* Attempt to move the compilation of PC-Alpine to using openssl.

     Currently only the WNT port works. The WXP port will stay in
     LibreSSL, and I still need to test if the W32 port will stay with
     OpenSSL or LibreSSL.

1 files changed, 1502 insertions, 0 deletions

diff --git a/libressl/include/openssl/evp.h b/libressl/include/openssl/evp.h
new file mode 100644
index 00000000..68e10495
--- /dev/null
+++ b/libressl/include/openssl/evp.h
@@ -0,0 +1,1502 @@
+/* $OpenBSD: evp.h,v 1.52 2017/02/28 14:15:37 jsing Exp $ */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#ifndef HEADER_ENVELOPE_H
+#define HEADER_ENVELOPE_H
+
+#include <openssl/opensslconf.h>
+
+#include <openssl/ossl_typ.h>
+
+#ifndef OPENSSL_NO_BIO
+#include <openssl/bio.h>
+#endif
+
+/*
+#define EVP_RC2_KEY_SIZE		16
+#define EVP_RC4_KEY_SIZE		16
+#define EVP_BLOWFISH_KEY_SIZE		16
+#define EVP_CAST5_KEY_SIZE		16
+#define EVP_RC5_32_12_16_KEY_SIZE	16
+*/
+#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_PKT_EXP	0x1000 /* <= 512 bit key */
+
+#define EVP_PKEY_NONE	NID_undef
+#define EVP_PKEY_RSA	NID_rsaEncryption
+#define EVP_PKEY_RSA2	NID_rsa
+#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_EC	NID_X9_62_id_ecPublicKey
+#define EVP_PKEY_GOSTR01 NID_id_GostR3410_2001
+#define EVP_PKEY_GOSTIMIT NID_id_Gost28147_89_MAC
+#define EVP_PKEY_HMAC	NID_hmac
+#define EVP_PKEY_CMAC	NID_cmac
+#define EVP_PKEY_GOSTR12_256 NID_id_tc26_gost3410_2012_256
+#define EVP_PKEY_GOSTR12_512 NID_id_tc26_gost3410_2012_512
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/* Type needs to be a bit field
+ * Sub-type needs to be for variations on the method, as in, can it do
+ * arbitrary encryption.... */
+struct evp_pkey_st {
+	int type;
+	int save_type;
+	int references;
+	const EVP_PKEY_ASN1_METHOD *ameth;
+	ENGINE *engine;
+	union	{
+		char *ptr;
+#ifndef OPENSSL_NO_RSA
+		struct rsa_st *rsa;	/* RSA */
+#endif
+#ifndef OPENSSL_NO_DSA
+		struct dsa_st *dsa;	/* DSA */
+#endif
+#ifndef OPENSSL_NO_DH
+		struct dh_st *dh;	/* DH */
+#endif
+#ifndef OPENSSL_NO_EC
+		struct ec_key_st *ec;	/* ECC */
+#endif
+#ifndef OPENSSL_NO_GOST
+		struct gost_key_st *gost; /* GOST */
+#endif
+	} pkey;
+	int save_parameters;
+	STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
+} /* EVP_PKEY */;
+
+#define EVP_PKEY_MO_SIGN	0x0001
+#define EVP_PKEY_MO_VERIFY	0x0002
+#define EVP_PKEY_MO_ENCRYPT	0x0004
+#define EVP_PKEY_MO_DECRYPT	0x0008
+
+typedef int evp_sign_method(int type, const unsigned char *m,
+    unsigned int m_length, unsigned char *sigret, unsigned int *siglen,
+    void *key);
+typedef int evp_verify_method(int type, const unsigned char *m,
+    unsigned int m_length, const unsigned char *sigbuf, unsigned int siglen,
+    void *key);
+
+#ifndef EVP_MD
+struct env_md_st {
+	int type;
+	int pkey_type;
+	int md_size;
+	unsigned long flags;
+	int (*init)(EVP_MD_CTX *ctx);
+	int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
+	int (*final)(EVP_MD_CTX *ctx, unsigned char *md);
+	int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from);
+	int (*cleanup)(EVP_MD_CTX *ctx);
+
+	evp_sign_method *sign;
+	evp_verify_method *verify;
+	int required_pkey_type[5]; /*EVP_PKEY_xxx */
+	int block_size;
+	int ctx_size; /* how big does the ctx->md_data need to be */
+	/* control function */
+	int (*md_ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
+} /* EVP_MD */;
+
+#define EVP_MD_FLAG_ONESHOT	0x0001 /* digest can only handle a single
+					* block */
+
+#define EVP_MD_FLAG_PKEY_DIGEST	0x0002 /* digest is a "clone" digest used
+					* which is a copy of an existing
+					* one for a specific public key type.
