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Diffstat (limited to 'include/crypto/asn1.h')
| -rw-r--r-- | include/crypto/asn1.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/include/crypto/asn1.h b/include/crypto/asn1.h new file mode 100644 index 00000000..ec76ae6f --- /dev/null +++ b/include/crypto/asn1.h @@ -0,0 +1,149 @@ +/* + * Copyright 2015-2021 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 <openssl/asn1.h> +# include <openssl/core_dispatch.h> /* OSSL_FUNC_keymgmt_import() */ + +/* Internal ASN1 structures and functions: not for application use */ + +/* ASN1 public key method structure */ + +#include <openssl/core.h> + +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[5]; +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); + +#endif /* ndef OSSL_CRYPTO_ASN1_H */ |