8 --- /dev/null +++ b/src/shared/openssl-util.h @@ -0,0 +1,167 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +#pragma once + +#include "iovec-util.h" +#include "macro.h" +#include "sha256.h" + +#define X509_FINGERPRINT_SIZE SHA256_DIGEST_SIZE + +#if HAVE_OPENSSL +# include <openssl/bio.h> +# include <openssl/bn.h> +# include <openssl/crypto.h> +# include <openssl/err.h> +# include <openssl/evp.h> +# include <openssl/opensslv.h> +# include <openssl/pkcs7.h> +# include <openssl/ssl.h> +# include <openssl/x509v3.h> +# ifndef OPENSSL_VERSION_MAJOR +/* OPENSSL_VERSION_MAJOR macro was added in OpenSSL 3. Thus, if it doesn't exist, we must be before OpenSSL 3. */ +# define OPENSSL_VERSION_MAJOR 1 +# endif +# if OPENSSL_VERSION_MAJOR >= 3 +# include <openssl/core_names.h> +# include <openssl/kdf.h> +# include <openssl/param_build.h> +# endif + +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL_MACRO(void*, OPENSSL_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(X509_NAME*, X509_NAME_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_PKEY_CTX*, EVP_PKEY_CTX_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_CIPHER_CTX*, EVP_CIPHER_CTX_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EC_POINT*, EC_POINT_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EC_GROUP*, EC_GROUP_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(BIGNUM*, BN_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(BN_CTX*, BN_CTX_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(ECDSA_SIG*, ECDSA_SIG_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(PKCS7*, PKCS7_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(SSL*, SSL_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(BIO*, BIO_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_MD_CTX*, EVP_MD_CTX_free, NULL); +#if OPENSSL_VERSION_MAJOR >= 3 +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_CIPHER*, EVP_CIPHER_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_KDF*, EVP_KDF_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_KDF_CTX*, EVP_KDF_CTX_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_MAC*, EVP_MAC_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_MAC_CTX*, EVP_MAC_CTX_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_MD*, EVP_MD_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(OSSL_PARAM*, OSSL_PARAM_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(OSSL_PARAM_BLD*, OSSL_PARAM_BLD_free, NULL); +#else +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EC_KEY*, EC_KEY_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(HMAC_CTX*, HMAC_CTX_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(RSA*, RSA_free, NULL); +#endif + +static inline void sk_X509_free_allp(STACK_OF(X509) **sk) { + if (!sk || !*sk) + return; + + sk_X509_pop_free(*sk, X509_free); +} + +int openssl_pkey_from_pem(const void *pem, size_t pem_size, EVP_PKEY **ret); + +int openssl_digest_size(const char *digest_alg, size_t *ret_digest_size); + +int openssl_digest_many(const char *digest_alg, const struct iovec data[], size_t n_data, void **ret_digest, size_t *ret_digest_size); + +static inline int openssl_digest(const char *digest_alg, const void *buf, size_t len, void **ret_digest, size_t *ret_digest_size) { + return openssl_digest_many(digest_alg, &IOVEC_MAKE((void*) buf, len), 1, ret_digest, ret_digest_size); +} + +int openssl_hmac_many(const char *digest_alg, const void *key, size_t key_size, const struct iovec data[], size_t n_data, void **ret_digest, size_t *ret_digest_size); + +static inline int openssl_hmac(const char *digest_alg, const void *key, size_t key_size, const void *buf, size_t len, void **ret_digest, size_t *ret_digest_size) { + return openssl_hmac_many(digest_alg, key, key_size, &IOVEC_MAKE((void*) buf, len), 