+					* EVP_dss1() etc */
+
+/* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
+
+#define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE	0x0004
+
+/* 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
+
+#define EVP_MD_FLAG_FIPS	0x0400 /* Note if suitable for use in FIPS mode */
+
+/* Digest ctrls */
+
+#define	EVP_MD_CTRL_DIGALGID			0x1
+#define	EVP_MD_CTRL_MICALG			0x2
+#define	EVP_MD_CTRL_SET_KEY			0x3
+#define	EVP_MD_CTRL_GOST_SET_SBOX		0x4
+
+/* Minimum Algorithm specific ctrl value */
+
+#define	EVP_MD_CTRL_ALG_CTRL			0x1000
+
+#define EVP_PKEY_NULL_method	NULL,NULL,{0,0,0,0}
+
+#ifndef OPENSSL_NO_DSA
+#define EVP_PKEY_DSA_method	(evp_sign_method *)DSA_sign, \
+				(evp_verify_method *)DSA_verify, \
+				{EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
+					EVP_PKEY_DSA4,0}
+#else
+#define EVP_PKEY_DSA_method	EVP_PKEY_NULL_method
+#endif
+
+#ifndef OPENSSL_NO_ECDSA
+#define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
+				(evp_verify_method *)ECDSA_verify, \
+                                 {EVP_PKEY_EC,0,0,0}
+#else
+#define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
+#endif
+
+#ifndef OPENSSL_NO_RSA
+#define EVP_PKEY_RSA_method	(evp_sign_method *)RSA_sign, \
+				(evp_verify_method *)RSA_verify, \
+				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
+#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
+				(evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
+				(evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
+				{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
+#else
+#define EVP_PKEY_RSA_method	EVP_PKEY_NULL_method
+#define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
+#endif
+
+#endif /* !EVP_MD */
+
+struct env_md_ctx_st {
+	const EVP_MD *digest;
+	ENGINE *engine; /* functional reference if 'digest' is ENGINE-provided */
+	unsigned long flags;
+	void *md_data;
+	/* Public key context for sign/verify */
+	EVP_PKEY_CTX *pctx;
+	/* Update function: usually copied from EVP_MD */
+	int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count);
+} /* EVP_MD_CTX */;
+
+/* 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_cleanup */
+/* 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 */
+
+struct evp_cipher_st {
+	int nid;
+	int block_size;
+	int key_len;		/* Default value for variable length ciphers */
+	int iv_len;
+	unsigned long flags;	/* Various flags */
+	int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+	    const unsigned char *iv, int enc);	/* init key */
+	int (*do_cipher)(EVP_CIPHER_CTX *ctx, unsigned char *out,
+	    const unsigned char *in, size_t inl);/* encrypt/decrypt data */
+	int (*cleanup)(EVP_CIPHER_CTX *); /* cleanup ctx */
+	int ctx_size;		/* how big ctx->cipher_data needs to be */
+	int (*set_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Populate a ASN1_TYPE with parameters */
+	int (*get_asn1_parameters)(EVP_CIPHER_CTX *, ASN1_TYPE *); /* Get parameters from a ASN1_TYPE */
+	int (*ctrl)(EVP_CIPHER_CTX *, int type, int arg, void *ptr); /* Miscellaneous operations */
+	void *app_data;		/* Application data */
+} /* EVP_CIPHER */;
+
+/* 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_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
+/* Allow use default ASN1 get/set iv */
+#define		EVP_CIPH_FLAG_DEFAULT_ASN1	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
+
+/* 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_GCM_SET_IVLEN		0x9
+#define 	EVP_CTRL_GCM_GET_TAG		0x10
+#define 	EVP_CTRL_GCM_SET_TAG		0x11
+#define		EVP_CTRL_GCM_SET_IV_FIXED	0x12
+#define		EVP_CTRL_GCM_IV_GEN		0x13
+#define		EVP_CTRL_CCM_SET_IVLEN		EVP_CTRL_GCM_SET_IVLEN
+#define		EVP_CTRL_CCM_GET_TAG		EVP_CTRL_GCM_GET_TAG
+#define		EVP_CTRL_CCM_SET_TAG		EVP_CTRL_GCM_SET_TAG
+#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
+/* Set the S-BOX NID for GOST ciphers */
+#define		EVP_CTRL_GOST_SET_SBOX		0x19
+
+/* 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
+
+typedef struct evp_cipher_info_st {
+	const EVP_CIPHER *cipher;
+	unsigned char iv[EVP_MAX_IV_LENGTH];
+} EVP_CIPHER_INFO;
+
+struct evp_cipher_ctx_st {
+	const EVP_CIPHER *cipher;
+	ENGINE *engine;	/* functional reference if 'cipher' is ENGINE-provided */
+	int encrypt;		/* encrypt or decrypt */
+	int buf_len;		/* number we have left */
+
+	unsigned char  oiv[EVP_MAX_IV_LENGTH];	/* original iv */
+	unsigned char  iv[EVP_MAX_IV_LENGTH];	/* working iv */
+	unsigned char buf[EVP_MAX_BLOCK_LENGTH];/* saved partial block */
+	int num;				/* used by cfb/ofb/ctr mode */
+
+	void *app_data;		/* application stuff */
+	int key_len;		/* May change for variable length cipher */
+	unsigned long flags;	/* Various flags */
+	void *cipher_data; /* per EVP data */
+	int final_used;
+	int block_mask;
+	unsigned char final[EVP_MAX_BLOCK_LENGTH];/* possible final block */
+} /* EVP_CIPHER_CTX */;
+
+typedef struct evp_Encode_Ctx_st {
+	int num;	/* number saved in a partial encode/decode */
+	int length;	/* The length is either the output line length
+			 * (in input bytes) or the shortest input line
+			 * length that is ok.  Once decoding begins,
+			 * the length is adjusted up each time a longer
+			 * line is decoded */
+	unsigned char enc_data[80];	/* data to encode */
+	int line_num;	/* number read on current line */
+	int expect_nl;
+} EVP_ENCODE_CTX;
+
+/* 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,\
+					(char *)(rsa))
+#endif
+
+#ifndef OPENSSL_NO_DSA
+#define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
+					(char *)(dsa))
+#endif
+
+#ifndef OPENSSL_NO_DH
+#define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
+					(char *)(dh))
+#endif
+
+#ifndef OPENSSL_NO_EC
+#define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
+                                        (char *)(eckey))
+#endif
+
+#ifndef OPENSSL_NO_GOST
+#define EVP_PKEY_assign_GOST(pkey,gostkey) EVP_PKEY_assign((pkey),EVP_PKEY_GOSTR01,\
+                                        (char *)(gostkey))
+#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)
+#define EVP_MD_name(e)			OBJ_nid2sn(EVP_MD_nid(e))
+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);
+#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))
+
+int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
