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Simple HTTP client with HTTP/1.1, HTTP/2, and HTTP/3 support

Security advisory: This version has known vulnerabilities. View advisories
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hackney c_src boringssl crypto pkcs8 internal.h
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c_src/boringssl/crypto/pkcs8/internal.h 

// Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//     https://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.



#ifndef OPENSSL_HEADER_CRYPTO_PKCS8_INTERNAL_H

#define OPENSSL_HEADER_CRYPTO_PKCS8_INTERNAL_H



#include <openssl/base.h>

#include <openssl/stack.h>



#if defined(__cplusplus)

extern "C" {

#endif





struct pkcs8_priv_key_info_st {

  ASN1_INTEGER *version;

  X509_ALGOR *pkeyalg;

  ASN1_OCTET_STRING *pkey;

  STACK_OF(X509_ATTRIBUTE) *attributes;

};



// pkcs8_pbe_decrypt decrypts |in| using the PBE scheme described by

// |algorithm|, which should be a serialized AlgorithmIdentifier structure. On

// success, it sets |*out| to a newly-allocated buffer containing the decrypted

// result and returns one. Otherwise, it returns zero.

int pkcs8_pbe_decrypt(uint8_t **out, size_t *out_len, CBS *algorithm,

                      const char *pass, size_t pass_len, const uint8_t *in,

                      size_t in_len);



#define PKCS12_KEY_ID 1

#define PKCS12_IV_ID 2

#define PKCS12_MAC_ID 3



// pkcs12_key_gen runs the PKCS#12 key derivation function as specified in

// RFC 7292, appendix B. On success, it writes the resulting |out_len| bytes of

// key material to |out| and returns one. Otherwise, it returns zero. |id|

// should be one of the |PKCS12_*_ID| values.

int pkcs12_key_gen(const char *pass, size_t pass_len, const uint8_t *salt,

                   size_t salt_len, uint8_t id, uint32_t iterations,

                   size_t out_len, uint8_t *out, const EVP_MD *md);



// pkcs12_pbe_encrypt_init configures |ctx| for encrypting with a PBES1 scheme

// defined in PKCS#12, or a PBES2 scheme defined in PKCS#5. The algorithm is

// determined as in |PKCS8_encrypt|. It writes the corresponding

// AlgorithmIdentifier to |out|.

int pkcs12_pbe_encrypt_init(CBB *out, EVP_CIPHER_CTX *ctx, int alg_nid,

                            const EVP_CIPHER *alg_cipher, uint32_t iterations,

                            const char *pass, size_t pass_len,

                            const uint8_t *salt, size_t salt_len);



struct pbe_suite {

  int pbe_nid;

  uint8_t oid[10];

  uint8_t oid_len;

  const EVP_CIPHER *(*cipher_func)(void);

  const EVP_MD *(*md_func)(void);

  // decrypt_init initialize |ctx| for decrypting. The password is specified by

  // |pass| and |pass_len|. |param| contains the serialized parameters field of

  // the AlgorithmIdentifier.

  //

  // It returns one on success and zero on error.

  int (*decrypt_init)(const struct pbe_suite *suite, EVP_CIPHER_CTX *ctx,

                      const char *pass, size_t pass_len, CBS *param);

};



#define PKCS5_SALT_LEN 16



// pkcs5_pbe2_nid_to_cipher returns the |EVP_CIPHER| for |nid| if |nid| is

// supported with PKCS#5 PBES2, and nullptr otherwise.

const EVP_CIPHER *pkcs5_pbe2_nid_to_cipher(int nid);



int PKCS5_pbe2_decrypt_init(const struct pbe_suite *suite, EVP_CIPHER_CTX *ctx,

                            const char *pass, size_t pass_len, CBS *param);



// PKCS5_pbe2_encrypt_init configures |ctx| for encrypting with PKCS #5 PBES2,

// as defined in RFC 2998, with the specified parameters. It writes the

// corresponding AlgorithmIdentifier to |out|.

int PKCS5_pbe2_encrypt_init(CBB *out, EVP_CIPHER_CTX *ctx,

                            const EVP_CIPHER *cipher, uint32_t iterations,

                            const char *pass, size_t pass_len,

                            const uint8_t *salt, size_t salt_len);



// pkcs12_iterations_acceptable returns one if |iterations| is a reasonable

// number of PBKDF2 iterations and zero otherwise.

int pkcs12_iterations_acceptable(uint64_t iterations);





#if defined(__cplusplus)

}  // extern C

#endif



#endif  // OPENSSL_HEADER_CRYPTO_PKCS8_INTERNAL_H