evp.h

openssl加密例子

#endif
#ifndef OPENSSL_NO_SHA
const EVP_MD *EVP_sha(void);
const EVP_MD *EVP_sha1(void);
const EVP_MD *EVP_dss(void);
const EVP_MD *EVP_dss1(void);
#ifdef OPENSSL_FIPS
#ifndef OPENSSL_NO_SHA256
const EVP_MD *EVP_sha224(void);
const EVP_MD *EVP_sha256(void);
#endif
#ifndef OPENSSL_NO_SHA512
const EVP_MD *EVP_sha384(void);
const EVP_MD *EVP_sha512(void);
#endif
#endif
#endif
#ifndef OPENSSL_NO_MDC2
const EVP_MD *EVP_mdc2(void);
#endif
#ifndef OPENSSL_NO_RIPEMD
const EVP_MD *EVP_ripemd160(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
#if 0
const EVP_CIPHER *EVP_des_ede_cfb1(void);
const EVP_CIPHER *EVP_des_ede_cfb8(void);
#endif
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);
/* 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? */
#if 0
# ifdef OPENSSL_OPENBSD_DEV_CRYPTO
const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
const EVP_CIPHER *EVP_dev_crypto_rc4(void);
const EVP_MD *EVP_dev_crypto_md5(void);
# endif
#endif
#endif
#ifndef OPENSSL_NO_RC4
const EVP_CIPHER *EVP_rc4(void);
const EVP_CIPHER *EVP_rc4_40(void);
#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
#ifndef OPENSSL_NO_AES
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);
#if 0
const EVP_CIPHER *EVP_aes_128_ctr(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);
#if 0
const EVP_CIPHER *EVP_aes_192_ctr(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);
#if 0
const EVP_CIPHER *EVP_aes_256_ctr(void);
#endif
#endif

void OPENSSL_add_all_algorithms_noconf(void);
void OPENSSL_add_all_algorithms_conf(void);

#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

void OpenSSL_add_all_ciphers(void);
void OpenSSL_add_all_digests(void);
#define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
#define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
#define SSLeay_add_all_digests() OpenSSL_add_all_digests()

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_cleanup(void);

int		EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
			int enc_key_len,EVP_PKEY *private_key);
int		EVP_PKEY_encrypt(unsigned char *enc_key,
			unsigned char *key,int key_len,EVP_PKEY *pub_key);
int		EVP_PKEY_type(int type);
int		EVP_PKEY_bits(EVP_PKEY *pkey);
int		EVP_PKEY_size(EVP_PKEY *pkey);
int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);

#ifndef OPENSSL_NO_RSA
struct rsa_st;
int EVP_PKEY_set1_RSA(EVP_PKEY *pkey,struct rsa_st *key);
struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_DSA
struct dsa_st;
int EVP_PKEY_set1_DSA(EVP_PKEY *pkey,struct dsa_st *key);
struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
#endif
#ifndef OPENSSL_NO_DH
struct dh_st;
int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
#endif


EVP_PKEY *	EVP_PKEY_new(void);
void		EVP_PKEY_free(EVP_PKEY *pkey);
EVP_PKEY *	d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
			long length);
int		i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);

EVP_PKEY *	d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
			long length);
EVP_PKEY *	d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
			long length);
int		i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);

int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);

int EVP_CIPHER_type(const EVP_CIPHER *ctx);

/* calls methods */
int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);

/* These are used by EVP_CIPHER methods */
int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);
int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c,ASN1_TYPE *type);

/* PKCS5 password based encryption */
int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
			 int en_de);
int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
			   unsigned char *salt, int saltlen, int iter,
			   int keylen, unsigned char *out);
int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
			 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
			 int en_de);

void PKCS5_PBE_add(void);

int EVP_PBE_CipherInit (ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
	     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
		    EVP_PBE_KEYGEN *keygen);
void EVP_PBE_cleanup(void);

/* 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.
 */
void ERR_load_EVP_strings(void);