+#define EVP_CIPHER_name(e)		OBJ_nid2sn(EVP_CIPHER_nid(e))
+int EVP_CIPHER_block_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);
+#define EVP_CIPHER_mode(e)		(EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
+
+const EVP_CIPHER * EVP_CIPHER_CTX_cipher(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_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);
+#define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
+unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
+#define EVP_CIPHER_CTX_mode(e)		(EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
+
+#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)
+#define EVP_DigestSignUpdate(a,b,c)	EVP_DigestUpdate(a,b,c)
+#define EVP_DigestVerifyUpdate(a,b,c)	EVP_DigestUpdate(a,b,c)
+
+#define BIO_set_md(b,md)		BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
+#define BIO_get_md(b,mdp)		BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
+#define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
+#define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)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,(char *)c_pp)
+
+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);
+
+void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
+int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
+EVP_MD_CTX *EVP_MD_CTX_create(void);
+void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
+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_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr);
+int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
+int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
+int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
+int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
+int EVP_Digest(const void *data, size_t count, unsigned char *md,
+    unsigned int *size, const EVP_MD *type, ENGINE *impl);
+
+int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
+int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
+int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
+
+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);
+
+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);
+
+int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+    const unsigned char *key, const unsigned char *iv);
+int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+    ENGINE *impl, const unsigned char *key, const unsigned char *iv);
+int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
+    const unsigned char *in, int inl);
+int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+#ifndef LIBRESSL_INTERNAL
+int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+#endif
+
+int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+    const unsigned char *key, const unsigned char *iv);
+int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+    ENGINE *impl, const unsigned char *key, const unsigned char *iv);
+int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
+    const unsigned char *in, int inl);
+int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
+#ifndef LIBRESSL_INTERNAL
+int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
+#endif
+
+int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+    const unsigned char *key, const unsigned char *iv, int enc);
+int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
+    ENGINE *impl, const unsigned char *key, const unsigned char *iv, int enc);
+int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
+    const unsigned char *in, int inl);
+int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
+#ifndef LIBRESSL_INTERNAL
+int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
+#endif
+	
+int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
+    EVP_PKEY *pkey);
+
+int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
+    unsigned int siglen, EVP_PKEY *pkey);
+
+int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+    const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
+int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, size_t *siglen);
+
+int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
+    const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
+int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen);
+
+int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+    const unsigned char *ek, int ekl, const unsigned char *iv, EVP_PKEY *priv);
+int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+
+int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+    unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk,
+    int npubk);
+int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
+
+void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
+void 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);
+
+void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
+int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
+EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
+void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
+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);
+
+#ifndef OPENSSL_NO_BIO
+BIO_METHOD *BIO_f_md(void);
+BIO_METHOD *BIO_f_base64(void);
+BIO_METHOD *BIO_f_cipher(void);
+void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
+    const unsigned char *i, int enc);
+#endif
+
+const EVP_MD *EVP_md_null(void);
+#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_SHA
+const EVP_MD *EVP_sha1(void);
+const EVP_MD *EVP_dss(void);
+const EVP_MD *EVP_dss1(void);
+const EVP_MD *EVP_ecdsa(void);
+#endif
+#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
+#ifndef OPENSSL_NO_RIPEMD
+const EVP_MD *EVP_ripemd160(void);
+#endif
+#ifndef OPENSSL_NO_WHIRLPOOL
+const EVP_MD *EVP_whirlpool(void);
+#endif
+#ifndef OPENSSL_NO_GOST
+const EVP_MD *EVP_gostr341194(void);
+const EVP_MD *EVP_gost2814789imit(void);
+const EVP_MD *EVP_streebog256(void);
+const EVP_MD *EVP_streebog512(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);
+#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_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);
+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_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_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);
+#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
