text: /*
   * Copyright 1995-2018 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
   */
  
  /* ====================================================================
   * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
   * ECDH support in OpenSSL originally developed by
   * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
   */
  
  #ifndef HEADER_X509_H
  # define HEADER_X509_H
  
  # include <openssl/e_os2.h>
  # include <openssl/ossl_typ.h>
  # include <openssl/symhacks.h>
  # include <openssl/buffer.h>
  # include <openssl/evp.h>
  # include <openssl/bio.h>
  # include <openssl/stack.h>
  # include <openssl/asn1.h>
  # include <openssl/safestack.h>
  # include <openssl/ec.h>
  
  # if OPENSSL_API_COMPAT < 0x10100000L
  #  include <openssl/rsa.h>
  #  include <openssl/dsa.h>
  #  include <openssl/dh.h>
  # endif
  
  # include <openssl/sha.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  # define X509_FILETYPE_PEM       1
  # define X509_FILETYPE_ASN1      2
  # define X509_FILETYPE_DEFAULT   3
  
  # define X509v3_KU_DIGITAL_SIGNATURE     0x0080
  # define X509v3_KU_NON_REPUDIATION       0x0040
  # define X509v3_KU_KEY_ENCIPHERMENT      0x0020
  # define X509v3_KU_DATA_ENCIPHERMENT     0x0010
  # define X509v3_KU_KEY_AGREEMENT         0x0008
  # define X509v3_KU_KEY_CERT_SIGN         0x0004
  # define X509v3_KU_CRL_SIGN              0x0002
  # define X509v3_KU_ENCIPHER_ONLY         0x0001
  # define X509v3_KU_DECIPHER_ONLY         0x8000
  # define X509v3_KU_UNDEF                 0xffff
  
  struct X509_algor_st {
      ASN1_OBJECT *algorithm;
      ASN1_TYPE *parameter;
  } /* X509_ALGOR */ ;
  
  typedef STACK_OF(X509_ALGOR) X509_ALGORS;
  
  typedef struct X509_val_st {
      ASN1_TIME *notBefore;
      ASN1_TIME *notAfter;
  } X509_VAL;
  
  typedef struct X509_sig_st X509_SIG;
  
  typedef struct X509_name_entry_st X509_NAME_ENTRY;
  
  DEFINE_STACK_OF(X509_NAME_ENTRY)
  
  DEFINE_STACK_OF(X509_NAME)
  
  # define X509_EX_V_NETSCAPE_HACK         0x8000
  # define X509_EX_V_INIT                  0x0001
  typedef struct X509_extension_st X509_EXTENSION;
  
  typedef STACK_OF(X509_EXTENSION) X509_EXTENSIONS;
  
  DEFINE_STACK_OF(X509_EXTENSION)
  
  typedef struct x509_attributes_st X509_ATTRIBUTE;
  
  DEFINE_STACK_OF(X509_ATTRIBUTE)
  
  typedef struct X509_req_info_st X509_REQ_INFO;
  
  typedef struct X509_req_st X509_REQ;
  
  typedef struct x509_cert_aux_st X509_CERT_AUX;
  
  typedef struct x509_cinf_st X509_CINF;
  
  DEFINE_STACK_OF(X509)
  
  /* This is used for a table of trust checking functions */
  
  typedef struct x509_trust_st {
      int trust;
      int flags;
      int (*check_trust) (struct x509_trust_st *, X509 *, int);
      char *name;
      int arg1;
      void *arg2;
  } X509_TRUST;
  
  DEFINE_STACK_OF(X509_TRUST)
  
  /* standard trust ids */
  
  # define X509_TRUST_DEFAULT      0 /* Only valid in purpose settings */
  
  # define X509_TRUST_COMPAT       1
  # define X509_TRUST_SSL_CLIENT   2
  # define X509_TRUST_SSL_SERVER   3
  # define X509_TRUST_EMAIL        4
  # define X509_TRUST_OBJECT_SIGN  5
  # define X509_TRUST_OCSP_SIGN    6
  # define X509_TRUST_OCSP_REQUEST 7
  # define X509_TRUST_TSA          8
  
  /* Keep these up to date! */
  # define X509_TRUST_MIN          1
  # define X509_TRUST_MAX          8
  
  /* trust_flags values */
  # define X509_TRUST_DYNAMIC      (1U << 0)
  # define X509_TRUST_DYNAMIC_NAME (1U << 1)
  /* No compat trust if self-signed, preempts "DO_SS" */
  # define X509_TRUST_NO_SS_COMPAT (1U << 2)
  /* Compat trust if no explicit accepted trust EKUs */
  # define X509_TRUST_DO_SS_COMPAT (1U << 3)
  /* Accept "anyEKU" as a wildcard trust OID */
  # define X509_TRUST_OK_ANY_EKU   (1U << 4)
  
  /* check_trust return codes */
  
  # define X509_TRUST_TRUSTED      1
  # define X509_TRUST_REJECTED     2
  # define X509_TRUST_UNTRUSTED    3
  
  /* Flags for X509_print_ex() */
  
  # define X509_FLAG_COMPAT                0
  # define X509_FLAG_NO_HEADER             1L
  # define X509_FLAG_NO_VERSION            (1L << 1)
  # define X509_FLAG_NO_SERIAL             (1L << 2)
  # define X509_FLAG_NO_SIGNAME            (1L << 3)
  # define X509_FLAG_NO_ISSUER             (1L << 4)
  # define X509_FLAG_NO_VALIDITY           (1L << 5)
  # define X509_FLAG_NO_SUBJECT            (1L << 6)
  # define X509_FLAG_NO_PUBKEY             (1L << 7)
  # define X509_FLAG_NO_EXTENSIONS         (1L << 8)
  # define X509_FLAG_NO_SIGDUMP            (1L << 9)
  # define X509_FLAG_NO_AUX                (1L << 10)
  # define X509_FLAG_NO_ATTRIBUTES         (1L << 11)
  # define X509_FLAG_NO_IDS                (1L << 12)
  
  /* Flags specific to X509_NAME_print_ex() */
  
  /* The field separator information */
  
  # define XN_FLAG_SEP_MASK        (0xf << 16)
  
  # define XN_FLAG_COMPAT          0/* Traditional; use old X509_NAME_print */
  # define XN_FLAG_SEP_COMMA_PLUS  (1 << 16)/* RFC2253 ,+ */
  # define XN_FLAG_SEP_CPLUS_SPC   (2 << 16)/* ,+ spaced: more readable */
  # define XN_FLAG_SEP_SPLUS_SPC   (3 << 16)/* ;+ spaced */
  # define XN_FLAG_SEP_MULTILINE   (4 << 16)/* One line per field */
  
