/* * Copyright 2015-2024 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 */ #ifndef OSSL_CRYPTO_ASN1_H #define OSSL_CRYPTO_ASN1_H #pragma once #include #include /* OSSL_FUNC_keymgmt_import() */ /* Internal ASN1 structures and functions: not for application use */ /* ASN1 public key method structure */ #include struct evp_pkey_asn1_method_st { int pkey_id; int pkey_base_id; unsigned long pkey_flags; char *pem_str; char *info; int (*pub_decode)(EVP_PKEY *pk, const X509_PUBKEY *pub); int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk); int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx); int (*priv_decode)(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf); int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk); int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx); int (*pkey_size)(const EVP_PKEY *pk); int (*pkey_bits)(const EVP_PKEY *pk); int (*pkey_security_bits)(const EVP_PKEY *pk); int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen); int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder); int (*param_missing)(const EVP_PKEY *pk); int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from); int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b); int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent, ASN1_PCTX *pctx); int (*sig_print)(BIO *out, const X509_ALGOR *sigalg, const ASN1_STRING *sig, int indent, ASN1_PCTX *pctx); void (*pkey_free)(EVP_PKEY *pkey); int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2); /* Legacy functions for old PEM */ int (*old_priv_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen); int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder); /* Custom ASN1 signature verification */ int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, const void *data, const X509_ALGOR *a, const ASN1_BIT_STRING *sig, EVP_PKEY *pkey); int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, const void *data, X509_ALGOR *alg1, X509_ALGOR *alg2, ASN1_BIT_STRING *sig); int (*siginf_set)(X509_SIG_INFO *siginf, const X509_ALGOR *alg, const ASN1_STRING *sig); /* Check */ int (*pkey_check)(const EVP_PKEY *pk); int (*pkey_public_check)(const EVP_PKEY *pk); int (*pkey_param_check)(const EVP_PKEY *pk); /* Get/set raw private/public key data */ int (*set_priv_key)(EVP_PKEY *pk, const unsigned char *priv, size_t len); int (*set_pub_key)(EVP_PKEY *pk, const unsigned char *pub, size_t len); int (*get_priv_key)(const EVP_PKEY *pk, unsigned char *priv, size_t *len); int (*get_pub_key)(const EVP_PKEY *pk, unsigned char *pub, size_t *len); /* Exports and imports to / from providers */ size_t (*dirty_cnt)(const EVP_PKEY *pk); int (*export_to)(const EVP_PKEY *pk, void *to_keydata, OSSL_FUNC_keymgmt_import_fn *importer, OSSL_LIB_CTX *libctx, const char *propq); OSSL_CALLBACK *import_from; int (*copy)(EVP_PKEY *to, EVP_PKEY *from); int (*priv_decode_ex)(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf, OSSL_LIB_CTX *libctx, const char *propq); } /* EVP_PKEY_ASN1_METHOD */; DEFINE_STACK_OF_CONST(EVP_PKEY_ASN1_METHOD) extern const EVP_PKEY_ASN1_METHOD ossl_dh_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_dhx_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_dsa_asn1_meths[4]; extern const EVP_PKEY_ASN1_METHOD ossl_eckey_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_ecx25519_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_ecx448_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_ed25519_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_ed448_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_sm2_asn1_meth; extern const EVP_PKEY_ASN1_METHOD ossl_rsa_asn1_meths[2]; extern const EVP_PKEY_ASN1_METHOD ossl_rsa_pss_asn1_meth; /* * These are used internally in the ASN1_OBJECT to keep track of whether the * names and data need to be free()ed */ #define ASN1_OBJECT_FLAG_DYNAMIC 0x01 /* internal use */ #define ASN1_OBJECT_FLAG_CRITICAL 0x02 /* critical x509v3 object id */ #define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04 /* internal use */ #define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08 /* internal use */ struct asn1_object_st { const char *sn, *ln; int nid; int length; const unsigned char *data; /* data remains const after init */ int flags; /* Should we free this one */ }; /* ASN1 print context structure */ struct asn1_pctx_st { unsigned long flags; unsigned long nm_flags; unsigned long cert_flags; unsigned long oid_flags; unsigned long str_flags; } /* ASN1_PCTX */; /* ASN1 type functions */ int ossl_asn1_type_set_octetstring_int(ASN1_TYPE *a, long num, unsigned char *data, int len); int ossl_asn1_type_get_octetstring_int(const ASN1_TYPE *a, long *num, unsigned char *data, int max_len); int ossl_x509_algor_new_from_md(X509_ALGOR **palg, const EVP_MD *md); const EVP_MD *ossl_x509_algor_get_md(X509_ALGOR *alg); X509_ALGOR *ossl_x509_algor_mgf1_decode(X509_ALGOR *alg); int ossl_x509_algor_md_to_mgf1(X509_ALGOR **palg, const EVP_MD *mgf1md); int ossl_asn1_time_print_ex(BIO *bp, const ASN1_TIME *tm, unsigned long flags); EVP_PKEY *ossl_d2i_PrivateKey_legacy(int keytype, EVP_PKEY **a, const unsigned char **pp, long length, OSSL_LIB_CTX *libctx, const char *propq); X509_ALGOR *ossl_X509_ALGOR_from_nid(int nid, int ptype, void *pval); void ossl_asn1_string_set_bits_left(ASN1_STRING *str, unsigned int num); int asn1_item_embed_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx, int depth, OSSL_LIB_CTX *libctx, const char *propq); #endif /* ndef OSSL_CRYPTO_ASN1_H */