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Annotation of src/usr.bin/ssh/ssh-sk.h, Revision 1.3

1.3     ! markus      1: /* $OpenBSD: ssh-sk.h,v 1.2 2019/10/31 21:22:01 djm Exp $ */
1.1       djm         2: /*
                      3:  * Copyright (c) 2019 Google LLC
                      4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
                     17:
                     18: #ifndef _SSH_SK_H
                     19: #define _SSH_SK_H 1
                     20:
                     21: struct sshbuf;
                     22: struct sshkey;
1.2       djm        23:
                     24: /* Version of protocol between ssh-agent and ssh-sk-helper */
                     25: #define SSH_SK_HELPER_VERSION  1
1.1       djm        26:
                     27: /*
                     28:  * Enroll (generate) a new security-key hosted private key via the specified
                     29:  * provider middleware.
                     30:  * If challenge_buf is NULL then a random 256 bit challenge will be used.
                     31:  *
                     32:  * Returns 0 on success or a ssherr.h error code on failure.
                     33:  *
                     34:  * If successful and the attest_data buffer is not NULL then attestation
                     35:  * information is placed there.
                     36:  */
                     37: int sshsk_enroll(const char *provider_path, const char *application,
                     38:     uint8_t flags, struct sshbuf *challenge_buf, struct sshkey **keyp,
                     39:     struct sshbuf *attest);
                     40:
                     41: /*
1.3     ! markus     42:  * Calculate an ECDSA_SK signature using the specified key
        !            43:  * and provider middleware.
1.1       djm        44:  *
                     45:  * Returns 0 on success or a ssherr.h error code on failure.
                     46:  */
1.3     ! markus     47: int sshsk_sign(const char *provider_path, const struct sshkey *key,
1.1       djm        48:     u_char **sigp, size_t *lenp, const u_char *data, size_t datalen,
                     49:     u_int compat);
                     50:
                     51: #endif /* _SSH_SK_H */
                     52: