/*

 * Copyright 1995-2018 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 OPENSSL_EVP_H

# define OPENSSL_EVP_H

# pragma once

# include <openssl/macros.h>

# ifndef OPENSSL_NO_DEPRECATED_3_0

#  define HEADER_ENVELOPE_H

# endif

# include <stdarg.h>

# include <openssl/opensslconf.h>

# include <openssl/types.h>

# include <openssl/core.h>

# include <openssl/symhacks.h>

# include <openssl/bio.h>

# include <openssl/evperr.h>

# include <openssl/params.h>

# define EVP_MAX_MD_SIZE                 64/* longest known is SHA512 */

# define EVP_MAX_KEY_LENGTH              64

# define EVP_MAX_IV_LENGTH               16

# define EVP_MAX_BLOCK_LENGTH            32

# define PKCS5_SALT_LEN                  8

/* Default PKCS#5 iteration count */

# define PKCS5_DEFAULT_ITER              2048

# include <openssl/objects.h>

# define EVP_PK_RSA      0x0001

# define EVP_PK_DSA      0x0002

# define EVP_PK_DH       0x0004

# define EVP_PK_EC       0x0008

# define EVP_PKT_SIGN    0x0010

# define EVP_PKT_ENC     0x0020

# define EVP_PKT_EXCH    0x0040

# define EVP_PKS_RSA     0x0100

# define EVP_PKS_DSA     0x0200

# define EVP_PKS_EC      0x0400

# define EVP_PKEY_NONE   NID_undef

# define EVP_PKEY_RSA    NID_rsaEncryption

# define EVP_PKEY_RSA2   NID_rsa

# define EVP_PKEY_RSA_PSS NID_rsassaPss

# define EVP_PKEY_DSA    NID_dsa

# define EVP_PKEY_DSA1   NID_dsa_2

# define EVP_PKEY_DSA2   NID_dsaWithSHA

# define EVP_PKEY_DSA3   NID_dsaWithSHA1

# define EVP_PKEY_DSA4   NID_dsaWithSHA1_2

# define EVP_PKEY_DH     NID_dhKeyAgreement

# define EVP_PKEY_DHX    NID_dhpublicnumber

# define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey

# define EVP_PKEY_SM2    NID_sm2

# define EVP_PKEY_HMAC   NID_hmac

# define EVP_PKEY_CMAC   NID_cmac

# define EVP_PKEY_SCRYPT NID_id_scrypt

# define EVP_PKEY_TLS1_PRF NID_tls1_prf

# define EVP_PKEY_HKDF   NID_hkdf

# define EVP_PKEY_POLY1305 NID_poly1305

# define EVP_PKEY_SIPHASH NID_siphash

# define EVP_PKEY_X25519 NID_X25519

# define EVP_PKEY_ED25519 NID_ED25519

# define EVP_PKEY_X448 NID_X448

# define EVP_PKEY_ED448 NID_ED448

#ifdef  __cplusplus

extern "C" {

#endif

int EVP_set_default_properties(OPENSSL_CTX *libctx, const char *propq);

# define EVP_PKEY_MO_SIGN        0x0001

# define EVP_PKEY_MO_VERIFY      0x0002

# define EVP_PKEY_MO_ENCRYPT     0x0004

# define EVP_PKEY_MO_DECRYPT     0x0008

# ifndef EVP_MD

EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type);

EVP_MD *EVP_MD_meth_dup(const EVP_MD *md);

void EVP_MD_meth_free(EVP_MD *md);

int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize);

int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize);

int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize);

int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags);

int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx));

int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx,

                                                     const void *data,

                                                     size_t count));

int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,

                                                   unsigned char *md));

int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,

                                                 const EVP_MD_CTX *from));

int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx));

int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,

                                                 int p1, void *p2));

int EVP_MD_meth_get_input_blocksize(const EVP_MD *md);

int EVP_MD_meth_get_result_size(const EVP_MD *md);

int EVP_MD_meth_get_app_datasize(const EVP_MD *md);

unsigned long EVP_MD_meth_get_flags(const EVP_MD *md);

int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx);

int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,

                                                const void *data,

                                                size_t count);

int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,

                                               unsigned char *md);

int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,

                                              const EVP_MD_CTX *from);

int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx);

int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,

                                              int p1, void *p2);

/* digest can only handle a single block */

#  define EVP_MD_FLAG_ONESHOT     0x0001

/* digest is extensible-output function, XOF */

#  define EVP_MD_FLAG_XOF         0x0002

/* DigestAlgorithmIdentifier flags... */

#  define EVP_MD_FLAG_DIGALGID_MASK               0x0018

/* NULL or absent parameter accepted. Use NULL */

#  define EVP_MD_FLAG_DIGALGID_NULL               0x0000

/* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */

#  define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008

/* Custom handling via ctrl */

#  define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018

/* Note if suitable for use in FIPS mode */

#  define EVP_MD_FLAG_FIPS        0x0400

/* Digest ctrls */

#  define EVP_MD_CTRL_DIGALGID                    0x1

#  define EVP_MD_CTRL_MICALG                      0x2

#  define EVP_MD_CTRL_XOF_LEN                     0x3

/* Minimum Algorithm specific ctrl value */

#  define EVP_MD_CTRL_ALG_CTRL                    0x1000

# endif                         /* !EVP_MD */

/* values for EVP_MD_CTX flags */

# define EVP_MD_CTX_FLAG_ONESHOT         0x0001/* digest update will be

                                                * called once only */

# define EVP_MD_CTX_FLAG_CLEANED         0x0002/* context has already been

                                                * cleaned */

# define EVP_MD_CTX_FLAG_REUSE           0x0004/* Don't free up ctx->md_data

                                                * in EVP_MD_CTX_reset */

/*

 * FIPS and pad options are ignored in 1.0.0, definitions are here so we

 * don't accidentally reuse the values for other purposes.

