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/*
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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
*/
/* Internal ASN1 structures and functions: not for application use */
/* ASN1 public key method structure */
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, 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, void *asn,
X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey);
int (*item_sign) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
X509_ALGOR *alg1, X509_ALGOR *alg2,
ASN1_BIT_STRING *sig);
} /* EVP_PKEY_ASN1_METHOD */ ;
DEFINE_STACK_OF_CONST(EVP_PKEY_ASN1_METHOD)
extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[5];
extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD ecx25519_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2];
/*
* 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 */ ;
int asn1_valid_host(const ASN1_STRING *host);
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