  # define XN_FLAG_DN_REV          (1 << 20)/* Reverse DN order */
  
  /* How the field name is shown */
  
  # define XN_FLAG_FN_MASK         (0x3 << 21)
  
  # define XN_FLAG_FN_SN           0/* Object short name */
  # define XN_FLAG_FN_LN           (1 << 21)/* Object long name */
  # define XN_FLAG_FN_OID          (2 << 21)/* Always use OIDs */
  # define XN_FLAG_FN_NONE         (3 << 21)/* No field names */
  
  # define XN_FLAG_SPC_EQ          (1 << 23)/* Put spaces round '=' */
  
  /*
   * This determines if we dump fields we don't recognise: RFC2253 requires
   * this.
   */
  
  # define XN_FLAG_DUMP_UNKNOWN_FIELDS (1 << 24)
  
  # define XN_FLAG_FN_ALIGN        (1 << 25)/* Align field names to 20
                                             * characters */
  
  /* Complete set of RFC2253 flags */
  
  # define XN_FLAG_RFC2253 (ASN1_STRFLGS_RFC2253 | \
                          XN_FLAG_SEP_COMMA_PLUS | \
                          XN_FLAG_DN_REV | \
                          XN_FLAG_FN_SN | \
                          XN_FLAG_DUMP_UNKNOWN_FIELDS)
  
  /* readable oneline form */
  
  # define XN_FLAG_ONELINE (ASN1_STRFLGS_RFC2253 | \
                          ASN1_STRFLGS_ESC_QUOTE | \
                          XN_FLAG_SEP_CPLUS_SPC | \
                          XN_FLAG_SPC_EQ | \
                          XN_FLAG_FN_SN)
  
  /* readable multiline form */
  
  # define XN_FLAG_MULTILINE (ASN1_STRFLGS_ESC_CTRL | \
                          ASN1_STRFLGS_ESC_MSB | \
                          XN_FLAG_SEP_MULTILINE | \
                          XN_FLAG_SPC_EQ | \
                          XN_FLAG_FN_LN | \
                          XN_FLAG_FN_ALIGN)
  
  DEFINE_STACK_OF(X509_REVOKED)
  
  typedef struct X509_crl_info_st X509_CRL_INFO;
  
  DEFINE_STACK_OF(X509_CRL)
  
  typedef struct private_key_st {
      int version;
      /* The PKCS#8 data types */
      X509_ALGOR *enc_algor;
      ASN1_OCTET_STRING *enc_pkey; /* encrypted pub key */
      /* When decrypted, the following will not be NULL */
      EVP_PKEY *dec_pkey;
      /* used to encrypt and decrypt */
      int key_length;
      char *key_data;
      int key_free;               /* true if we should auto free key_data */
      /* expanded version of 'enc_algor' */
      EVP_CIPHER_INFO cipher;
  } X509_PKEY;
  
  typedef struct X509_info_st {
      X509 *x509;
      X509_CRL *crl;
      X509_PKEY *x_pkey;
      EVP_CIPHER_INFO enc_cipher;
      int enc_len;
      char *enc_data;
  } X509_INFO;
  
  DEFINE_STACK_OF(X509_INFO)
  
  /*
   * The next 2 structures and their 8 routines were sent to me by Pat Richard
   * <patr@x509.com> and are used to manipulate Netscapes spki structures -
   * useful if you are writing a CA web page
   */
  typedef struct Netscape_spkac_st {
      X509_PUBKEY *pubkey;
      ASN1_IA5STRING *challenge;  /* challenge sent in atlas >= PR2 */
  } NETSCAPE_SPKAC;
  
  typedef struct Netscape_spki_st {
      NETSCAPE_SPKAC *spkac;      /* signed public key and challenge */
      X509_ALGOR sig_algor;
      ASN1_BIT_STRING *signature;
  } NETSCAPE_SPKI;
  
  /* Netscape certificate sequence structure */
  typedef struct Netscape_certificate_sequence {
      ASN1_OBJECT *type;
      STACK_OF(X509) *certs;
  } NETSCAPE_CERT_SEQUENCE;
  
  /*- Unused (and iv length is wrong)
  typedef struct CBCParameter_st
          {
          unsigned char iv[8];
          } CBC_PARAM;
  */
  
  /* Password based encryption structure */
  
  typedef struct PBEPARAM_st {
      ASN1_OCTET_STRING *salt;
      ASN1_INTEGER *iter;
  } PBEPARAM;
  
  /* Password based encryption V2 structures */
  
  typedef struct PBE2PARAM_st {
      X509_ALGOR *keyfunc;
      X509_ALGOR *encryption;
  } PBE2PARAM;
  
  typedef struct PBKDF2PARAM_st {
  /* Usually OCTET STRING but could be anything */
      ASN1_TYPE *salt;
      ASN1_INTEGER *iter;
      ASN1_INTEGER *keylength;
      X509_ALGOR *prf;
  } PBKDF2PARAM;
  
  #ifdef  __cplusplus
  }
  #endif
  
  # include <openssl/x509_vfy.h>
  # include <openssl/pkcs7.h>
  
  #ifdef  __cplusplus
  extern "C" {
  #endif
  
  # define X509_EXT_PACK_UNKNOWN   1
  # define X509_EXT_PACK_STRING    2
  
  # define         X509_extract_key(x)     X509_get_pubkey(x)/*****/
  # define         X509_REQ_extract_key(a) X509_REQ_get_pubkey(a)
  # define         X509_name_cmp(a,b)      X509_NAME_cmp((a),(b))
  
  void X509_CRL_set_default_method(const X509_CRL_METHOD *meth);
  X509_CRL_METHOD *X509_CRL_METHOD_new(int (*crl_init) (X509_CRL *crl),
                                       int (*crl_free) (X509_CRL *crl),
                                       int (*crl_lookup) (X509_CRL *crl,
                                                          X509_REVOKED **ret,
                                                          ASN1_INTEGER *ser,
                                                          X509_NAME *issuer),
                                       int (*crl_verify) (X509_CRL *crl,
                                                          EVP_PKEY *pk));
  void X509_CRL_METHOD_free(X509_CRL_METHOD *m);
  
  void X509_CRL_set_meth_data(X509_CRL *crl, void *dat);
  void *X509_CRL_get_meth_data(X509_CRL *crl);
  
  const char *X509_verify_cert_error_string(long n);
  
  int X509_verify(X509 *a, EVP_PKEY *r);
  
  int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r);
  int X509_CRL_verify(X509_CRL *a, EVP_PKEY *r);
  int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r);
  