 */

# define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008/* Allow use of non FIPS

                                                * digest in FIPS mode */

/*

 * The following PAD options are also currently ignored in 1.0.0, digest

 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()

 * instead.

 */

# define EVP_MD_CTX_FLAG_PAD_MASK        0xF0/* RSA mode to use */

# define EVP_MD_CTX_FLAG_PAD_PKCS1       0x00/* PKCS#1 v1.5 mode */

# define EVP_MD_CTX_FLAG_PAD_X931        0x10/* X9.31 mode */

# define EVP_MD_CTX_FLAG_PAD_PSS         0x20/* PSS mode */

# define EVP_MD_CTX_FLAG_NO_INIT         0x0100/* Don't initialize md_data */

/*

 * Some functions such as EVP_DigestSign only finalise copies of internal

 * contexts so additional data can be included after the finalisation call.

 * This is inefficient if this functionality is not required: it is disabled

 * if the following flag is set.

 */

# define EVP_MD_CTX_FLAG_FINALISE        0x0200

/* NOTE: 0x0400 is reserved for internal usage */

EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len);

EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher);

void EVP_CIPHER_meth_free(EVP_CIPHER *cipher);

int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len);

int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags);

int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size);

int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,

                             int (*init) (EVP_CIPHER_CTX *ctx,

                                          const unsigned char *key,

                                          const unsigned char *iv,

                                          int enc));

int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,

                                  int (*do_cipher) (EVP_CIPHER_CTX *ctx,

                                                    unsigned char *out,

                                                    const unsigned char *in,

                                                    size_t inl));

int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,

                                int (*cleanup) (EVP_CIPHER_CTX *));

int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,

                                        int (*set_asn1_parameters) (EVP_CIPHER_CTX *,

                                                                    ASN1_TYPE *));

int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,

                                        int (*get_asn1_parameters) (EVP_CIPHER_CTX *,

                                                                    ASN1_TYPE *));

int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,

                             int (*ctrl) (EVP_CIPHER_CTX *, int type,

                                          int arg, void *ptr));

int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,

                                                          const unsigned char *key,

                                                          const unsigned char *iv,

                                                          int enc);

int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,

                                                               unsigned char *out,

                                                               const unsigned char *in,

                                                               size_t inl);

int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *);

int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,

                                                                     ASN1_TYPE *);

int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,

                                                               ASN1_TYPE *);

int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,

                                                          int type, int arg,

                                                          void *ptr);

/* Values for cipher flags */

/* Modes for ciphers */

# define         EVP_CIPH_STREAM_CIPHER          0x0

# define         EVP_CIPH_ECB_MODE               0x1

# define         EVP_CIPH_CBC_MODE               0x2

# define         EVP_CIPH_CFB_MODE               0x3

# define         EVP_CIPH_OFB_MODE               0x4

# define         EVP_CIPH_CTR_MODE               0x5

# define         EVP_CIPH_GCM_MODE               0x6

# define         EVP_CIPH_CCM_MODE               0x7

# define         EVP_CIPH_XTS_MODE               0x10001

# define         EVP_CIPH_WRAP_MODE              0x10002

# define         EVP_CIPH_OCB_MODE               0x10003

# define         EVP_CIPH_SIV_MODE               0x10004

# define         EVP_CIPH_MODE                   0xF0007

/* Set if variable length cipher */

# define         EVP_CIPH_VARIABLE_LENGTH        0x8

/* Set if the iv handling should be done by the cipher itself */

# define         EVP_CIPH_CUSTOM_IV              0x10

/* Set if the cipher's init() function should be called if key is NULL */

# define         EVP_CIPH_ALWAYS_CALL_INIT       0x20

/* Call ctrl() to init cipher parameters */

# define         EVP_CIPH_CTRL_INIT              0x40

/* Don't use standard key length function */

# define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80

/* Don't use standard block padding */

# define         EVP_CIPH_NO_PADDING             0x100

/* cipher handles random key generation */

# define         EVP_CIPH_RAND_KEY               0x200

/* cipher has its own additional copying logic */

# define         EVP_CIPH_CUSTOM_COPY            0x400

/* Don't use standard iv length function */

# define         EVP_CIPH_CUSTOM_IV_LENGTH       0x800

/* Legacy and no longer relevant: Allow use default ASN1 get/set iv */

# define         EVP_CIPH_FLAG_DEFAULT_ASN1      0

/* Free:                                         0x1000 */

/* Buffer length in bits not bytes: CFB1 mode only */

# define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000

/* Note if suitable for use in FIPS mode */

# define         EVP_CIPH_FLAG_FIPS              0x4000

/* Allow non FIPS cipher in FIPS mode */

# define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000

/*

 * Cipher handles any and all padding logic as well as finalisation.

 */

# define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000

# define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000

# define         EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0x400000

/* Cipher can handle pipeline operations */

# define         EVP_CIPH_FLAG_PIPELINE          0X800000

/* For provider implementations that handle  ASN1 get/set param themselves */

# define         EVP_CIPH_FLAG_CUSTOM_ASN1       0x1000000

/*

 * Cipher context flag to indicate we can handle wrap mode: if allowed in

 * older applications it could overflow buffers.

