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Diffstat (limited to 'libressl/libressl/include/openssl/evp.h')
| -rw-r--r-- | libressl/libressl/include/openssl/evp.h | 1553 |
1 files changed, 1553 insertions, 0 deletions
diff --git a/libressl/libressl/include/openssl/evp.h b/libressl/libressl/include/openssl/evp.h new file mode 100644 index 0000000..b49fc61 --- /dev/null +++ b/libressl/libressl/include/openssl/evp.h @@ -0,0 +1,1553 @@ +/* $OpenBSD: evp.h,v 1.77 2019/09/09 18:06:25 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_WRAP_MODE 0x10002 +#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 + +/* + * Cipher context flag to indicate that 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_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_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_get_iv(const EVP_CIPHER_CTX *ctx, + unsigned char *iv, size_t len); +int EVP_CIPHER_CTX_set_iv(EVP_CIPHER_CTX *ctx, + const unsigned char *iv, size_t len); +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); + +EVP_MD_CTX *EVP_MD_CTX_new(void); +void EVP_MD_CTX_free(EVP_MD_CTX *ctx); +void EVP_MD_CTX_init(EVP_MD_CTX *ctx); +int EVP_MD_CTX_reset(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_cleanup(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, const 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); + +EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void); +void EVP_ENCODE_CTX_free(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); + +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_reset(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 +const BIO_METHOD *BIO_f_md(void); +const BIO_METHOD *BIO_f_base64(void); +const BIO_METHOD *BIO_f_cipher(void); +int 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_SM3 +const EVP_MD *EVP_sm3(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_wrap(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_192_wrap(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_wrap(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 + +#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 + +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(const EVP_PKEY *pkey); +int EVP_PKEY_size(const 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(const EVP_PKEY *pkey); +const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len); + +#ifndef OPENSSL_NO_RSA +struct rsa_st; +struct rsa_st *EVP_PKEY_get0_RSA(EVP_PKEY *pkey); +struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey); +int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key); +#endif +#ifndef OPENSSL_NO_DSA +struct dsa_st; +struct dsa_st *EVP_PKEY_get0_DSA(EVP_PKEY *pkey); +struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey); +int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key); +#endif +#ifndef OPENSSL_NO_DH +struct dh_st; +struct dh_st *EVP_PKEY_get0_DH(EVP_PKEY *pkey); +struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey); +int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key); +#endif +#ifndef OPENSSL_NO_EC +struct ec_key_st; +struct ec_key_st *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey); +struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey); +int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key); +#endif +#ifndef OPENSSL_NO_GOST +struct gost_key_st; +#endif + +EVP_PKEY *EVP_PKEY_new(void); +void EVP_PKEY_free(EVP_PKEY *pkey); +int EVP_PKEY_up_ref(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 +#define ASN1_PKEY_CTRL_CMS_RI_TYPE 0x8 + +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(const 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, const 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_CTX_get_signature_md(ctx, pmd) \ + EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG, \ + EVP_PKEY_CTRL_GET_MD, 0, (void *)(pmd)) + +#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_CTRL_GET_MD 13 + +#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); +/* EVP_aead_xchacha20_poly1305 is XChaCha20 with a Poly1305 authenticator. */ +const EVP_AEAD *EVP_aead_xchacha20_poly1305(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_HMAC_KEY 174 +#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_WRAP_MODE_NOT_ALLOWED 170 +#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 |