  NETSCAPE_SPKI *NETSCAPE_SPKI_b64_decode(const char *str, int len);
  char *NETSCAPE_SPKI_b64_encode(NETSCAPE_SPKI *x);
  EVP_PKEY *NETSCAPE_SPKI_get_pubkey(NETSCAPE_SPKI *x);
  int NETSCAPE_SPKI_set_pubkey(NETSCAPE_SPKI *x, EVP_PKEY *pkey);
  
  int NETSCAPE_SPKI_print(BIO *out, NETSCAPE_SPKI *spki);
  
  int X509_signature_dump(BIO *bp, const ASN1_STRING *sig, int indent);
  int X509_signature_print(BIO *bp, const X509_ALGOR *alg,
                           const ASN1_STRING *sig);
  
  int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md);
  int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx);
  # ifndef OPENSSL_NO_OCSP
  int X509_http_nbio(OCSP_REQ_CTX *rctx, X509 **pcert);
  # endif
  int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md);
  int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx);
  int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md);
  int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx);
  # ifndef OPENSSL_NO_OCSP
  int X509_CRL_http_nbio(OCSP_REQ_CTX *rctx, X509_CRL **pcrl);
  # endif
  int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md);
  
  int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
                         unsigned char *md, unsigned int *len);
  int X509_digest(const X509 *data, const EVP_MD *type,
                  unsigned char *md, unsigned int *len);
  int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
                      unsigned char *md, unsigned int *len);
  int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
                      unsigned char *md, unsigned int *len);
  int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
                       unsigned char *md, unsigned int *len);
  
  # ifndef OPENSSL_NO_STDIO
  X509 *d2i_X509_fp(FILE *fp, X509 **x509);
  int i2d_X509_fp(FILE *fp, X509 *x509);
  X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl);
  int i2d_X509_CRL_fp(FILE *fp, X509_CRL *crl);
  X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req);
  int i2d_X509_REQ_fp(FILE *fp, X509_REQ *req);
  #  ifndef OPENSSL_NO_RSA
  RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa);
  int i2d_RSAPrivateKey_fp(FILE *fp, RSA *rsa);
  RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa);
  int i2d_RSAPublicKey_fp(FILE *fp, RSA *rsa);
  RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa);
  int i2d_RSA_PUBKEY_fp(FILE *fp, RSA *rsa);
  #  endif
  #  ifndef OPENSSL_NO_DSA
  DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa);
  int i2d_DSA_PUBKEY_fp(FILE *fp, DSA *dsa);
  DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa);
  int i2d_DSAPrivateKey_fp(FILE *fp, DSA *dsa);
  #  endif
  #  ifndef OPENSSL_NO_EC
  EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey);
  int i2d_EC_PUBKEY_fp(FILE *fp, EC_KEY *eckey);
  EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey);
  int i2d_ECPrivateKey_fp(FILE *fp, EC_KEY *eckey);
  #  endif
  X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8);
  int i2d_PKCS8_fp(FILE *fp, X509_SIG *p8);
  PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
                                                  PKCS8_PRIV_KEY_INFO **p8inf);
  int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, PKCS8_PRIV_KEY_INFO *p8inf);
  int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, EVP_PKEY *key);
  int i2d_PrivateKey_fp(FILE *fp, EVP_PKEY *pkey);
  EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a);
  int i2d_PUBKEY_fp(FILE *fp, EVP_PKEY *pkey);
  EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a);
  # endif
  
  X509 *d2i_X509_bio(BIO *bp, X509 **x509);
  int i2d_X509_bio(BIO *bp, X509 *x509);
  X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl);
  int i2d_X509_CRL_bio(BIO *bp, X509_CRL *crl);
  X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req);
  int i2d_X509_REQ_bio(BIO *bp, X509_REQ *req);
  #  ifndef OPENSSL_NO_RSA
  RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa);
  int i2d_RSAPrivateKey_bio(BIO *bp, RSA *rsa);
  RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa);
  int i2d_RSAPublicKey_bio(BIO *bp, RSA *rsa);
  RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa);
  int i2d_RSA_PUBKEY_bio(BIO *bp, RSA *rsa);
  #  endif
  #  ifndef OPENSSL_NO_DSA
  DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa);
  int i2d_DSA_PUBKEY_bio(BIO *bp, DSA *dsa);
  DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa);
  int i2d_DSAPrivateKey_bio(BIO *bp, DSA *dsa);
  #  endif
  #  ifndef OPENSSL_NO_EC
  EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey);
  int i2d_EC_PUBKEY_bio(BIO *bp, EC_KEY *eckey);
  EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey);
  int i2d_ECPrivateKey_bio(BIO *bp, EC_KEY *eckey);
  #  endif
  X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8);
  int i2d_PKCS8_bio(BIO *bp, X509_SIG *p8);
  PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
                                                   PKCS8_PRIV_KEY_INFO **p8inf);
  int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, PKCS8_PRIV_KEY_INFO *p8inf);
  int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, EVP_PKEY *key);
  int i2d_PrivateKey_bio(BIO *bp, EVP_PKEY *pkey);
  EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a);
  int i2d_PUBKEY_bio(BIO *bp, EVP_PKEY *pkey);
  EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a);
  
  X509 *X509_dup(X509 *x509);
  X509_ATTRIBUTE *X509_ATTRIBUTE_dup(X509_ATTRIBUTE *xa);
  X509_EXTENSION *X509_EXTENSION_dup(X509_EXTENSION *ex);
  X509_CRL *X509_CRL_dup(X509_CRL *crl);
  X509_REVOKED *X509_REVOKED_dup(X509_REVOKED *rev);
  X509_REQ *X509_REQ_dup(X509_REQ *req);
  X509_ALGOR *X509_ALGOR_dup(X509_ALGOR *xn);
  int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype,
                      void *pval);
  void X509_ALGOR_get0(const ASN1_OBJECT **paobj, int *pptype,
                       const void **ppval, const X509_ALGOR *algor);
  void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md);
  int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b);
  
  X509_NAME *X509_NAME_dup(X509_NAME *xn);
  X509_NAME_ENTRY *X509_NAME_ENTRY_dup(X509_NAME_ENTRY *ne);
  
  int X509_cmp_time(const ASN1_TIME *s, time_t *t);
  int X509_cmp_current_time(const ASN1_TIME *s);
  ASN1_TIME *X509_time_adj(ASN1_TIME *s, long adj, time_t *t);
  ASN1_TIME *X509_time_adj_ex(ASN1_TIME *s,
                              int offset_day, long offset_sec, time_t *t);
  ASN1_TIME *X509_gmtime_adj(ASN1_TIME *s, long adj);
  
  const char *X509_get_default_cert_area(void);
  const char *X509_get_default_cert_dir(void);
  const char *X509_get_default_cert_file(void);
  const char *X509_get_default_cert_dir_env(void);
  const char *X509_get_default_cert_file_env(void);
  const char *X509_get_default_private_dir(void);
  
  X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md);
  X509 *X509_REQ_to_X509(X509_REQ *r, int days, EVP_PKEY *pkey);
  