+const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
+const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
+#endif
+#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_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_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);
+#endif
+
+#ifndef OPENSSL_NO_CHACHA
+const EVP_CIPHER *EVP_chacha20(void);
+#endif
+
+#ifndef OPENSSL_NO_GOST
+const EVP_CIPHER *EVP_gost2814789_ecb(void);
+const EVP_CIPHER *EVP_gost2814789_cfb64(void);
+const EVP_CIPHER *EVP_gost2814789_cnt(void);
+#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);
+
+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_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);
+
+int EVP_PKEY_decrypt_old(unsigned char *dec_key, const unsigned char *enc_key,
+    int enc_key_len, EVP_PKEY *private_key);
+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);
+int EVP_PKEY_id(const EVP_PKEY *pkey);
+int EVP_PKEY_base_id(const EVP_PKEY *pkey);
+int EVP_PKEY_bits(EVP_PKEY *pkey);
+int EVP_PKEY_size(EVP_PKEY *pkey);
+int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
+int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
+void *EVP_PKEY_get0(EVP_PKEY *pkey);
+
+#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
+#ifndef OPENSSL_NO_EC
+struct ec_key_st;
+int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
+struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
+#endif
+#ifndef OPENSSL_NO_GOST
+struct gost_key_st;
+#endif
+
+EVP_PKEY *EVP_PKEY_new(void);
+void EVP_PKEY_free(EVP_PKEY *pkey);
+
+EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
+    long length);
+int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
+
+EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
+    long length);
+EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
+    long length);
+int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
+
+int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
+int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
+int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
+int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
+
+int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
+
+int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx);
+int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx);
+int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx);
+
+int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
+
+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,
+    const unsigned char *salt, int saltlen, int iter, int keylen,
+    unsigned char *out);
+int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt,
+    int saltlen, int iter, const EVP_MD *digest, 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);
+
+/* PBE type */
+
+/* Can appear as the outermost AlgorithmIdentifier */
+#define EVP_PBE_TYPE_OUTER	0x0
+/* Is an PRF type OID */
+#define EVP_PBE_TYPE_PRF	0x1
+
+int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid, int md_nid,
+    EVP_PBE_KEYGEN *keygen);
+int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
+    EVP_PBE_KEYGEN *keygen);
+int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
+    EVP_PBE_KEYGEN **pkeygen);
+void EVP_PBE_cleanup(void);
+
+#define ASN1_PKEY_ALIAS		0x1
+#define ASN1_PKEY_DYNAMIC	0x2
+#define ASN1_PKEY_SIGPARAM_NULL	0x4
+
+#define ASN1_PKEY_CTRL_PKCS7_SIGN	0x1
+#define ASN1_PKEY_CTRL_PKCS7_ENCRYPT	0x2
+#define ASN1_PKEY_CTRL_DEFAULT_MD_NID	0x3
+#define ASN1_PKEY_CTRL_CMS_SIGN		0x5
+#define ASN1_PKEY_CTRL_CMS_ENVELOPE	0x7
+
+int EVP_PKEY_asn1_get_count(void);
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
+const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
+    const char *str, int len);
+int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
+int EVP_PKEY_asn1_add_alias(int to, int from);
+int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id, int *ppkey_flags,
+    const char **pinfo, const char **ppem_str,
+    const EVP_PKEY_ASN1_METHOD *ameth);
+
+const EVP_PKEY_ASN1_METHOD* EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
+EVP_PKEY_ASN1_METHOD* EVP_PKEY_asn1_new(int id, int flags, const char *pem_str,
+    const char *info);
+void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
+    const EVP_PKEY_ASN1_METHOD *src);
+void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
+void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
+    int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub),
+    int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk),
+    int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
+    int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx),
+    int (*pkey_size)(const EVP_PKEY *pk),
+    int (*pkey_bits)(const EVP_PKEY *pk));
+void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
+    int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf),
+    int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk),
+    int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx));
+void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
+    int (*param_decode)(EVP_PKEY *pkey, const unsigned char **pder, int derlen),
+    int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder),
+    int (*param_missing)(const EVP_PKEY *pk),
+    int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from),
+    int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b),
+    int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
+    ASN1_PCTX *pctx));
+
+void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
+    void (*pkey_free)(EVP_PKEY *pkey));
+void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
+    int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2));
+
+#define EVP_PKEY_OP_UNDEFINED		0
+#define EVP_PKEY_OP_PARAMGEN		(1<<1)
+#define EVP_PKEY_OP_KEYGEN		(1<<2)
+#define EVP_PKEY_OP_SIGN		(1<<3)
+#define EVP_PKEY_OP_VERIFY		(1<<4)
+#define EVP_PKEY_OP_VERIFYRECOVER	(1<<5)
+#define EVP_PKEY_OP_SIGNCTX		(1<<6)
+#define EVP_PKEY_OP_VERIFYCTX		(1<<7)
+#define EVP_PKEY_OP_ENCRYPT		(1<<8)
+#define EVP_PKEY_OP_DECRYPT		(1<<9)
+#define EVP_PKEY_OP_DERIVE		(1<<10)
+
+#define EVP_PKEY_OP_TYPE_SIG	\
+	(EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
+		| EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