1, ret_digest, ret_digest_size); +} + +int openssl_cipher_many(const char *alg, size_t bits, const char *mode, const void *key, size_t key_size, const void *iv, size_t iv_size, const struct iovec data[], size_t n_data, void **ret, size_t *ret_size); + +static inline int openssl_cipher(const char *alg, size_t bits, const char *mode, const void *key, size_t key_size, const void *iv, size_t iv_size, const void *buf, size_t len, void **ret, size_t *ret_size) { + return openssl_cipher_many(alg, bits, mode, key, key_size, iv, iv_size, &IOVEC_MAKE((void*) buf, len), 1, ret, ret_size); +} + +int kdf_ss_derive(const char *digest, const void *key, size_t key_size, const void *salt, size_t salt_size, const void *info, size_t info_size, size_t derive_size, void **ret); + +int kdf_kb_hmac_derive(const char *mode, const char *digest, const void *key, size_t key_size, const void *salt, size_t salt_size, const void *info, size_t info_size, const void *seed, size_t seed_size, size_t derive_size, void **ret); + +int rsa_encrypt_bytes(EVP_PKEY *pkey, const void *decrypted_key, size_t decrypted_key_size, void **ret_encrypt_key, size_t *ret_encrypt_key_size); + +int rsa_oaep_encrypt_bytes(const EVP_PKEY *pkey, const char *digest_alg, const char *label, const void *decrypted_key, size_t decrypted_key_size, void **ret_encrypt_key, size_t *ret_encrypt_key_size); + +int rsa_pkey_to_suitable_key_size(EVP_PKEY *pkey, size_t *ret_suitable_key_size); + +int rsa_pkey_new(size_t bits, EVP_PKEY **ret); + +int rsa_pkey_from_n_e(const void *n, size_t n_size, const void *e, size_t e_size, EVP_PKEY **ret); + +int rsa_pkey_to_n_e(const EVP_PKEY *pkey, void **ret_n, size_t *ret_n_size, void **ret_e, size_t *ret_e_size); + +int ecc_pkey_from_curve_x_y(int curve_id, const void *x, size_t x_size, const void *y, size_t y_size, EVP_PKEY **ret); + +int ecc_pkey_to_curve_x_y(const EVP_PKEY *pkey, int *ret_curve_id, void **ret_x, size_t *ret_x_size, void **ret_y, size_t *ret_y_size); + +int ecc_pkey_new(int curve_id, EVP_PKEY **ret); + +int ecc_ecdh(const EVP_PKEY *private_pkey, const EVP_PKEY *peer_pkey, void **ret_shared_secret, size_t *ret_shared_secret_size); + +int pubkey_fingerprint(EVP_PKEY *pk, const EVP_MD *md, void **ret, size_t *ret_size); + +int digest_and_sign(const EVP_MD *md, EVP_PKEY *privkey, const void *data, size_t size, void **ret, size_t *ret_size); + +#else + +typedef struct X509 X509; +typedef struct EVP_PKEY EVP_PKEY; + +static inline void *X509_free(X509 *p) { + assert(p == NULL); + return NULL; +} + +static inline void *EVP_PKEY_free(EVP_PKEY *p) { + assert(p == NULL); + return NULL; +} + +#endif + +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(X509*, X509_free, NULL); +DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(EVP_PKEY*, EVP_PKEY_free, NULL); + +int x509_fingerprint(X509 *cert, uint8_t buffer[static X509_FINGERPRINT_SIZE]); + +#if PREFER_OPENSSL +/* The openssl definition */ +typedef const EVP_MD* hash_md_t; +typedef const EVP_MD* hash_algorithm_t; +typedef int elliptic_curve_t; +typedef EVP_MD_CTX* hash_context_t; +# define OPENSSL_OR_GCRYPT(a, b) (a) + +#elif HAVE_GCRYPT + +# include <gcrypt.h> + +/* The gcrypt definition */ +typedef int hash_md_t; +typedef const char* hash_algorithm_t; +typedef const char* elliptic_curve_t; +typedef gcry_md_hd_t hash_context_t; +# define OPENSSL_OR_GCRYPT(a, b) (b) +#endif + +#if PREFER_OPENSSL +int string_hashsum(const char *s, size_t len, const char *md_algorithm, char **ret); + +static inline int string_hashsum_sha224(const char *s, size_t len, char **ret) { + return string_hashsum(s, len, "SHA224", ret); +} + +static inline int string_hashsum_sha256(const char *s, size_t len, char **ret) { + return string_hashsum(s, len, "SHA256", ret); +} +#endif |