  DECLARE_ASN1_FUNCTIONS(X509_ALGOR)
  DECLARE_ASN1_ENCODE_FUNCTIONS(X509_ALGORS, X509_ALGORS, X509_ALGORS)
  DECLARE_ASN1_FUNCTIONS(X509_VAL)
  
  DECLARE_ASN1_FUNCTIONS(X509_PUBKEY)
  
  int X509_PUBKEY_set(X509_PUBKEY **x, EVP_PKEY *pkey);
  EVP_PKEY *X509_PUBKEY_get0(X509_PUBKEY *key);
  EVP_PKEY *X509_PUBKEY_get(X509_PUBKEY *key);
  int X509_get_pubkey_parameters(EVP_PKEY *pkey, STACK_OF(X509) *chain);
  long X509_get_pathlen(X509 *x);
  int i2d_PUBKEY(EVP_PKEY *a, unsigned char **pp);
  EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const unsigned char **pp, long length);
  # ifndef OPENSSL_NO_RSA
  int i2d_RSA_PUBKEY(RSA *a, unsigned char **pp);
  RSA *d2i_RSA_PUBKEY(RSA **a, const unsigned char **pp, long length);
  # endif
  # ifndef OPENSSL_NO_DSA
  int i2d_DSA_PUBKEY(DSA *a, unsigned char **pp);
  DSA *d2i_DSA_PUBKEY(DSA **a, const unsigned char **pp, long length);
  # endif
  # ifndef OPENSSL_NO_EC
  int i2d_EC_PUBKEY(EC_KEY *a, unsigned char **pp);
  EC_KEY *d2i_EC_PUBKEY(EC_KEY **a, const unsigned char **pp, long length);
  # endif
  
  DECLARE_ASN1_FUNCTIONS(X509_SIG)
  void X509_SIG_get0(const X509_SIG *sig, const X509_ALGOR **palg,
                     const ASN1_OCTET_STRING **pdigest);
  void X509_SIG_getm(X509_SIG *sig, X509_ALGOR **palg,
                     ASN1_OCTET_STRING **pdigest);
  
  DECLARE_ASN1_FUNCTIONS(X509_REQ_INFO)
  DECLARE_ASN1_FUNCTIONS(X509_REQ)
  
  DECLARE_ASN1_FUNCTIONS(X509_ATTRIBUTE)
  X509_ATTRIBUTE *X509_ATTRIBUTE_create(int nid, int atrtype, void *value);
  
  DECLARE_ASN1_FUNCTIONS(X509_EXTENSION)
  DECLARE_ASN1_ENCODE_FUNCTIONS(X509_EXTENSIONS, X509_EXTENSIONS, X509_EXTENSIONS)
  
  DECLARE_ASN1_FUNCTIONS(X509_NAME_ENTRY)
  
  DECLARE_ASN1_FUNCTIONS(X509_NAME)
  
  int X509_NAME_set(X509_NAME **xn, X509_NAME *name);
  
  DECLARE_ASN1_FUNCTIONS(X509_CINF)
  
  DECLARE_ASN1_FUNCTIONS(X509)
  DECLARE_ASN1_FUNCTIONS(X509_CERT_AUX)
  
  #define X509_get_ex_new_index(l, p, newf, dupf, freef) \
      CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, l, p, newf, dupf, freef)
  int X509_set_ex_data(X509 *r, int idx, void *arg);
  void *X509_get_ex_data(X509 *r, int idx);
  int i2d_X509_AUX(X509 *a, unsigned char **pp);
  X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length);
  
  int i2d_re_X509_tbs(X509 *x, unsigned char **pp);
  
  void X509_get0_signature(const ASN1_BIT_STRING **psig,
                           const X509_ALGOR **palg, const X509 *x);
  int X509_get_signature_nid(const X509 *x);
  
  int X509_trusted(const X509 *x);
  int X509_alias_set1(X509 *x, const unsigned char *name, int len);
  int X509_keyid_set1(X509 *x, const unsigned char *id, int len);
  unsigned char *X509_alias_get0(X509 *x, int *len);
  unsigned char *X509_keyid_get0(X509 *x, int *len);
  int (*X509_TRUST_set_default(int (*trust) (int, X509 *, int))) (int, X509 *,
                                                                  int);
  int X509_TRUST_set(int *t, int trust);
  int X509_add1_trust_object(X509 *x, const ASN1_OBJECT *obj);
  int X509_add1_reject_object(X509 *x, const ASN1_OBJECT *obj);
  void X509_trust_clear(X509 *x);
  void X509_reject_clear(X509 *x);
  
  STACK_OF(ASN1_OBJECT) *X509_get0_trust_objects(X509 *x);
  STACK_OF(ASN1_OBJECT) *X509_get0_reject_objects(X509 *x);
  
  DECLARE_ASN1_FUNCTIONS(X509_REVOKED)
  DECLARE_ASN1_FUNCTIONS(X509_CRL_INFO)
  DECLARE_ASN1_FUNCTIONS(X509_CRL)
  
  int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev);
  int X509_CRL_get0_by_serial(X509_CRL *crl,
                              X509_REVOKED **ret, ASN1_INTEGER *serial);
  int X509_CRL_get0_by_cert(X509_CRL *crl, X509_REVOKED **ret, X509 *x);
  
  X509_PKEY *X509_PKEY_new(void);
  void X509_PKEY_free(X509_PKEY *a);
  
  DECLARE_ASN1_FUNCTIONS(NETSCAPE_SPKI)
  DECLARE_ASN1_FUNCTIONS(NETSCAPE_SPKAC)
  DECLARE_ASN1_FUNCTIONS(NETSCAPE_CERT_SEQUENCE)
  
  X509_INFO *X509_INFO_new(void);
  void X509_INFO_free(X509_INFO *a);
  char *X509_NAME_oneline(const X509_NAME *a, char *buf, int size);
  
  int ASN1_verify(i2d_of_void *i2d, X509_ALGOR *algor1,
                  ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey);
  
  int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
                  unsigned char *md, unsigned int *len);
  
  int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1,
                X509_ALGOR *algor2, ASN1_BIT_STRING *signature,
                char *data, EVP_PKEY *pkey, const EVP_MD *type);
  
  int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *data,
                       unsigned char *md, unsigned int *len);
  
  int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *algor1,
                       ASN1_BIT_STRING *signature, void *data, EVP_PKEY *pkey);
  
  int ASN1_item_sign(const ASN1_ITEM *it, X509_ALGOR *algor1,
                     X509_ALGOR *algor2, ASN1_BIT_STRING *signature, void *data,
                     EVP_PKEY *pkey, const EVP_MD *type);
  int ASN1_item_sign_ctx(const ASN1_ITEM *it, X509_ALGOR *algor1,
                         X509_ALGOR *algor2, ASN1_BIT_STRING *signature,
                         void *asn, EVP_MD_CTX *ctx);
  