 */

# define         EVP_CIPHER_CTX_FLAG_WRAP_ALLOW  0x1

/* ctrl() values */

# define         EVP_CTRL_INIT                   0x0

# define         EVP_CTRL_SET_KEY_LENGTH         0x1

# define         EVP_CTRL_GET_RC2_KEY_BITS       0x2

# define         EVP_CTRL_SET_RC2_KEY_BITS       0x3

# define         EVP_CTRL_GET_RC5_ROUNDS         0x4

# define         EVP_CTRL_SET_RC5_ROUNDS         0x5

# define         EVP_CTRL_RAND_KEY               0x6

# define         EVP_CTRL_PBE_PRF_NID            0x7

# define         EVP_CTRL_COPY                   0x8

# define         EVP_CTRL_AEAD_SET_IVLEN         0x9

# define         EVP_CTRL_AEAD_GET_TAG           0x10

# define         EVP_CTRL_AEAD_SET_TAG           0x11

# define         EVP_CTRL_AEAD_SET_IV_FIXED      0x12

# define         EVP_CTRL_GCM_SET_IVLEN          EVP_CTRL_AEAD_SET_IVLEN

# define         EVP_CTRL_GCM_GET_TAG            EVP_CTRL_AEAD_GET_TAG

# define         EVP_CTRL_GCM_SET_TAG            EVP_CTRL_AEAD_SET_TAG

# define         EVP_CTRL_GCM_SET_IV_FIXED       EVP_CTRL_AEAD_SET_IV_FIXED

# define         EVP_CTRL_GCM_IV_GEN             0x13

# define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_AEAD_SET_IVLEN

# define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_AEAD_GET_TAG

# define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_AEAD_SET_TAG

# define         EVP_CTRL_CCM_SET_IV_FIXED       EVP_CTRL_AEAD_SET_IV_FIXED

# define         EVP_CTRL_CCM_SET_L              0x14

# define         EVP_CTRL_CCM_SET_MSGLEN         0x15

/*

 * AEAD cipher deduces payload length and returns number of bytes required to

 * store MAC and eventual padding. Subsequent call to EVP_Cipher even

 * appends/verifies MAC.

 */

# define         EVP_CTRL_AEAD_TLS1_AAD          0x16

/* Used by composite AEAD ciphers, no-op in GCM, CCM... */

# define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17

/* Set the GCM invocation field, decrypt only */

# define         EVP_CTRL_GCM_SET_IV_INV         0x18

# define         EVP_CTRL_TLS1_1_MULTIBLOCK_AAD  0x19

# define         EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT      0x1a

# define         EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT      0x1b

# define         EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE  0x1c

# define         EVP_CTRL_SSL3_MASTER_SECRET             0x1d

/* EVP_CTRL_SET_SBOX takes the char * specifying S-boxes */

# define         EVP_CTRL_SET_SBOX                       0x1e

/*

 * EVP_CTRL_SBOX_USED takes a 'size_t' and 'char *', pointing at a

 * pre-allocated buffer with specified size

 */

# define         EVP_CTRL_SBOX_USED                      0x1f

/* EVP_CTRL_KEY_MESH takes 'size_t' number of bytes to mesh the key after,

 * 0 switches meshing off

 */

# define         EVP_CTRL_KEY_MESH                       0x20

/* EVP_CTRL_BLOCK_PADDING_MODE takes the padding mode */

# define         EVP_CTRL_BLOCK_PADDING_MODE             0x21

/* Set the output buffers to use for a pipelined operation */

# define         EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS       0x22

/* Set the input buffers to use for a pipelined operation */

# define         EVP_CTRL_SET_PIPELINE_INPUT_BUFS        0x23

/* Set the input buffer lengths to use for a pipelined operation */

# define         EVP_CTRL_SET_PIPELINE_INPUT_LENS        0x24

/* Get the IV length used by the cipher */

# define         EVP_CTRL_GET_IVLEN                      0x25

/* Get the IV used by the cipher */

# define         EVP_CTRL_GET_IV                         0x26

/* Tell the cipher it's doing a speed test (SIV disallows multiple ops) */

# define         EVP_CTRL_SET_SPEED                      0x27

/* Padding modes */

#define EVP_PADDING_PKCS7       1

#define EVP_PADDING_ISO7816_4   2

#define EVP_PADDING_ANSI923     3

#define EVP_PADDING_ISO10126    4

#define EVP_PADDING_ZERO        5

/* RFC 5246 defines additional data to be 13 bytes in length */

# define         EVP_AEAD_TLS1_AAD_LEN           13

typedef struct {

    unsigned char *out;

    const unsigned char *inp;

    size_t len;

    unsigned int interleave;

} EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM;

/* GCM TLS constants */

/* Length of fixed part of IV derived from PRF */

# define EVP_GCM_TLS_FIXED_IV_LEN                        4

/* Length of explicit part of IV part of TLS records */

# define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8

/* Length of tag for TLS */

# define EVP_GCM_TLS_TAG_LEN                             16

/* CCM TLS constants */

/* Length of fixed part of IV derived from PRF */

# define EVP_CCM_TLS_FIXED_IV_LEN                        4

/* Length of explicit part of IV part of TLS records */

# define EVP_CCM_TLS_EXPLICIT_IV_LEN                     8

/* Total length of CCM IV length for TLS */

# define EVP_CCM_TLS_IV_LEN                              12

/* Length of tag for TLS */

# define EVP_CCM_TLS_TAG_LEN                             16

/* Length of CCM8 tag for TLS */

# define EVP_CCM8_TLS_TAG_LEN                            8

/* Length of tag for TLS */

# define EVP_CHACHAPOLY_TLS_TAG_LEN                      16

typedef struct evp_cipher_info_st {

    const EVP_CIPHER *cipher;

    unsigned char iv[EVP_MAX_IV_LENGTH];

} EVP_CIPHER_INFO;

/* Password based encryption function */

typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,

                              int passlen, ASN1_TYPE *param,

                              const EVP_CIPHER *cipher, const EVP_MD *md,

                              int en_de);

# ifndef OPENSSL_NO_RSA

#  define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\

                                        (rsa))

# endif

# ifndef OPENSSL_NO_DSA

#  define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\

                                        (dsa))

# endif

# ifndef OPENSSL_NO_DH

#  define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,(dh))

# endif

# ifndef OPENSSL_NO_EC

#  define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\

                                        (eckey))

# endif

# ifndef OPENSSL_NO_SIPHASH

#  define EVP_PKEY_assign_SIPHASH(pkey,shkey) EVP_PKEY_assign((pkey),\

                                        EVP_PKEY_SIPHASH,(shkey))

