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/* $OpenBSD: ssl_sigalgs.h,v 1.19 2021/06/27 18:09:07 jsing Exp $ */
/*
* Copyright (c) 2018-2019 Bob Beck <beck@openbsd.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HEADER_SSL_SIGALGS_H
#define HEADER_SSL_SIGALGS_H
__BEGIN_HIDDEN_DECLS
#define SIGALG_NONE 0x0000
/*
* RFC 8446 Section 4.2.3
* RFC 5246 Section 7.4.1.4.1
*/
#define SIGALG_RSA_PKCS1_SHA224 0x0301
#define SIGALG_RSA_PKCS1_SHA256 0x0401
#define SIGALG_RSA_PKCS1_SHA384 0x0501
#define SIGALG_RSA_PKCS1_SHA512 0x0601
#define SIGALG_ECDSA_SECP224R1_SHA224 0x0303
#define SIGALG_ECDSA_SECP256R1_SHA256 0x0403
#define SIGALG_ECDSA_SECP384R1_SHA384 0x0503
#define SIGALG_ECDSA_SECP521R1_SHA512 0x0603
#define SIGALG_RSA_PSS_RSAE_SHA256 0x0804
#define SIGALG_RSA_PSS_RSAE_SHA384 0x0805
#define SIGALG_RSA_PSS_RSAE_SHA512 0x0806
#define SIGALG_ED25519 0x0807
#define SIGALG_ED448 0x0808
#define SIGALG_RSA_PSS_PSS_SHA256 0x0809
#define SIGALG_RSA_PSS_PSS_SHA384 0x080a
#define SIGALG_RSA_PSS_PSS_SHA512 0x080b
#define SIGALG_RSA_PKCS1_SHA1 0x0201
#define SIGALG_ECDSA_SHA1 0x0203
#define SIGALG_PRIVATE_START 0xFE00
#define SIGALG_PRIVATE_END 0xFFFF
/*
* If Russia can elect the US President, surely
* IANA could fix this problem.
*/
#define SIGALG_GOSTR12_512_STREEBOG_512 0xEFEF
#define SIGALG_GOSTR12_256_STREEBOG_256 0xEEEE
#define SIGALG_GOSTR01_GOST94 0xEDED
/* Legacy sigalg for < 1.2 same value as boring uses*/
#define SIGALG_RSA_PKCS1_MD5_SHA1 0xFF01
#define SIGALG_FLAG_RSA_PSS 0x00000001
struct ssl_sigalg {
uint16_t value;
int key_type;
const EVP_MD *(*md)(void);
int curve_nid;
int flags;
};
extern const uint16_t tls12_sigalgs[];
extern const size_t tls12_sigalgs_len;
extern const uint16_t tls13_sigalgs[];
extern const size_t tls13_sigalgs_len;
const struct ssl_sigalg *ssl_sigalg_lookup(uint16_t sigalg);
const struct ssl_sigalg *ssl_sigalg_from_value(uint16_t sigalg,
const uint16_t *values, size_t len);
int ssl_sigalgs_build(uint16_t tls_version, CBB *cbb);
int ssl_sigalg_pkey_check(uint16_t sigalg, EVP_PKEY *pk);
int ssl_sigalg_pkey_ok(const struct ssl_sigalg *sigalg, EVP_PKEY *pkey,
int check_curve);
const struct ssl_sigalg *ssl_sigalg_select(SSL *s, EVP_PKEY *pkey);
__END_HIDDEN_DECLS
#endif
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