  long X509_get_version(const X509 *x);
  int X509_set_version(X509 *x, long version);
  int X509_set_serialNumber(X509 *x, ASN1_INTEGER *serial);
  ASN1_INTEGER *X509_get_serialNumber(X509 *x);
  const ASN1_INTEGER *X509_get0_serialNumber(const X509 *x);
  int X509_set_issuer_name(X509 *x, X509_NAME *name);
  X509_NAME *X509_get_issuer_name(const X509 *a);
  int X509_set_subject_name(X509 *x, X509_NAME *name);
  X509_NAME *X509_get_subject_name(const X509 *a);
  const ASN1_TIME * X509_get0_notBefore(const X509 *x);
  ASN1_TIME *X509_getm_notBefore(const X509 *x);
  int X509_set1_notBefore(X509 *x, const ASN1_TIME *tm);
  const ASN1_TIME *X509_get0_notAfter(const X509 *x);
  ASN1_TIME *X509_getm_notAfter(const X509 *x);
  int X509_set1_notAfter(X509 *x, const ASN1_TIME *tm);
  int X509_set_pubkey(X509 *x, EVP_PKEY *pkey);
  int X509_up_ref(X509 *x);
  int X509_get_signature_type(const X509 *x);
  
  # if OPENSSL_API_COMPAT < 0x10100000L
  #  define X509_get_notBefore X509_getm_notBefore
  #  define X509_get_notAfter X509_getm_notAfter
  #  define X509_set_notBefore X509_set1_notBefore
  #  define X509_set_notAfter X509_set1_notAfter
  #endif
  
  
  /*
   * This one is only used so that a binary form can output, as in
   * i2d_X509_NAME(X509_get_X509_PUBKEY(x), &buf)
   */
  X509_PUBKEY *X509_get_X509_PUBKEY(const X509 *x);
  const STACK_OF(X509_EXTENSION) *X509_get0_extensions(const X509 *x);
  void X509_get0_uids(const X509 *x, const ASN1_BIT_STRING **piuid,
                      const ASN1_BIT_STRING **psuid);
  const X509_ALGOR *X509_get0_tbs_sigalg(const X509 *x);
  
  EVP_PKEY *X509_get0_pubkey(const X509 *x);
  EVP_PKEY *X509_get_pubkey(X509 *x);
  ASN1_BIT_STRING *X509_get0_pubkey_bitstr(const X509 *x);
  int X509_certificate_type(const X509 *x, const EVP_PKEY *pubkey);
  
  long X509_REQ_get_version(const X509_REQ *req);
  int X509_REQ_set_version(X509_REQ *x, long version);
  X509_NAME *X509_REQ_get_subject_name(const X509_REQ *req);
  int X509_REQ_set_subject_name(X509_REQ *req, X509_NAME *name);
  void X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig,
                               const X509_ALGOR **palg);
  int X509_REQ_get_signature_nid(const X509_REQ *req);
  int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp);
  int X509_REQ_set_pubkey(X509_REQ *x, EVP_PKEY *pkey);
  EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req);
  EVP_PKEY *X509_REQ_get0_pubkey(X509_REQ *req);
  X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *req);
  int X509_REQ_extension_nid(int nid);
  int *X509_REQ_get_extension_nids(void);
  void X509_REQ_set_extension_nids(int *nids);
  STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req);
  int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
                                  int nid);
  int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts);
  int X509_REQ_get_attr_count(const X509_REQ *req);
  int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos);
  int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, const ASN1_OBJECT *obj,
                               int lastpos);
  X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc);
  X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc);
  int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr);
  int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
                                const ASN1_OBJECT *obj, int type,
                                const unsigned char *bytes, int len);
  int X509_REQ_add1_attr_by_NID(X509_REQ *req,
                                int nid, int type,
                                const unsigned char *bytes, int len);
  int X509_REQ_add1_attr_by_txt(X509_REQ *req,
                                const char *attrname, int type,
                                const unsigned char *bytes, int len);
  
  int X509_CRL_set_version(X509_CRL *x, long version);
  int X509_CRL_set_issuer_name(X509_CRL *x, X509_NAME *name);
  int X509_CRL_set1_lastUpdate(X509_CRL *x, const ASN1_TIME *tm);
  int X509_CRL_set1_nextUpdate(X509_CRL *x, const ASN1_TIME *tm);
  int X509_CRL_sort(X509_CRL *crl);
  int X509_CRL_up_ref(X509_CRL *crl);
  
  # if OPENSSL_API_COMPAT < 0x10100000L
  #  define X509_CRL_set_lastUpdate X509_CRL_set1_lastUpdate
  #  define X509_CRL_set_nextUpdate X509_CRL_set1_nextUpdate
  #endif
  
  long X509_CRL_get_version(const X509_CRL *crl);
  const ASN1_TIME *X509_CRL_get0_lastUpdate(const X509_CRL *crl);
  const ASN1_TIME *X509_CRL_get0_nextUpdate(const X509_CRL *crl);
  DEPRECATEDIN_1_1_0(ASN1_TIME *X509_CRL_get_lastUpdate(X509_CRL *crl))
  DEPRECATEDIN_1_1_0(ASN1_TIME *X509_CRL_get_nextUpdate(X509_CRL *crl))
  X509_NAME *X509_CRL_get_issuer(const X509_CRL *crl);
  const STACK_OF(X509_EXTENSION) *X509_CRL_get0_extensions(const X509_CRL *crl);
  STACK_OF(X509_REVOKED) *X509_CRL_get_REVOKED(X509_CRL *crl);
  void X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
                               const X509_ALGOR **palg);
  int X509_CRL_get_signature_nid(const X509_CRL *crl);
  int i2d_re_X509_CRL_tbs(X509_CRL *req, unsigned char **pp);
  
  const ASN1_INTEGER *X509_REVOKED_get0_serialNumber(const X509_REVOKED *x);
  int X509_REVOKED_set_serialNumber(X509_REVOKED *x, ASN1_INTEGER *serial);
  const ASN1_TIME *X509_REVOKED_get0_revocationDate(const X509_REVOKED *x);
  int X509_REVOKED_set_revocationDate(X509_REVOKED *r, ASN1_TIME *tm);
  const STACK_OF(X509_EXTENSION) *
  X509_REVOKED_get0_extensions(const X509_REVOKED *r);
  