# endif

# ifndef OPENSSL_NO_POLY1305

#  define EVP_PKEY_assign_POLY1305(pkey,polykey) EVP_PKEY_assign((pkey),\

                                        EVP_PKEY_POLY1305,(polykey))

# endif

/* Add some extra combinations */

# define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))

# define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))

# define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))

# define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))

int EVP_MD_type(const EVP_MD *md);

# define EVP_MD_nid(e)                   EVP_MD_type(e)

const char *EVP_MD_name(const EVP_MD *md);

int EVP_MD_number(const EVP_MD *md);

int EVP_MD_is_a(const EVP_MD *md, const char *name);

void EVP_MD_names_do_all(const EVP_MD *md,

                         void (*fn)(const char *name, void *data),

                         void *data);

const OSSL_PROVIDER *EVP_MD_provider(const EVP_MD *md);

int EVP_MD_pkey_type(const EVP_MD *md);

int EVP_MD_size(const EVP_MD *md);

int EVP_MD_block_size(const EVP_MD *md);

unsigned long EVP_MD_flags(const EVP_MD *md);

const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);

int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,

                                             const void *data, size_t count);

void EVP_MD_CTX_set_update_fn(EVP_MD_CTX *ctx,

                              int (*update) (EVP_MD_CTX *ctx,

                                             const void *data, size_t count));

# define EVP_MD_CTX_name(e)              EVP_MD_name(EVP_MD_CTX_md(e))

# define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))

# define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))

# define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))

EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx);

void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx);

void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx);

int EVP_CIPHER_nid(const EVP_CIPHER *cipher);

const char *EVP_CIPHER_name(const EVP_CIPHER *cipher);

int EVP_CIPHER_number(const EVP_CIPHER *cipher);

int EVP_CIPHER_is_a(const EVP_CIPHER *cipher, const char *name);

void EVP_CIPHER_names_do_all(const EVP_CIPHER *cipher,

                             void (*fn)(const char *name, void *data),

                             void *data);

const OSSL_PROVIDER *EVP_CIPHER_provider(const EVP_CIPHER *cipher);

int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);

int EVP_CIPHER_impl_ctx_size(const EVP_CIPHER *cipher);

int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);

int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);

unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);

int EVP_CIPHER_mode(const EVP_CIPHER *cipher);

EVP_CIPHER *EVP_CIPHER_fetch(OPENSSL_CTX *ctx, const char *algorithm,

                             const char *properties);

int EVP_CIPHER_up_ref(EVP_CIPHER *cipher);

void EVP_CIPHER_free(EVP_CIPHER *cipher);

const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_tag_length(const EVP_CIPHER_CTX *ctx);

const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx);

const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx);

unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx);

unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_num(const EVP_CIPHER_CTX *ctx);

int EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num);

int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);

void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);

void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);

void *EVP_CIPHER_CTX_get_cipher_data(const EVP_CIPHER_CTX *ctx);

void *EVP_CIPHER_CTX_set_cipher_data(EVP_CIPHER_CTX *ctx, void *cipher_data);

# define EVP_CIPHER_CTX_name(c)         EVP_CIPHER_name(EVP_CIPHER_CTX_cipher(c))

# define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))

# ifndef OPENSSL_NO_DEPRECATED_1_1_0

#  define EVP_CIPHER_CTX_flags(c)       EVP_CIPHER_flags(EVP_CIPHER_CTX_cipher(c))

# endif

# define EVP_CIPHER_CTX_mode(c)         EVP_CIPHER_mode(EVP_CIPHER_CTX_cipher(c))

# define EVP_ENCODE_LENGTH(l)    ((((l)+2)/3*4)+((l)/48+1)*2+80)

# define EVP_DECODE_LENGTH(l)    (((l)+3)/4*3+80)

# define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)

# define EVP_SignInit(a,b)               EVP_DigestInit(a,b)

# define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)

# define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)

# define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)

# define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)

# define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)

# define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)

# ifdef CONST_STRICT

void BIO_set_md(BIO *, const EVP_MD *md);

# else

#  define BIO_set_md(b,md)          BIO_ctrl(b,BIO_C_SET_MD,0,(void *)(md))

# endif

# define BIO_get_md(b,mdp)          BIO_ctrl(b,BIO_C_GET_MD,0,(mdp))

# define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(mdcp))

# define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(mdcp))

# define BIO_get_cipher_status(b)   BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)

# define BIO_get_cipher_ctx(b,c_pp) BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(c_pp))

/*__owur*/ int EVP_Cipher(EVP_CIPHER_CTX *c,

                          unsigned char *out,

                          const unsigned char *in, unsigned int inl);

# define EVP_add_cipher_alias(n,alias) \

        OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))

# define EVP_add_digest_alias(n,alias) \

        OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))

# define EVP_delete_cipher_alias(alias) \

        OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);

# define EVP_delete_digest_alias(alias) \

        OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);

int EVP_MD_get_params(const EVP_MD *digest, OSSL_PARAM params[]);

int EVP_MD_CTX_set_params(EVP_MD_CTX *ctx, const OSSL_PARAM params[]);

int EVP_MD_CTX_get_params(EVP_MD_CTX *ctx, OSSL_PARAM params[]);

const OSSL_PARAM *EVP_MD_gettable_params(const EVP_MD *digest);

const OSSL_PARAM *EVP_MD_settable_ctx_params(const EVP_MD *md);

const OSSL_PARAM *EVP_MD_gettable_ctx_params(const EVP_MD *md);

const OSSL_PARAM *EVP_MD_CTX_settable_params(EVP_MD_CTX *ctx);

const OSSL_PARAM *EVP_MD_CTX_gettable_params(EVP_MD_CTX *ctx);

int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);

EVP_MD_CTX *EVP_MD_CTX_new(void);

int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);

void EVP_MD_CTX_free(EVP_MD_CTX *ctx);

# define EVP_MD_CTX_create()     EVP_MD_CTX_new()

# define EVP_MD_CTX_init(ctx)    EVP_MD_CTX_reset((ctx))

# define EVP_MD_CTX_destroy(ctx) EVP_MD_CTX_free((ctx))

__owur int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);

void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);

void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);

int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);

