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fuzz-harness
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Makefile
(729 B)
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README
(74 B)
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authopt_fuzz.cc
(655 B)
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pubkey_fuzz.cc
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sig_fuzz.cc
(1.59 KB)
Editing: sig_fuzz.cc
// cc_fuzz_target test for public key parsing. #include <stddef.h> #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> extern "C" { #include "includes.h" #include "sshkey.h" #include "ssherr.h" static struct sshkey *generate_or_die(int type, unsigned bits) { int r; struct sshkey *ret; if ((r = sshkey_generate(type, bits, &ret)) != 0) { fprintf(stderr, "generate(%d, %u): %s", type, bits, ssh_err(r)); abort(); } return ret; } int LLVMFuzzerTestOneInput(const uint8_t* sig, size_t slen) { #ifdef WITH_OPENSSL static struct sshkey *rsa = generate_or_die(KEY_RSA, 2048); static struct sshkey *dsa = generate_or_die(KEY_DSA, 1024); static struct sshkey *ecdsa256 = generate_or_die(KEY_ECDSA, 256); static struct sshkey *ecdsa384 = generate_or_die(KEY_ECDSA, 384); static struct sshkey *ecdsa521 = generate_or_die(KEY_ECDSA, 521); #endif static struct sshkey *ed25519 = generate_or_die(KEY_ED25519, 0); static const char *data = "If everyone started announcing his nose had " "run away, I don’t know how it would all end"; static const size_t dlen = strlen(data); #ifdef WITH_OPENSSL sshkey_verify(rsa, sig, slen, (const u_char *)data, dlen, NULL, 0); sshkey_verify(dsa, sig, slen, (const u_char *)data, dlen, NULL, 0); sshkey_verify(ecdsa256, sig, slen, (const u_char *)data, dlen, NULL, 0); sshkey_verify(ecdsa384, sig, slen, (const u_char *)data, dlen, NULL, 0); sshkey_verify(ecdsa521, sig, slen, (const u_char *)data, dlen, NULL, 0); #endif sshkey_verify(ed25519, sig, slen, (const u_char *)data, dlen, NULL, 0); return 0; } } // extern
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