+
+#define EVP_PKEY_OP_TYPE_CRYPT \
+	(EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
+
+#define EVP_PKEY_OP_TYPE_NOGEN \
+	(EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
+
+#define EVP_PKEY_OP_TYPE_GEN \
+		(EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
+
+#define	 EVP_PKEY_CTX_set_signature_md(ctx, md)	\
+		EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
+					EVP_PKEY_CTRL_MD, 0, (void *)md)
+
+#define EVP_PKEY_CTRL_MD		1
+#define EVP_PKEY_CTRL_PEER_KEY		2
+
+#define EVP_PKEY_CTRL_PKCS7_ENCRYPT	3
+#define EVP_PKEY_CTRL_PKCS7_DECRYPT	4
+
+#define EVP_PKEY_CTRL_PKCS7_SIGN	5
+
+#define EVP_PKEY_CTRL_SET_MAC_KEY	6
+
+#define EVP_PKEY_CTRL_DIGESTINIT	7
+
+/* Used by GOST key encryption in TLS */
+#define EVP_PKEY_CTRL_SET_IV 		8
+
+#define EVP_PKEY_CTRL_CMS_ENCRYPT	9
+#define EVP_PKEY_CTRL_CMS_DECRYPT	10
+#define EVP_PKEY_CTRL_CMS_SIGN		11
+
+#define EVP_PKEY_CTRL_CIPHER		12
+
+#define EVP_PKEY_ALG_CTRL		0x1000
+
+
+#define EVP_PKEY_FLAG_AUTOARGLEN	2
+/* Method handles all operations: don't assume any digest related
+ * defaults.
+ */
+#define EVP_PKEY_FLAG_SIGCTX_CUSTOM	4
+
+const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
+EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags);
+void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
+    const EVP_PKEY_METHOD *meth);
+void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
+void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
+int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
+
+EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
+EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
+EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
+void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
+
+int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd,
+    int p1, void *p2);
+int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
+    const char *value);
+
+int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
+void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
+
+EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e, const unsigned char *key,
+    int keylen);
+
+void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
+void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
+EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
+
+EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
+
+void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
+void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
+
+int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+    const unsigned char *tbs, size_t tbslen);
+int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_verify(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
+    const unsigned char *tbs, size_t tbslen);
+int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx, unsigned char *rout,
+    size_t *routlen, const unsigned char *sig, size_t siglen);
+int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+    const unsigned char *in, size_t inlen);
+int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+    const unsigned char *in, size_t inlen);
+
+int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
+int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
+
+typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
+
+int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
+int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
+int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
+
+void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
+EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
+
+int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
+
+void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
+    int (*init)(EVP_PKEY_CTX *ctx));
+
+void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
+    int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src));
+
+void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
+    void (*cleanup)(EVP_PKEY_CTX *ctx));
+
+void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
+    int (*paramgen_init)(EVP_PKEY_CTX *ctx),
+    int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
+
+void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
+    int (*keygen_init)(EVP_PKEY_CTX *ctx),
+    int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
+
+void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
+    int (*sign_init)(EVP_PKEY_CTX *ctx),
+    int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+    const unsigned char *tbs, size_t tbslen));
+
+void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
+    int (*verify_init)(EVP_PKEY_CTX *ctx),
+    int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
+    const unsigned char *tbs, size_t tbslen));
+
+void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
+    int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
+    int (*verify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig,
+    size_t *siglen, const unsigned char *tbs, size_t tbslen));
+
+void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
+    int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
+    int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+    EVP_MD_CTX *mctx));
+
+void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
+    int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
+    int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
+    EVP_MD_CTX *mctx));
+
+void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
+    int (*encrypt_init)(EVP_PKEY_CTX *ctx),
+    int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+    const unsigned char *in, size_t inlen));
+
+void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
+    int (*decrypt_init)(EVP_PKEY_CTX *ctx),
+    int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+    const unsigned char *in, size_t inlen));
+
+void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
+    int (*derive_init)(EVP_PKEY_CTX *ctx),
+    int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen));
+
+void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
+    int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
+    int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value));
+
+/* Authenticated Encryption with Additional Data.