__owur int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type,

                                 ENGINE *impl);

__owur int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d,

                                size_t cnt);

__owur int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md,

                                  unsigned int *s);

__owur int EVP_Digest(const void *data, size_t count,

                          unsigned char *md, unsigned int *size,

                          const EVP_MD *type, ENGINE *impl);

__owur int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);

__owur int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);

__owur int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md,

                           unsigned int *s);

__owur int EVP_DigestFinalXOF(EVP_MD_CTX *ctx, unsigned char *md,

                              size_t len);

__owur EVP_MD *EVP_MD_fetch(OPENSSL_CTX *ctx, const char *algorithm,

                            const char *properties);

int EVP_MD_up_ref(EVP_MD *md);

void EVP_MD_free(EVP_MD *md);

int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);

int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,

                           const char *prompt, int verify);

void EVP_set_pw_prompt(const char *prompt);

char *EVP_get_pw_prompt(void);

__owur int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,

                          const unsigned char *salt,

                          const unsigned char *data, int datal, int count,

                          unsigned char *key, unsigned char *iv);

void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);

void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);

int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);

__owur int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,

                           const unsigned char *key, const unsigned char *iv);

/*__owur*/ int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,

                                  const EVP_CIPHER *cipher, ENGINE *impl,

                                  const unsigned char *key,

                                  const unsigned char *iv);

/*__owur*/ int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,

                                 int *outl, const unsigned char *in, int inl);

/*__owur*/ int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,

                                   int *outl);

/*__owur*/ int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out,

                                int *outl);

__owur int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,

                           const unsigned char *key, const unsigned char *iv);

/*__owur*/ int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,

                                  const EVP_CIPHER *cipher, ENGINE *impl,

                                  const unsigned char *key,

                                  const unsigned char *iv);

/*__owur*/ int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,

                                 int *outl, const unsigned char *in, int inl);

__owur int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,

                            int *outl);

/*__owur*/ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,

                                   int *outl);

__owur int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,

                          const unsigned char *key, const unsigned char *iv,

                          int enc);

/*__owur*/ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,

                                 const EVP_CIPHER *cipher, ENGINE *impl,

                                 const unsigned char *key,

                                 const unsigned char *iv, int enc);

__owur int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,

                            int *outl, const unsigned char *in, int inl);

__owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,

                           int *outl);

__owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,

                              int *outl);

__owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,

                         EVP_PKEY *pkey);

__owur int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret,

                          size_t *siglen, const unsigned char *tbs,

                          size_t tbslen);

__owur int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,

                           unsigned int siglen, EVP_PKEY *pkey);

__owur int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret,

                            size_t siglen, const unsigned char *tbs,

                            size_t tbslen);

int EVP_DigestSignInit_ex(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,

                          const char *mdname, const char *props,

                          EVP_PKEY *pkey);

/*__owur*/ int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,

                                  const EVP_MD *type, ENGINE *e,

                                  EVP_PKEY *pkey);

int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize);

__owur int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,

                               size_t *siglen);

int EVP_DigestVerifyInit_ex(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,

                            const char *mdname, const char *props,

                            EVP_PKEY *pkey);

__owur int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,

                                const EVP_MD *type, ENGINE *e,

                                EVP_PKEY *pkey);

int EVP_DigestVerifyUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize);

__owur int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,

                                 size_t siglen);

# ifndef OPENSSL_NO_RSA

__owur int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,

                        const unsigned char *ek, int ekl,

                        const unsigned char *iv, EVP_PKEY *priv);

__owur int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);

__owur int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,

                        unsigned char **ek, int *ekl, unsigned char *iv,

                        EVP_PKEY **pubk, int npubk);

__owur int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);

# endif

EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void);

void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx);

int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, const EVP_ENCODE_CTX *sctx);

int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx);

void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);

int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,

                     const unsigned char *in, int inl);

void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);

int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);

void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);

int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,

                     const unsigned char *in, int inl);

int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned

                    char *out, int *outl);

int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);

# ifndef OPENSSL_NO_DEPRECATED_1_1_0

#  define EVP_CIPHER_CTX_init(c)      EVP_CIPHER_CTX_reset(c)

#  define EVP_CIPHER_CTX_cleanup(c)   EVP_CIPHER_CTX_reset(c)

# endif

EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);

int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *c);

void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *c);

int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);

int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);

int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);

int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);

int EVP_CIPHER_get_params(EVP_CIPHER *cipher, OSSL_PARAM params[]);

int EVP_CIPHER_CTX_set_params(EVP_CIPHER_CTX *ctx, const OSSL_PARAM params[]);

int EVP_CIPHER_CTX_get_params(EVP_CIPHER_CTX *ctx, OSSL_PARAM params[]);

const OSSL_PARAM *EVP_CIPHER_gettable_params(const EVP_CIPHER *cipher);

const OSSL_PARAM *EVP_CIPHER_settable_ctx_params(const EVP_CIPHER *cipher);

const OSSL_PARAM *EVP_CIPHER_gettable_ctx_params(const EVP_CIPHER *cipher);

const BIO_METHOD *BIO_f_md(void);

const BIO_METHOD *BIO_f_base64(void);

const BIO_METHOD *BIO_f_cipher(void);

const BIO_METHOD *BIO_f_reliable(void);

__owur int BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,

                          const unsigned char *i, int enc);

const EVP_MD *EVP_md_null(void);

# ifndef OPENSSL_NO_MD2

const EVP_MD *EVP_md2(void);

# endif

# ifndef OPENSSL_NO_MD4

const EVP_MD *EVP_md4(void);

# endif

# ifndef OPENSSL_NO_MD5

const EVP_MD *EVP_md5(void);

const EVP_MD *EVP_md5_sha1(void);

