diff options
Diffstat (limited to 'openssl-1.1.0h/crypto/objects/obj_xref.c')
| -rw-r--r-- | openssl-1.1.0h/crypto/objects/obj_xref.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/objects/obj_xref.c b/openssl-1.1.0h/crypto/objects/obj_xref.c new file mode 100644 index 0000000..627f5bc --- /dev/null +++ b/openssl-1.1.0h/crypto/objects/obj_xref.c @@ -0,0 +1,165 @@ +/* + * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <openssl/objects.h> +#include "obj_xref.h" +#include "e_os.h" + +static STACK_OF(nid_triple) *sig_app, *sigx_app; + +static int sig_cmp(const nid_triple *a, const nid_triple *b) +{ + return a->sign_id - b->sign_id; +} + +DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); +IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); + +static int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b) +{ + return (*a)->sign_id - (*b)->sign_id; +} + +DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); + +static int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b) +{ + int ret; + ret = (*a)->hash_id - (*b)->hash_id; + if (ret) + return ret; + return (*a)->pkey_id - (*b)->pkey_id; +} + +IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); + +int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) +{ + nid_triple tmp; + const nid_triple *rv = NULL; + tmp.sign_id = signid; + + if (sig_app) { + int idx = sk_nid_triple_find(sig_app, &tmp); + if (idx >= 0) + rv = sk_nid_triple_value(sig_app, idx); + } +#ifndef OBJ_XREF_TEST2 + if (rv == NULL) { + rv = OBJ_bsearch_sig(&tmp, sigoid_srt, OSSL_NELEM(sigoid_srt)); + } +#endif + if (rv == NULL) + return 0; + if (pdig_nid) + *pdig_nid = rv->hash_id; + if (ppkey_nid) + *ppkey_nid = rv->pkey_id; + return 1; +} + +int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) +{ + nid_triple tmp; + const nid_triple *t = &tmp; + const nid_triple **rv = NULL; + + tmp.hash_id = dig_nid; + tmp.pkey_id = pkey_nid; + + if (sigx_app) { + int idx = sk_nid_triple_find(sigx_app, &tmp); + if (idx >= 0) { + t = sk_nid_triple_value(sigx_app, idx); + rv = &t; + } + } +#ifndef OBJ_XREF_TEST2 + if (rv == NULL) { + rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref)); + } +#endif + if (rv == NULL) + return 0; + if (psignid) + *psignid = (*rv)->sign_id; + return 1; +} + +int OBJ_add_sigid(int signid, int dig_id, int pkey_id) +{ + nid_triple *ntr; + if (sig_app == NULL) + sig_app = sk_nid_triple_new(sig_sk_cmp); + if (sig_app == NULL) + return 0; + if (sigx_app == NULL) + sigx_app = sk_nid_triple_new(sigx_cmp); + if (sigx_app == NULL) + return 0; + ntr = OPENSSL_malloc(sizeof(*ntr)); + if (ntr == NULL) + return 0; + ntr->sign_id = signid; + ntr->hash_id = dig_id; + ntr->pkey_id = pkey_id; + + if (!sk_nid_triple_push(sig_app, ntr)) { + OPENSSL_free(ntr); + return 0; + } + + if (!sk_nid_triple_push(sigx_app, ntr)) + return 0; + + sk_nid_triple_sort(sig_app); + sk_nid_triple_sort(sigx_app); + + return 1; +} + +static void sid_free(nid_triple *tt) +{ + OPENSSL_free(tt); +} + +void OBJ_sigid_free(void) +{ + sk_nid_triple_pop_free(sig_app, sid_free); + sig_app = NULL; + sk_nid_triple_free(sigx_app); + sigx_app = NULL; +} + +#ifdef OBJ_XREF_TEST + +main() +{ + int n1, n2, n3; + + int i, rv; +# ifdef OBJ_XREF_TEST2 + for (i = 0; i < OSSL_NELEM(sigoid_srt); i++) { + OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], sigoid_srt[i][2]); + } +# endif + + for (i = 0; i < OSSL_NELEM(sigoid_srt); i++) { + n1 = sigoid_srt[i][0]; + rv = OBJ_find_sigid_algs(n1, &n2, &n3); + printf("Forward: %d, %s %s %s\n", rv, + OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); + n1 = 0; + rv = OBJ_find_sigid_by_algs(&n1, n2, n3); + printf("Reverse: %d, %s %s %s\n", rv, + OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); + } +} + +#endif |