  X509_CRL *X509_CRL_diff(X509_CRL *base, X509_CRL *newer,
                          EVP_PKEY *skey, const EVP_MD *md, unsigned int flags);
  
  int X509_REQ_check_private_key(X509_REQ *x509, EVP_PKEY *pkey);
  
  int X509_check_private_key(const X509 *x509, const EVP_PKEY *pkey);
  int X509_chain_check_suiteb(int *perror_depth,
                              X509 *x, STACK_OF(X509) *chain,
                              unsigned long flags);
  int X509_CRL_check_suiteb(X509_CRL *crl, EVP_PKEY *pk, unsigned long flags);
  STACK_OF(X509) *X509_chain_up_ref(STACK_OF(X509) *chain);
  
  int X509_issuer_and_serial_cmp(const X509 *a, const X509 *b);
  unsigned long X509_issuer_and_serial_hash(X509 *a);
  
  int X509_issuer_name_cmp(const X509 *a, const X509 *b);
  unsigned long X509_issuer_name_hash(X509 *a);
  
  int X509_subject_name_cmp(const X509 *a, const X509 *b);
  unsigned long X509_subject_name_hash(X509 *x);
  
  # ifndef OPENSSL_NO_MD5
  unsigned long X509_issuer_name_hash_old(X509 *a);
  unsigned long X509_subject_name_hash_old(X509 *x);
  # endif
  
  int X509_cmp(const X509 *a, const X509 *b);
  int X509_NAME_cmp(const X509_NAME *a, const X509_NAME *b);
  unsigned long X509_NAME_hash(X509_NAME *x);
  unsigned long X509_NAME_hash_old(X509_NAME *x);
  
  int X509_CRL_cmp(const X509_CRL *a, const X509_CRL *b);
  int X509_CRL_match(const X509_CRL *a, const X509_CRL *b);
  int X509_aux_print(BIO *out, X509 *x, int indent);
  # ifndef OPENSSL_NO_STDIO
  int X509_print_ex_fp(FILE *bp, X509 *x, unsigned long nmflag,
                       unsigned long cflag);
  int X509_print_fp(FILE *bp, X509 *x);
  int X509_CRL_print_fp(FILE *bp, X509_CRL *x);
  int X509_REQ_print_fp(FILE *bp, X509_REQ *req);
  int X509_NAME_print_ex_fp(FILE *fp, const X509_NAME *nm, int indent,
                            unsigned long flags);
  # endif
  
  int X509_NAME_print(BIO *bp, const X509_NAME *name, int obase);
  int X509_NAME_print_ex(BIO *out, const X509_NAME *nm, int indent,
                         unsigned long flags);
  int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflag,
                    unsigned long cflag);
  int X509_print(BIO *bp, X509 *x);
  int X509_ocspid_print(BIO *bp, X509 *x);
  int X509_CRL_print(BIO *bp, X509_CRL *x);
  int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflag,
                        unsigned long cflag);
  int X509_REQ_print(BIO *bp, X509_REQ *req);
  
  int X509_NAME_entry_count(const X509_NAME *name);
  int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len);
  int X509_NAME_get_text_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj,
                                char *buf, int len);
  
  /*
   * NOTE: you should be passing -1, not 0 as lastpos. The functions that use
   * lastpos, search after that position on.
   */
  int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos);
  int X509_NAME_get_index_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj,
                                 int lastpos);
  X509_NAME_ENTRY *X509_NAME_get_entry(const X509_NAME *name, int loc);
  X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc);
  int X509_NAME_add_entry(X509_NAME *name, const X509_NAME_ENTRY *ne,
                          int loc, int set);
  int X509_NAME_add_entry_by_OBJ(X509_NAME *name, const ASN1_OBJECT *obj, int type,
                                 const unsigned char *bytes, int len, int loc,
                                 int set);
  int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type,
                                 const unsigned char *bytes, int len, int loc,
                                 int set);
  X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne,
                                                 const char *field, int type,
                                                 const unsigned char *bytes,
                                                 int len);
  X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid,
                                                 int type, 
                                                 const unsigned char *bytes,
                                                 int len);
  int X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type,
                                 const unsigned char *bytes, int len, int loc,
                                 int set);
  X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne,
                                                 const ASN1_OBJECT *obj, int type,
                                                 const unsigned char *bytes,
                                                 int len);
  int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, const ASN1_OBJECT *obj);
  int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
                               const unsigned char *bytes, int len);
  ASN1_OBJECT *X509_NAME_ENTRY_get_object(const X509_NAME_ENTRY *ne);
  ASN1_STRING * X509_NAME_ENTRY_get_data(const X509_NAME_ENTRY *ne);
  int X509_NAME_ENTRY_set(const X509_NAME_ENTRY *ne);
  
  int X509_NAME_get0_der(X509_NAME *nm, const unsigned char **pder,
                         size_t *pderlen);
  
  int X509v3_get_ext_count(const STACK_OF(X509_EXTENSION) *x);
  int X509v3_get_ext_by_NID(const STACK_OF(X509_EXTENSION) *x,
                            int nid, int lastpos);
  int X509v3_get_ext_by_OBJ(const STACK_OF(X509_EXTENSION) *x,
                            const ASN1_OBJECT *obj, int lastpos);
  int X509v3_get_ext_by_critical(const STACK_OF(X509_EXTENSION) *x,
                                 int crit, int lastpos);
  X509_EXTENSION *X509v3_get_ext(const STACK_OF(X509_EXTENSION) *x, int loc);
  X509_EXTENSION *X509v3_delete_ext(STACK_OF(X509_EXTENSION) *x, int loc);
  STACK_OF(X509_EXTENSION) *X509v3_add_ext(STACK_OF(X509_EXTENSION) **x,
                                           X509_EXTENSION *ex, int loc);
  
  int X509_get_ext_count(const X509 *x);
  int X509_get_ext_by_NID(const X509 *x, int nid, int lastpos);
  int X509_get_ext_by_OBJ(const X509 *x, const ASN1_OBJECT *obj, int lastpos);
  int X509_get_ext_by_critical(const X509 *x, int crit, int lastpos);
  X509_EXTENSION *X509_get_ext(const X509 *x, int loc);
  X509_EXTENSION *X509_delete_ext(X509 *x, int loc);
  int X509_add_ext(X509 *x, X509_EXTENSION *ex, int loc);
  void *X509_get_ext_d2i(const X509 *x, int nid, int *crit, int *idx);
  int X509_add1_ext_i2d(X509 *x, int nid, void *value, int crit,
                        unsigned long flags);
  
  int X509_CRL_get_ext_count(const X509_CRL *x);
  int X509_CRL_get_ext_by_NID(const X509_CRL *x, int nid, int lastpos);
  int X509_CRL_get_ext_by_OBJ(const X509_CRL *x, const ASN1_OBJECT *obj,
                              int lastpos);
  int X509_CRL_get_ext_by_critical(const X509_CRL *x, int crit, int lastpos);
  X509_EXTENSION *X509_CRL_get_ext(const X509_CRL *x, int loc);
  X509_EXTENSION *X509_CRL_delete_ext(X509_CRL *x, int loc);
  int X509_CRL_add_ext(X509_CRL *x, X509_EXTENSION *ex, int loc);
  void *X509_CRL_get_ext_d2i(const X509_CRL *x, int nid, int *crit, int *idx);
  int X509_CRL_add1_ext_i2d(X509_CRL *x, int nid, void *value, int crit,
                            unsigned long flags);
  