# endif

# ifndef OPENSSL_NO_BLAKE2

const EVP_MD *EVP_blake2b512(void);

const EVP_MD *EVP_blake2s256(void);

# endif

const EVP_MD *EVP_sha1(void);

const EVP_MD *EVP_sha224(void);

const EVP_MD *EVP_sha256(void);

const EVP_MD *EVP_sha384(void);

const EVP_MD *EVP_sha512(void);

const EVP_MD *EVP_sha512_224(void);

const EVP_MD *EVP_sha512_256(void);

const EVP_MD *EVP_sha3_224(void);

const EVP_MD *EVP_sha3_256(void);

const EVP_MD *EVP_sha3_384(void);

const EVP_MD *EVP_sha3_512(void);

const EVP_MD *EVP_shake128(void);

const EVP_MD *EVP_shake256(void);

# ifndef OPENSSL_NO_MDC2

const EVP_MD *EVP_mdc2(void);

# endif

# ifndef OPENSSL_NO_RMD160

const EVP_MD *EVP_ripemd160(void);

# endif

# ifndef OPENSSL_NO_WHIRLPOOL

const EVP_MD *EVP_whirlpool(void);

# endif

# ifndef OPENSSL_NO_SM3

const EVP_MD *EVP_sm3(void);

# endif

const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */

# ifndef OPENSSL_NO_DES

const EVP_CIPHER *EVP_des_ecb(void);

const EVP_CIPHER *EVP_des_ede(void);

const EVP_CIPHER *EVP_des_ede3(void);

const EVP_CIPHER *EVP_des_ede_ecb(void);

const EVP_CIPHER *EVP_des_ede3_ecb(void);

const EVP_CIPHER *EVP_des_cfb64(void);

#  define EVP_des_cfb EVP_des_cfb64

const EVP_CIPHER *EVP_des_cfb1(void);

const EVP_CIPHER *EVP_des_cfb8(void);

const EVP_CIPHER *EVP_des_ede_cfb64(void);

#  define EVP_des_ede_cfb EVP_des_ede_cfb64

const EVP_CIPHER *EVP_des_ede3_cfb64(void);

#  define EVP_des_ede3_cfb EVP_des_ede3_cfb64

const EVP_CIPHER *EVP_des_ede3_cfb1(void);

const EVP_CIPHER *EVP_des_ede3_cfb8(void);

const EVP_CIPHER *EVP_des_ofb(void);

const EVP_CIPHER *EVP_des_ede_ofb(void);

const EVP_CIPHER *EVP_des_ede3_ofb(void);

const EVP_CIPHER *EVP_des_cbc(void);

const EVP_CIPHER *EVP_des_ede_cbc(void);

const EVP_CIPHER *EVP_des_ede3_cbc(void);

const EVP_CIPHER *EVP_desx_cbc(void);

const EVP_CIPHER *EVP_des_ede3_wrap(void);

/*

 * This should now be supported through the dev_crypto ENGINE. But also, why

 * are rc4 and md5 declarations made here inside a "NO_DES" precompiler

 * branch?

 */

# endif

# ifndef OPENSSL_NO_RC4

const EVP_CIPHER *EVP_rc4(void);

const EVP_CIPHER *EVP_rc4_40(void);

#  ifndef OPENSSL_NO_MD5

const EVP_CIPHER *EVP_rc4_hmac_md5(void);

#  endif

# endif

# ifndef OPENSSL_NO_IDEA

const EVP_CIPHER *EVP_idea_ecb(void);

const EVP_CIPHER *EVP_idea_cfb64(void);

#  define EVP_idea_cfb EVP_idea_cfb64

const EVP_CIPHER *EVP_idea_ofb(void);

const EVP_CIPHER *EVP_idea_cbc(void);

# endif

# ifndef OPENSSL_NO_RC2

const EVP_CIPHER *EVP_rc2_ecb(void);

const EVP_CIPHER *EVP_rc2_cbc(void);

const EVP_CIPHER *EVP_rc2_40_cbc(void);

const EVP_CIPHER *EVP_rc2_64_cbc(void);

const EVP_CIPHER *EVP_rc2_cfb64(void);

#  define EVP_rc2_cfb EVP_rc2_cfb64

const EVP_CIPHER *EVP_rc2_ofb(void);

# endif

# ifndef OPENSSL_NO_BF

const EVP_CIPHER *EVP_bf_ecb(void);

const EVP_CIPHER *EVP_bf_cbc(void);

const EVP_CIPHER *EVP_bf_cfb64(void);

#  define EVP_bf_cfb EVP_bf_cfb64

const EVP_CIPHER *EVP_bf_ofb(void);

# endif

# ifndef OPENSSL_NO_CAST

const EVP_CIPHER *EVP_cast5_ecb(void);

const EVP_CIPHER *EVP_cast5_cbc(void);

const EVP_CIPHER *EVP_cast5_cfb64(void);

#  define EVP_cast5_cfb EVP_cast5_cfb64

const EVP_CIPHER *EVP_cast5_ofb(void);

# endif

# ifndef OPENSSL_NO_RC5

const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);

const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);

const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);

#  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64

const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);

# endif

const EVP_CIPHER *EVP_aes_128_ecb(void);

const EVP_CIPHER *EVP_aes_128_cbc(void);

const EVP_CIPHER *EVP_aes_128_cfb1(void);

const EVP_CIPHER *EVP_aes_128_cfb8(void);

const EVP_CIPHER *EVP_aes_128_cfb128(void);

# define EVP_aes_128_cfb EVP_aes_128_cfb128

const EVP_CIPHER *EVP_aes_128_ofb(void);

const EVP_CIPHER *EVP_aes_128_ctr(void);

const EVP_CIPHER *EVP_aes_128_ccm(void);

const EVP_CIPHER *EVP_aes_128_gcm(void);

const EVP_CIPHER *EVP_aes_128_xts(void);

const EVP_CIPHER *EVP_aes_128_wrap(void);

const EVP_CIPHER *EVP_aes_128_wrap_pad(void);