+ *
+ * AEAD couples confidentiality and integrity in a single primtive. AEAD
+ * algorithms take a key and then can seal and open individual messages. Each
+ * message has a unique, per-message nonce and, optionally, additional data
+ * which is authenticated but not included in the output. */
+
+struct evp_aead_st;
+typedef struct evp_aead_st EVP_AEAD;
+
+#ifndef OPENSSL_NO_AES
+/* EVP_aes_128_gcm is AES-128 in Galois Counter Mode. */
+const EVP_AEAD *EVP_aead_aes_128_gcm(void);
+/* EVP_aes_256_gcm is AES-256 in Galois Counter Mode. */
+const EVP_AEAD *EVP_aead_aes_256_gcm(void);
+#endif
+
+#if !defined(OPENSSL_NO_CHACHA) && !defined(OPENSSL_NO_POLY1305)
+/* EVP_aead_chacha20_poly1305 is ChaCha20 with a Poly1305 authenticator. */
+const EVP_AEAD *EVP_aead_chacha20_poly1305(void);
+const EVP_AEAD *EVP_aead_chacha20_poly1305_old(void);
+#endif
+
+/* EVP_AEAD_key_length returns the length of the keys used. */
+size_t EVP_AEAD_key_length(const EVP_AEAD *aead);
+
+/* EVP_AEAD_nonce_length returns the length of the per-message nonce. */
+size_t EVP_AEAD_nonce_length(const EVP_AEAD *aead);
+
+/* EVP_AEAD_max_overhead returns the maximum number of additional bytes added
+ * by the act of sealing data with the AEAD. */
+size_t EVP_AEAD_max_overhead(const EVP_AEAD *aead);
+
+/* EVP_AEAD_max_tag_len returns the maximum tag length when using this AEAD.
+ * This * is the largest value that can be passed as a tag length to
+ * EVP_AEAD_CTX_init. */
+size_t EVP_AEAD_max_tag_len(const EVP_AEAD *aead);
+
+/* An EVP_AEAD_CTX represents an AEAD algorithm configured with a specific key
+ * and message-independent IV. */
+typedef struct evp_aead_ctx_st {
+	const EVP_AEAD *aead;
+	/* aead_state is an opaque pointer to the AEAD specific state. */
+	void *aead_state;
+} EVP_AEAD_CTX;
+
+/* EVP_AEAD_MAX_TAG_LENGTH is the maximum tag length used by any AEAD
+ * defined in this header. */
+#define EVP_AEAD_MAX_TAG_LENGTH 16
+
+/* EVP_AEAD_DEFAULT_TAG_LENGTH is a magic value that can be passed to
+ * EVP_AEAD_CTX_init to indicate that the default tag length for an AEAD
+ * should be used. */
+#define EVP_AEAD_DEFAULT_TAG_LENGTH 0
+
+/* EVP_AEAD_init initializes the context for the given AEAD algorithm.
+ * The implementation argument may be NULL to choose the default implementation.
+ * Authentication tags may be truncated by passing a tag length. A tag length
+ * of zero indicates the default tag length should be used. */
+int EVP_AEAD_CTX_init(EVP_AEAD_CTX *ctx, const EVP_AEAD *aead,
+    const unsigned char *key, size_t key_len, size_t tag_len, ENGINE *impl);
+
+/* EVP_AEAD_CTX_cleanup frees any data allocated for this context. */
+void EVP_AEAD_CTX_cleanup(EVP_AEAD_CTX *ctx);
+
+/* EVP_AEAD_CTX_seal encrypts and authenticates the input and authenticates
+ * any additional data (AD), the result being written as output. One is
+ * returned on success, otherwise zero.
+ *
+ * This function may be called (with the same EVP_AEAD_CTX) concurrently with
+ * itself or EVP_AEAD_CTX_open.
+ *
+ * At most max_out_len bytes are written as output and, in order to ensure
+ * success, this value should be the length of the input plus the result of
+ * EVP_AEAD_overhead. On successful return, out_len is set to the actual
+ * number of bytes written.
+ *
+ * The length of the nonce is must be equal to the result of
+ * EVP_AEAD_nonce_length for this AEAD.
+ *
+ * EVP_AEAD_CTX_seal never results in a partial output. If max_out_len is
+ * insufficient, zero will be returned and out_len will be set to zero.
+ *
+ * If the input and output are aliased then out must be <= in. */
+int EVP_AEAD_CTX_seal(const EVP_AEAD_CTX *ctx, unsigned char *out,
+    size_t *out_len, size_t max_out_len, const unsigned char *nonce,
+    size_t nonce_len, const unsigned char *in, size_t in_len,
+    const unsigned char *ad, size_t ad_len);
+
+/* EVP_AEAD_CTX_open authenticates the input and additional data, decrypting
+ * the input and writing it as output. One is returned on success, otherwise
+ * zero.
+ *
+ * This function may be called (with the same EVP_AEAD_CTX) concurrently with
+ * itself or EVP_AEAD_CTX_seal.
+ *
+ * At most the number of input bytes are written as output. In order to ensure
+ * success, max_out_len should be at least the same as the input length. On
+ * successful return out_len is set to the actual number of bytes written.
+ *
+ * The length of nonce must be equal to the result of EVP_AEAD_nonce_length
+ * for this AEAD.
+ *
+ * EVP_AEAD_CTX_open never results in a partial output. If max_out_len is
+ * insufficient, zero will be returned and out_len will be set to zero.
