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-rw-r--r--include/crypto/asn1.h149
1 files changed, 149 insertions, 0 deletions
diff --git a/include/crypto/asn1.h b/include/crypto/asn1.h
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+/*
+ * 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 */