  int X509_REVOKED_get_ext_count(const X509_REVOKED *x);
  int X509_REVOKED_get_ext_by_NID(const X509_REVOKED *x, int nid, int lastpos);
  int X509_REVOKED_get_ext_by_OBJ(const X509_REVOKED *x, const ASN1_OBJECT *obj,
                                  int lastpos);
  int X509_REVOKED_get_ext_by_critical(const X509_REVOKED *x, int crit,
                                       int lastpos);
  X509_EXTENSION *X509_REVOKED_get_ext(const X509_REVOKED *x, int loc);
  X509_EXTENSION *X509_REVOKED_delete_ext(X509_REVOKED *x, int loc);
  int X509_REVOKED_add_ext(X509_REVOKED *x, X509_EXTENSION *ex, int loc);
  void *X509_REVOKED_get_ext_d2i(const X509_REVOKED *x, int nid, int *crit,
                                 int *idx);
  int X509_REVOKED_add1_ext_i2d(X509_REVOKED *x, int nid, void *value, int crit,
                                unsigned long flags);
  
  X509_EXTENSION *X509_EXTENSION_create_by_NID(X509_EXTENSION **ex,
                                               int nid, int crit,
                                               ASN1_OCTET_STRING *data);
  X509_EXTENSION *X509_EXTENSION_create_by_OBJ(X509_EXTENSION **ex,
                                               const ASN1_OBJECT *obj, int crit,
                                               ASN1_OCTET_STRING *data);
  int X509_EXTENSION_set_object(X509_EXTENSION *ex, const ASN1_OBJECT *obj);
  int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit);
  int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data);
  ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex);
  ASN1_OCTET_STRING *X509_EXTENSION_get_data(X509_EXTENSION *ne);
  int X509_EXTENSION_get_critical(const X509_EXTENSION *ex);
  
  int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x);
  int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
                             int lastpos);
  int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
                             const ASN1_OBJECT *obj, int lastpos);
  X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc);
  X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc);
  STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
                                             X509_ATTRIBUTE *attr);
  STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
                                                    **x, const ASN1_OBJECT *obj,
                                                    int type,
                                                    const unsigned char *bytes,
                                                    int len);
  STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE)
                                                    **x, int nid, int type,
                                                    const unsigned char *bytes,
                                                    int len);
  STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
                                                    **x, const char *attrname,
                                                    int type,
                                                    const unsigned char *bytes,
                                                    int len);
  void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
                                const ASN1_OBJECT *obj, int lastpos, int type);
  X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
                                               int atrtype, const void *data,
                                               int len);
  X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
                                               const ASN1_OBJECT *obj,
                                               int atrtype, const void *data,
                                               int len);
  X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
                                               const char *atrname, int type,
                                               const unsigned char *bytes,
                                               int len);
  int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj);
  int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
                               const void *data, int len);
  void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, int atrtype,
                                 void *data);
  int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr);
  ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr);
  ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx);
  
  int EVP_PKEY_get_attr_count(const EVP_PKEY *key);
  int EVP_PKEY_get_attr_by_NID(const EVP_PKEY *key, int nid, int lastpos);
  int EVP_PKEY_get_attr_by_OBJ(const EVP_PKEY *key, const ASN1_OBJECT *obj,
                               int lastpos);
  X509_ATTRIBUTE *EVP_PKEY_get_attr(const EVP_PKEY *key, int loc);
  X509_ATTRIBUTE *EVP_PKEY_delete_attr(EVP_PKEY *key, int loc);
  int EVP_PKEY_add1_attr(EVP_PKEY *key, X509_ATTRIBUTE *attr);
  int EVP_PKEY_add1_attr_by_OBJ(EVP_PKEY *key,
                                const ASN1_OBJECT *obj, int type,
                                const unsigned char *bytes, int len);
  int EVP_PKEY_add1_attr_by_NID(EVP_PKEY *key,
                                int nid, int type,
                                const unsigned char *bytes, int len);
  int EVP_PKEY_add1_attr_by_txt(EVP_PKEY *key,
                                const char *attrname, int type,
                                const unsigned char *bytes, int len);
  
  int X509_verify_cert(X509_STORE_CTX *ctx);
  
  /* lookup a cert from a X509 STACK */
  X509 *X509_find_by_issuer_and_serial(STACK_OF(X509) *sk, X509_NAME *name,
                                       ASN1_INTEGER *serial);
  X509 *X509_find_by_subject(STACK_OF(X509) *sk, X509_NAME *name);
  
  DECLARE_ASN1_FUNCTIONS(PBEPARAM)
  DECLARE_ASN1_FUNCTIONS(PBE2PARAM)
  DECLARE_ASN1_FUNCTIONS(PBKDF2PARAM)
  
  int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
                           const unsigned char *salt, int saltlen);
  
  X509_ALGOR *PKCS5_pbe_set(int alg, int iter,
                            const unsigned char *salt, int saltlen);
  X509_ALGOR *PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter,
                             unsigned char *salt, int saltlen);
  X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter,
                                unsigned char *salt, int saltlen,
                                unsigned char *aiv, int prf_nid);
  
  #ifndef OPENSSL_NO_SCRYPT
  X509_ALGOR *PKCS5_pbe2_set_scrypt(const EVP_CIPHER *cipher,
                                    const unsigned char *salt, int saltlen,
                                    unsigned char *aiv, uint64_t N, uint64_t r,
                                    uint64_t p);
  #endif
  
  X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen,
                               int prf_nid, int keylen);
  
  /* PKCS#8 utilities */
  
  DECLARE_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
  
  EVP_PKEY *EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *p8);
  PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey);
  
  int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
                      int version, int ptype, void *pval,
                      unsigned char *penc, int penclen);
  int PKCS8_pkey_get0(const ASN1_OBJECT **ppkalg,
                      const unsigned char **pk, int *ppklen,
                      const X509_ALGOR **pa, const PKCS8_PRIV_KEY_INFO *p8);
  
  const STACK_OF(X509_ATTRIBUTE) *
  PKCS8_pkey_get0_attrs(const PKCS8_PRIV_KEY_INFO *p8);
  int PKCS8_pkey_add1_attr_by_NID(PKCS8_PRIV_KEY_INFO *p8, int nid, int type,
                                  const unsigned char *bytes, int len);
  
  int X509_PUBKEY_set0_param(X509_PUBKEY *pub, ASN1_OBJECT *aobj,
                             int ptype, void *pval,
                             unsigned char *penc, int penclen);
  int X509_PUBKEY_get0_param(ASN1_OBJECT **ppkalg,
                             const unsigned char **pk, int *ppklen,
                             X509_ALGOR **pa, X509_PUBKEY *pub);
  
  int X509_check_trust(X509 *x, int id, int flags);
  int X509_TRUST_get_count(void);
  X509_TRUST *X509_TRUST_get0(int idx);
  int X509_TRUST_get_by_id(int id);
  int X509_TRUST_add(int id, int flags, int (*ck) (X509_TRUST *, X509 *, int),
                     const char *name, int arg1, void *arg2);
  void X509_TRUST_cleanup(void);
  int X509_TRUST_get_flags(const X509_TRUST *xp);
  char *X509_TRUST_get0_name(const X509_TRUST *xp);
  int X509_TRUST_get_trust(const X509_TRUST *xp);
  