+ *
+ * If the input and output are aliased then out must be <= in. */
+int EVP_AEAD_CTX_open(const EVP_AEAD_CTX *ctx, unsigned char *out,
+    size_t *out_len, size_t max_out_len, const unsigned char *nonce,
+    size_t nonce_len, const unsigned char *in, size_t in_len,
+    const unsigned char *ad, size_t ad_len);
+
+void EVP_add_alg_module(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_AEAD_AES_GCM_INIT				 187
+#define EVP_F_AEAD_AES_GCM_OPEN				 188
+#define EVP_F_AEAD_AES_GCM_SEAL				 189
+#define EVP_F_AEAD_CHACHA20_POLY1305_INIT		 192
+#define EVP_F_AEAD_CHACHA20_POLY1305_OPEN		 193
+#define EVP_F_AEAD_CHACHA20_POLY1305_SEAL		 194
+#define EVP_F_AEAD_CTX_OPEN				 185
+#define EVP_F_AEAD_CTX_SEAL				 186
+#define EVP_F_AESNI_INIT_KEY				 165
+#define EVP_F_AESNI_XTS_CIPHER				 176
+#define EVP_F_AES_INIT_KEY				 133
+#define EVP_F_AES_XTS					 172
+#define EVP_F_AES_XTS_CIPHER				 175
+#define EVP_F_ALG_MODULE_INIT				 177
+#define EVP_F_CAMELLIA_INIT_KEY				 159
+#define EVP_F_CMAC_INIT					 173
+#define EVP_F_D2I_PKEY					 100
+#define EVP_F_DO_SIGVER_INIT				 161
+#define EVP_F_DSAPKEY2PKCS8				 134
+#define EVP_F_DSA_PKEY2PKCS8				 135
+#define EVP_F_ECDSA_PKEY2PKCS8				 129
+#define EVP_F_ECKEY_PKEY2PKCS8				 132
+#define EVP_F_EVP_AEAD_CTX_INIT				 180
+#define EVP_F_EVP_AEAD_CTX_OPEN				 190
+#define EVP_F_EVP_AEAD_CTX_SEAL				 191
+#define EVP_F_EVP_BYTESTOKEY				 200
+#define EVP_F_EVP_CIPHERINIT_EX				 123
+#define EVP_F_EVP_CIPHER_CTX_COPY			 163
+#define EVP_F_EVP_CIPHER_CTX_CTRL			 124
+#define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH		 122
+#define EVP_F_EVP_CIPHER_GET_ASN1_IV			 201
+#define EVP_F_EVP_CIPHER_SET_ASN1_IV			 202
+#define EVP_F_EVP_DECRYPTFINAL_EX			 101
+#define EVP_F_EVP_DECRYPTUPDATE				 199
+#define EVP_F_EVP_DIGESTFINAL_EX			 196
+#define EVP_F_EVP_DIGESTINIT_EX				 128
+#define EVP_F_EVP_ENCRYPTFINAL_EX			 127
+#define EVP_F_EVP_ENCRYPTUPDATE				 198
+#define EVP_F_EVP_MD_CTX_COPY_EX			 110
+#define EVP_F_EVP_MD_CTX_CTRL				 195
+#define EVP_F_EVP_MD_SIZE				 162
+#define EVP_F_EVP_OPENINIT				 102
+#define EVP_F_EVP_PBE_ALG_ADD				 115
+#define EVP_F_EVP_PBE_ALG_ADD_TYPE			 160
+#define EVP_F_EVP_PBE_CIPHERINIT			 116
+#define EVP_F_EVP_PKCS82PKEY				 111
+#define EVP_F_EVP_PKCS82PKEY_BROKEN			 136
+#define EVP_F_EVP_PKEY2PKCS8_BROKEN			 113
+#define EVP_F_EVP_PKEY_COPY_PARAMETERS			 103
+#define EVP_F_EVP_PKEY_CTX_CTRL				 137
+#define EVP_F_EVP_PKEY_CTX_CTRL_STR			 150
+#define EVP_F_EVP_PKEY_CTX_DUP				 156
+#define EVP_F_EVP_PKEY_DECRYPT				 104
+#define EVP_F_EVP_PKEY_DECRYPT_INIT			 138
+#define EVP_F_EVP_PKEY_DECRYPT_OLD			 151
+#define EVP_F_EVP_PKEY_DERIVE				 153
+#define EVP_F_EVP_PKEY_DERIVE_INIT			 154
+#define EVP_F_EVP_PKEY_DERIVE_SET_PEER			 155
+#define EVP_F_EVP_PKEY_ENCRYPT				 105
+#define EVP_F_EVP_PKEY_ENCRYPT_INIT			 139
+#define EVP_F_EVP_PKEY_ENCRYPT_OLD			 152
+#define EVP_F_EVP_PKEY_GET1_DH				 119
+#define EVP_F_EVP_PKEY_GET1_DSA				 120
+#define EVP_F_EVP_PKEY_GET1_ECDSA			 130
+#define EVP_F_EVP_PKEY_GET1_EC_KEY			 131
+#define EVP_F_EVP_PKEY_GET1_RSA				 121
+#define EVP_F_EVP_PKEY_KEYGEN				 146
+#define EVP_F_EVP_PKEY_KEYGEN_INIT			 147
+#define EVP_F_EVP_PKEY_NEW				 106
+#define EVP_F_EVP_PKEY_PARAMGEN				 148
+#define EVP_F_EVP_PKEY_PARAMGEN_INIT			 149
+#define EVP_F_EVP_PKEY_SIGN				 140