# ifndef OPENSSL_NO_OCB

const EVP_CIPHER *EVP_aes_128_ocb(void);

# endif

const EVP_CIPHER *EVP_aes_192_ecb(void);

const EVP_CIPHER *EVP_aes_192_cbc(void);

const EVP_CIPHER *EVP_aes_192_cfb1(void);

const EVP_CIPHER *EVP_aes_192_cfb8(void);

const EVP_CIPHER *EVP_aes_192_cfb128(void);

# define EVP_aes_192_cfb EVP_aes_192_cfb128

const EVP_CIPHER *EVP_aes_192_ofb(void);

const EVP_CIPHER *EVP_aes_192_ctr(void);

const EVP_CIPHER *EVP_aes_192_ccm(void);

const EVP_CIPHER *EVP_aes_192_gcm(void);

const EVP_CIPHER *EVP_aes_192_wrap(void);

const EVP_CIPHER *EVP_aes_192_wrap_pad(void);

# ifndef OPENSSL_NO_OCB

const EVP_CIPHER *EVP_aes_192_ocb(void);

# endif

const EVP_CIPHER *EVP_aes_256_ecb(void);

const EVP_CIPHER *EVP_aes_256_cbc(void);

const EVP_CIPHER *EVP_aes_256_cfb1(void);

const EVP_CIPHER *EVP_aes_256_cfb8(void);

const EVP_CIPHER *EVP_aes_256_cfb128(void);

# define EVP_aes_256_cfb EVP_aes_256_cfb128

const EVP_CIPHER *EVP_aes_256_ofb(void);

const EVP_CIPHER *EVP_aes_256_ctr(void);

const EVP_CIPHER *EVP_aes_256_ccm(void);

const EVP_CIPHER *EVP_aes_256_gcm(void);

const EVP_CIPHER *EVP_aes_256_xts(void);

const EVP_CIPHER *EVP_aes_256_wrap(void);

const EVP_CIPHER *EVP_aes_256_wrap_pad(void);

# ifndef OPENSSL_NO_OCB

const EVP_CIPHER *EVP_aes_256_ocb(void);

# endif

const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);

const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);

const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void);

const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void);

# ifndef OPENSSL_NO_SIV

const EVP_CIPHER *EVP_aes_128_siv(void);

const EVP_CIPHER *EVP_aes_192_siv(void);

const EVP_CIPHER *EVP_aes_256_siv(void);

# endif

# ifndef OPENSSL_NO_ARIA

const EVP_CIPHER *EVP_aria_128_ecb(void);

const EVP_CIPHER *EVP_aria_128_cbc(void);

const EVP_CIPHER *EVP_aria_128_cfb1(void);

const EVP_CIPHER *EVP_aria_128_cfb8(void);

const EVP_CIPHER *EVP_aria_128_cfb128(void);

#  define EVP_aria_128_cfb EVP_aria_128_cfb128

const EVP_CIPHER *EVP_aria_128_ctr(void);

const EVP_CIPHER *EVP_aria_128_ofb(void);

const EVP_CIPHER *EVP_aria_128_gcm(void);

const EVP_CIPHER *EVP_aria_128_ccm(void);

const EVP_CIPHER *EVP_aria_192_ecb(void);

const EVP_CIPHER *EVP_aria_192_cbc(void);

const EVP_CIPHER *EVP_aria_192_cfb1(void);

const EVP_CIPHER *EVP_aria_192_cfb8(void);

const EVP_CIPHER *EVP_aria_192_cfb128(void);

#  define EVP_aria_192_cfb EVP_aria_192_cfb128

const EVP_CIPHER *EVP_aria_192_ctr(void);

const EVP_CIPHER *EVP_aria_192_ofb(void);

const EVP_CIPHER *EVP_aria_192_gcm(void);

const EVP_CIPHER *EVP_aria_192_ccm(void);

const EVP_CIPHER *EVP_aria_256_ecb(void);

const EVP_CIPHER *EVP_aria_256_cbc(void);

const EVP_CIPHER *EVP_aria_256_cfb1(void);

const EVP_CIPHER *EVP_aria_256_cfb8(void);

const EVP_CIPHER *EVP_aria_256_cfb128(void);

#  define EVP_aria_256_cfb EVP_aria_256_cfb128

const EVP_CIPHER *EVP_aria_256_ctr(void);

const EVP_CIPHER *EVP_aria_256_ofb(void);

const EVP_CIPHER *EVP_aria_256_gcm(void);

const EVP_CIPHER *EVP_aria_256_ccm(void);

# endif

# ifndef OPENSSL_NO_CAMELLIA

const EVP_CIPHER *EVP_camellia_128_ecb(void);

const EVP_CIPHER *EVP_camellia_128_cbc(void);

const EVP_CIPHER *EVP_camellia_128_cfb1(void);

const EVP_CIPHER *EVP_camellia_128_cfb8(void);

const EVP_CIPHER *EVP_camellia_128_cfb128(void);

#  define EVP_camellia_128_cfb EVP_camellia_128_cfb128

const EVP_CIPHER *EVP_camellia_128_ofb(void);

const EVP_CIPHER *EVP_camellia_128_ctr(void);

const EVP_CIPHER *EVP_camellia_192_ecb(void);

const EVP_CIPHER *EVP_camellia_192_cbc(void);

const EVP_CIPHER *EVP_camellia_192_cfb1(void);

const EVP_CIPHER *EVP_camellia_192_cfb8(void);

const EVP_CIPHER *EVP_camellia_192_cfb128(void);

#  define EVP_camellia_192_cfb EVP_camellia_192_cfb128

const EVP_CIPHER *EVP_camellia_192_ofb(void);

const EVP_CIPHER *EVP_camellia_192_ctr(void);

const EVP_CIPHER *EVP_camellia_256_ecb(void);

const EVP_CIPHER *EVP_camellia_256_cbc(void);

const EVP_CIPHER *EVP_camellia_256_cfb1(void);

const EVP_CIPHER *EVP_camellia_256_cfb8(void);

const EVP_CIPHER *EVP_camellia_256_cfb128(void);