  /* BEGIN ERROR CODES */
  /*
   * The following lines are auto generated by the script mkerr.pl. Any changes
   * made after this point may be overwritten when the script is next run.
   */
  
  int ERR_load_X509_strings(void);
  
  /* Error codes for the X509 functions. */
  
  /* Function codes. */
  # define X509_F_ADD_CERT_DIR                              100
  # define X509_F_BUILD_CHAIN                               106
  # define X509_F_BY_FILE_CTRL                              101
  # define X509_F_CHECK_NAME_CONSTRAINTS                    149
  # define X509_F_CHECK_POLICY                              145
  # define X509_F_DANE_I2D                                  107
  # define X509_F_DIR_CTRL                                  102
  # define X509_F_GET_CERT_BY_SUBJECT                       103
  # define X509_F_NETSCAPE_SPKI_B64_DECODE                  129
  # define X509_F_NETSCAPE_SPKI_B64_ENCODE                  130
  # define X509_F_X509AT_ADD1_ATTR                          135
  # define X509_F_X509V3_ADD_EXT                            104
  # define X509_F_X509_ATTRIBUTE_CREATE_BY_NID              136
  # define X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ              137
  # define X509_F_X509_ATTRIBUTE_CREATE_BY_TXT              140
  # define X509_F_X509_ATTRIBUTE_GET0_DATA                  139
  # define X509_F_X509_ATTRIBUTE_SET1_DATA                  138
  # define X509_F_X509_CHECK_PRIVATE_KEY                    128
  # define X509_F_X509_CRL_DIFF                             105
  # define X509_F_X509_CRL_PRINT_FP                         147
  # define X509_F_X509_EXTENSION_CREATE_BY_NID              108
  # define X509_F_X509_EXTENSION_CREATE_BY_OBJ              109
  # define X509_F_X509_GET_PUBKEY_PARAMETERS                110
  # define X509_F_X509_LOAD_CERT_CRL_FILE                   132
  # define X509_F_X509_LOAD_CERT_FILE                       111
  # define X509_F_X509_LOAD_CRL_FILE                        112
  # define X509_F_X509_LOOKUP_METH_NEW                      160
  # define X509_F_X509_NAME_ADD_ENTRY                       113
  # define X509_F_X509_NAME_ENTRY_CREATE_BY_NID             114
  # define X509_F_X509_NAME_ENTRY_CREATE_BY_TXT             131
  # define X509_F_X509_NAME_ENTRY_SET_OBJECT                115
  # define X509_F_X509_NAME_ONELINE                         116
  # define X509_F_X509_NAME_PRINT                           117
  # define X509_F_X509_OBJECT_NEW                           150
  # define X509_F_X509_PRINT_EX_FP                          118
  # define X509_F_X509_PUBKEY_DECODE                        148
  # define X509_F_X509_PUBKEY_GET0                          119
  # define X509_F_X509_PUBKEY_SET                           120
  # define X509_F_X509_REQ_CHECK_PRIVATE_KEY                144
  # define X509_F_X509_REQ_PRINT_EX                         121
  # define X509_F_X509_REQ_PRINT_FP                         122
  # define X509_F_X509_REQ_TO_X509                          123
  # define X509_F_X509_STORE_ADD_CERT                       124
  # define X509_F_X509_STORE_ADD_CRL                        125
  # define X509_F_X509_STORE_CTX_GET1_ISSUER                146
  # define X509_F_X509_STORE_CTX_INIT                       143
  # define X509_F_X509_STORE_CTX_NEW                        142
  # define X509_F_X509_STORE_CTX_PURPOSE_INHERIT            134
  # define X509_F_X509_TO_X509_REQ                          126
  # define X509_F_X509_TRUST_ADD                            133
  # define X509_F_X509_TRUST_SET                            141
  # define X509_F_X509_VERIFY_CERT                          127
  
  /* Reason codes. */
  # define X509_R_AKID_MISMATCH                             110
  # define X509_R_BAD_SELECTOR                              133
  # define X509_R_BAD_X509_FILETYPE                         100
  # define X509_R_BASE64_DECODE_ERROR                       118
  # define X509_R_CANT_CHECK_DH_KEY                         114
  # define X509_R_CERT_ALREADY_IN_HASH_TABLE                101
  # define X509_R_CRL_ALREADY_DELTA                         127
  # define X509_R_CRL_VERIFY_FAILURE                        131
  # define X509_R_IDP_MISMATCH                              128
  # define X509_R_INVALID_DIRECTORY                         113
  # define X509_R_INVALID_FIELD_NAME                        119
  # define X509_R_INVALID_TRUST                             123
  # define X509_R_ISSUER_MISMATCH                           129
  # define X509_R_KEY_TYPE_MISMATCH                         115
  # define X509_R_KEY_VALUES_MISMATCH                       116
  # define X509_R_LOADING_CERT_DIR                          103
  # define X509_R_LOADING_DEFAULTS                          104
  # define X509_R_METHOD_NOT_SUPPORTED                      124
  # define X509_R_NAME_TOO_LONG                             134
  # define X509_R_NEWER_CRL_NOT_NEWER                       132
  # define X509_R_NO_CERT_SET_FOR_US_TO_VERIFY              105
  # define X509_R_NO_CRL_NUMBER                             130
  # define X509_R_PUBLIC_KEY_DECODE_ERROR                   125
  # define X509_R_PUBLIC_KEY_ENCODE_ERROR                   126
  # define X509_R_SHOULD_RETRY                              106
  # define X509_R_UNABLE_TO_FIND_PARAMETERS_IN_CHAIN        107
  # define X509_R_UNABLE_TO_GET_CERTS_PUBLIC_KEY            108
  # define X509_R_UNKNOWN_KEY_TYPE                          117
  # define X509_R_UNKNOWN_NID                               109
  # define X509_R_UNKNOWN_PURPOSE_ID                        121
  # define X509_R_UNKNOWN_TRUST_ID                          120
  # define X509_R_UNSUPPORTED_ALGORITHM                     111
  # define X509_R_WRONG_LOOKUP_TYPE                         112
  # define X509_R_WRONG_TYPE                                122
  
  # ifdef  __cplusplus
  }
  # endif
  #endif
  