+#define EVP_F_EVP_PKEY_SIGN_INIT			 141
+#define EVP_F_EVP_PKEY_VERIFY				 142
+#define EVP_F_EVP_PKEY_VERIFY_INIT			 143
+#define EVP_F_EVP_PKEY_VERIFY_RECOVER			 144
+#define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT		 145
+#define EVP_F_EVP_RIJNDAEL				 126
+#define EVP_F_EVP_SIGNFINAL				 107
+#define EVP_F_EVP_VERIFYFINAL				 108
+#define EVP_F_FIPS_CIPHERINIT				 166
+#define EVP_F_FIPS_CIPHER_CTX_COPY			 170
+#define EVP_F_FIPS_CIPHER_CTX_CTRL			 167
+#define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH		 171
+#define EVP_F_FIPS_DIGESTINIT				 168
+#define EVP_F_FIPS_MD_CTX_COPY				 169
+#define EVP_F_HMAC_INIT_EX				 174
+#define EVP_F_INT_CTX_NEW				 157
+#define EVP_F_PKCS5_PBE_KEYIVGEN			 117
+#define EVP_F_PKCS5_V2_PBE_KEYIVGEN			 118
+#define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN			 164
+#define EVP_F_PKCS8_SET_BROKEN				 112
+#define EVP_F_PKEY_SET_TYPE				 158
+#define EVP_F_RC2_GET_ASN1_TYPE_AND_IV			 197
+#define EVP_F_RC2_MAGIC_TO_METH				 109
+#define EVP_F_RC5_CTRL					 125
+
+/* Reason codes. */
+#define EVP_R_AES_IV_SETUP_FAILED			 162
+#define EVP_R_AES_KEY_SETUP_FAILED			 143
+#define EVP_R_ASN1_LIB					 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_BUFFER_TOO_SMALL				 155
+#define EVP_R_CAMELLIA_KEY_SETUP_FAILED			 157
+#define EVP_R_CIPHER_PARAMETER_ERROR			 122
+#define EVP_R_COMMAND_NOT_SUPPORTED			 147
+#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_DIFFERENT_PARAMETERS			 153
+#define EVP_R_DISABLED_FOR_FIPS				 163
+#define EVP_R_ENCODE_ERROR				 115
+#define EVP_R_ERROR_LOADING_SECTION			 165
+#define EVP_R_ERROR_SETTING_FIPS_MODE			 166
+#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_EXPECTING_A_ECDSA_KEY			 141
+#define EVP_R_EXPECTING_A_EC_KEY			 142
+#define EVP_R_FIPS_MODE_NOT_SUPPORTED			 167
+#define EVP_R_INITIALIZATION_ERROR			 134
+#define EVP_R_INPUT_NOT_INITIALIZED			 111
+#define EVP_R_INVALID_DIGEST				 152
+#define EVP_R_INVALID_FIPS_MODE				 168
+#define EVP_R_INVALID_KEY_LENGTH			 130
+#define EVP_R_INVALID_OPERATION				 148
+#define EVP_R_IV_TOO_LARGE				 102
+#define EVP_R_KEYGEN_FAILURE				 120
+#define EVP_R_MESSAGE_DIGEST_IS_NULL			 159
+#define EVP_R_METHOD_NOT_SUPPORTED			 144
+#define EVP_R_MISSING_PARAMETERS			 103
+#define EVP_R_NO_CIPHER_SET				 131
+#define EVP_R_NO_DEFAULT_DIGEST				 158
+#define EVP_R_NO_DIGEST_SET				 139
+#define EVP_R_NO_DSA_PARAMETERS				 116
+#define EVP_R_NO_KEY_SET				 154
+#define EVP_R_NO_OPERATION_SET				 149
+#define EVP_R_NO_SIGN_FUNCTION_CONFIGURED		 104
+#define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED		 105
+#define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE	 150
+#define EVP_R_OPERATON_NOT_INITIALIZED			 151
+#define EVP_R_OUTPUT_ALIASES_INPUT			 172
+#define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE			 117
+#define EVP_R_PRIVATE_KEY_DECODE_ERROR			 145
+#define EVP_R_PRIVATE_KEY_ENCODE_ERROR			 146
+#define EVP_R_PUBLIC_KEY_NOT_RSA			 106
+#define EVP_R_TAG_TOO_LARGE				 171
+#define EVP_R_TOO_LARGE					 164
+#define EVP_R_UNKNOWN_CIPHER				 160
+#define EVP_R_UNKNOWN_DIGEST				 161
+#define EVP_R_UNKNOWN_OPTION				 169
+#define EVP_R_UNKNOWN_PBE_ALGORITHM			 121
+#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS		 135
+#define EVP_R_UNSUPPORTED_ALGORITHM			 156
+#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