#  define EVP_camellia_256_cfb EVP_camellia_256_cfb128

const EVP_CIPHER *EVP_camellia_256_ofb(void);

const EVP_CIPHER *EVP_camellia_256_ctr(void);

# endif

# ifndef OPENSSL_NO_CHACHA

const EVP_CIPHER *EVP_chacha20(void);

#  ifndef OPENSSL_NO_POLY1305

const EVP_CIPHER *EVP_chacha20_poly1305(void);

#  endif

# endif

# ifndef OPENSSL_NO_SEED

const EVP_CIPHER *EVP_seed_ecb(void);

const EVP_CIPHER *EVP_seed_cbc(void);

const EVP_CIPHER *EVP_seed_cfb128(void);

#  define EVP_seed_cfb EVP_seed_cfb128

const EVP_CIPHER *EVP_seed_ofb(void);

# endif

# ifndef OPENSSL_NO_SM4

const EVP_CIPHER *EVP_sm4_ecb(void);

const EVP_CIPHER *EVP_sm4_cbc(void);

const EVP_CIPHER *EVP_sm4_cfb128(void);

#  define EVP_sm4_cfb EVP_sm4_cfb128

const EVP_CIPHER *EVP_sm4_ofb(void);

const EVP_CIPHER *EVP_sm4_ctr(void);

# endif

# ifndef OPENSSL_NO_DEPRECATED_1_1_0

#  define OPENSSL_add_all_algorithms_conf() \

    OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \

                        | OPENSSL_INIT_ADD_ALL_DIGESTS \

                        | OPENSSL_INIT_LOAD_CONFIG, NULL)

#  define OPENSSL_add_all_algorithms_noconf() \

    OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \

                        | OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)

#  ifdef OPENSSL_LOAD_CONF

#   define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf()

#  else

#   define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf()

#  endif

#  define OpenSSL_add_all_ciphers() \

    OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL)

#  define OpenSSL_add_all_digests() \

    OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)

#  define EVP_cleanup() while(0) continue

# endif

int EVP_add_cipher(const EVP_CIPHER *cipher);

int EVP_add_digest(const EVP_MD *digest);

const EVP_CIPHER *EVP_get_cipherbyname(const char *name);

const EVP_MD *EVP_get_digestbyname(const char *name);

void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,

                                   const char *from, const char *to, void *x),

                       void *arg);

void EVP_CIPHER_do_all_sorted(void (*fn)

                               (const EVP_CIPHER *ciph, const char *from,

                                const char *to, void *x), void *arg);

void EVP_CIPHER_do_all_provided(OPENSSL_CTX *libctx,

                                void (*fn)(EVP_CIPHER *cipher, void *arg),

                                void *arg);

void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,

                               const char *from, const char *to, void *x),

                   void *arg);

void EVP_MD_do_all_sorted(void (*fn)

                           (const EVP_MD *ciph, const char *from,

                            const char *to, void *x), void *arg);

void EVP_MD_do_all_provided(OPENSSL_CTX *libctx,

                            void (*fn)(EVP_MD *md, void *arg),

                            void *arg);

/* MAC stuff */

EVP_MAC *EVP_MAC_fetch(OPENSSL_CTX *libctx, const char *algorithm,

                       const char *properties);

int EVP_MAC_up_ref(EVP_MAC *mac);

void EVP_MAC_free(EVP_MAC *mac);

int EVP_MAC_number(const EVP_MAC *mac);

int EVP_MAC_is_a(const EVP_MAC *mac, const char *name);

const OSSL_PROVIDER *EVP_MAC_provider(const EVP_MAC *mac);

int EVP_MAC_get_params(EVP_MAC *mac, OSSL_PARAM params[]);

EVP_MAC_CTX *EVP_MAC_CTX_new(EVP_MAC *mac);

void EVP_MAC_CTX_free(EVP_MAC_CTX *ctx);

EVP_MAC_CTX *EVP_MAC_CTX_dup(const EVP_MAC_CTX *src);

EVP_MAC *EVP_MAC_CTX_mac(EVP_MAC_CTX *ctx);

int EVP_MAC_CTX_get_params(EVP_MAC_CTX *ctx, OSSL_PARAM params[]);

int EVP_MAC_CTX_set_params(EVP_MAC_CTX *ctx, const OSSL_PARAM params[]);

size_t EVP_MAC_size(EVP_MAC_CTX *ctx);

int EVP_MAC_init(EVP_MAC_CTX *ctx);

int EVP_MAC_update(EVP_MAC_CTX *ctx, const unsigned char *data, size_t datalen);

int EVP_MAC_final(EVP_MAC_CTX *ctx,

                  unsigned char *out, size_t *outl, size_t outsize);

const OSSL_PARAM *EVP_MAC_gettable_params(const EVP_MAC *mac);

const OSSL_PARAM *EVP_MAC_gettable_ctx_params(const EVP_MAC *mac);

const OSSL_PARAM *EVP_MAC_settable_ctx_params(const EVP_MAC *mac);

void EVP_MAC_do_all_provided(OPENSSL_CTX *libctx,

                             void (*fn)(EVP_MAC *mac, void *arg),

                             void *arg);

void EVP_MAC_names_do_all(const EVP_MAC *mac,

                          void (*fn)(const char *name, void *data),

                          void *data);

/* PKEY stuff */

DEPRECATEDIN_3_0(int EVP_PKEY_decrypt_old(unsigned char *dec_key,

                                          const unsigned char *enc_key,

                                          int enc_key_len,

                                          EVP_PKEY *private_key))

DEPRECATEDIN_3_0(int EVP_PKEY_encrypt_old(unsigned char *enc_key,

                                          const unsigned char *key,

                                          int key_len, EVP_PKEY *pub_key))

int EVP_PKEY_type(int type);