/* Error codes for the EVP functions. */

/* Function codes. */
#define EVP_F_AES_INIT_KEY				 129
#define EVP_F_D2I_PKEY					 100
#define EVP_F_EVP_ADD_CIPHER				 130
#define EVP_F_EVP_ADD_DIGEST				 131
#define EVP_F_EVP_CIPHERINIT				 123
#define EVP_F_EVP_CIPHER_CTX_CTRL			 124
#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH		 122
#define EVP_F_EVP_DECRYPTFINAL				 101
#define EVP_F_EVP_DIGESTINIT				 128
#define EVP_F_EVP_ENCRYPTFINAL				 127
#define EVP_F_EVP_GET_CIPHERBYNAME			 132
#define EVP_F_EVP_GET_DIGESTBYNAME			 133
#define EVP_F_EVP_MD_CTX_COPY				 110
#define EVP_F_EVP_OPENINIT				 102
#define EVP_F_EVP_PBE_ALG_ADD				 115
#define EVP_F_EVP_PBE_CIPHERINIT			 116
#define EVP_F_EVP_PKCS82PKEY				 111
#define EVP_F_EVP_PKCS8_SET_BROKEN			 112
#define EVP_F_EVP_PKEY2PKCS8				 113
#define EVP_F_EVP_PKEY_COPY_PARAMETERS			 103
#define EVP_F_EVP_PKEY_DECRYPT				 104
#define EVP_F_EVP_PKEY_ENCRYPT				 105
#define EVP_F_EVP_PKEY_GET1_DH				 119
#define EVP_F_EVP_PKEY_GET1_DSA				 120
#define EVP_F_EVP_PKEY_GET1_RSA				 121
#define EVP_F_EVP_PKEY_NEW				 106
#define EVP_F_EVP_RIJNDAEL				 126
#define EVP_F_EVP_SIGNFINAL				 107
#define EVP_F_EVP_VERIFYFINAL				 108
#define EVP_F_PKCS5_PBE_KEYIVGEN			 117
#define EVP_F_PKCS5_V2_PBE_KEYIVGEN			 118
#define EVP_F_RC2_MAGIC_TO_METH				 109
#define EVP_F_RC5_CTRL					 125

/* Reason codes. */
#define EVP_R_AES_KEY_SETUP_FAILED			 140
#define EVP_R_BAD_BLOCK_LENGTH				 136
#define EVP_R_BAD_DECRYPT				 100
#define EVP_R_BAD_KEY_LENGTH				 137
#define EVP_R_BN_DECODE_ERROR				 112
#define EVP_R_BN_PUBKEY_ERROR				 113
#define EVP_R_CIPHER_PARAMETER_ERROR			 122
#define EVP_R_CTRL_NOT_IMPLEMENTED			 132
#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED		 133
#define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH		 138
#define EVP_R_DECODE_ERROR				 114
#define EVP_R_DIFFERENT_KEY_TYPES			 101
#define EVP_R_DISABLED_FOR_FIPS				 141
#define EVP_R_ENCODE_ERROR				 115
#define EVP_R_EVP_PBE_CIPHERINIT_ERROR			 119
#define EVP_R_EXPECTING_AN_RSA_KEY			 127
#define EVP_R_EXPECTING_A_DH_KEY			 128
#define EVP_R_EXPECTING_A_DSA_KEY			 129
#define EVP_R_INITIALIZATION_ERROR			 134
#define EVP_R_INPUT_NOT_INITIALIZED			 111
#define EVP_R_INVALID_KEY_LENGTH			 130
#define EVP_R_IV_TOO_LARGE				 102
#define EVP_R_KEYGEN_FAILURE				 120
#define EVP_R_MISSING_PARAMETERS			 103
#define EVP_R_NO_CIPHER_SET				 131
#define EVP_R_NO_DIGEST_SET				 139
#define EVP_R_NO_DSA_PARAMETERS				 116
#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED		 104
#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED		 105
#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE			 117
#define EVP_R_PUBLIC_KEY_NOT_RSA			 106
#define EVP_R_UNKNOWN_PBE_ALGORITHM			 121
#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS		 135
#define EVP_R_UNSUPPORTED_CIPHER			 107
#define EVP_R_UNSUPPORTED_KEYLENGTH			 123
#define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION	 124
#define EVP_R_UNSUPPORTED_KEY_SIZE			 108
#define EVP_R_UNSUPPORTED_PRF				 125
#define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM		 118
#define EVP_R_UNSUPPORTED_SALT_TYPE			 126
#define EVP_R_WRONG_FINAL_BLOCK_LENGTH			 109
#define EVP_R_WRONG_PUBLIC_KEY_TYPE			 110

#ifdef  __cplusplus
}
#endif
#endif