Compare commits

...

9 commits

Author SHA1 Message Date
wllm-rbnt
d1180e396d
Merge 594de65d62 into 61e0071572 2024-09-02 08:49:43 +02:00
61e0071572
Merge pull request #112 from adulau/dependabot/github_actions/actions/upload-artifact-4.3.6
Bump actions/upload-artifact from 4.3.4 to 4.3.6
2024-08-21 14:12:52 +02:00
b31ef76274
Merge pull request #108 from adulau/dependabot/github_actions/ossf/scorecard-action-2.4.0
Bump ossf/scorecard-action from 2.3.3 to 2.4.0
2024-08-21 14:12:37 +02:00
d70855020e
Merge pull request #111 from 1div0/ECH
ECH
2024-08-21 14:11:46 +02:00
dependabot[bot]
c339dda2f7
Bump actions/upload-artifact from 4.3.4 to 4.3.6
Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.4 to 4.3.6.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](0b2256b8c0...834a144ee9)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
2024-08-12 04:33:03 +00:00
Peter Kovář
00171e1bf9 Add ECH
Signed-off-by: Peter Kovář <peter.kovar@reflexion.tv>
2024-08-10 20:29:32 +02:00
Peter Kovář
5c20a7401b Add TLS Version 1.3 Handling
Signed-off-by: Peter Kovář <peter.kovar@reflexion.tv>
2024-08-10 20:26:32 +02:00
dependabot[bot]
ad330211e2
Bump ossf/scorecard-action from 2.3.3 to 2.4.0
Bumps [ossf/scorecard-action](https://github.com/ossf/scorecard-action) from 2.3.3 to 2.4.0.
- [Release notes](https://github.com/ossf/scorecard-action/releases)
- [Changelog](https://github.com/ossf/scorecard-action/blob/main/RELEASE.md)
- [Commits](dc50aa9510...62b2cac7ed)

---
updated-dependencies:
- dependency-name: ossf/scorecard-action
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2024-07-29 04:49:26 +00:00
William Robinet
594de65d62
Add initial support for openssl 3.x 2023-12-14 16:13:08 +01:00
4 changed files with 111 additions and 71 deletions

View file

@ -37,7 +37,7 @@ jobs:
persist-credentials: false
- name: "Run analysis"
uses: ossf/scorecard-action@dc50aa9510b46c811795eb24b2f1ba02a914e534 # v2.3.3
uses: ossf/scorecard-action@62b2cac7ed8198b15735ed49ab1e5cf35480ba46 # v2.4.0
with:
results_file: results.sarif
results_format: sarif
@ -59,7 +59,7 @@ jobs:
# Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
# format to the repository Actions tab.
- name: "Upload artifact"
uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
uses: actions/upload-artifact@834a144ee995460fba8ed112a2fc961b36a5ec5a # v4.3.6
with:
name: SARIF file
path: results.sarif

View file

@ -244,7 +244,7 @@ static int decode_HandshakeType_ClientHello(ssl_obj *ssl,
SSL_DECODE_UINT16(ssl, "extensions len", 0, data, &exlen);
if(exlen) {
explain(ssl, "extensions\n");
while(data->len) {
while(data->len > 0) {
SSL_DECODE_UINT16(ssl, "extension type", 0, data, &ex);
if(!ja3_ex_str)
ja3_ex_str = calloc(7, 1);
@ -1714,6 +1714,7 @@ decoder extension_decoder[] = {
{55, "external_id_hash", decode_extension},
{56, "external_session_id", decode_extension},
{13172, "next_protocol_negotiation", decode_extension},
{0xfe0d, "encrypted_client_hello", decode_extension},
{0xff01, "renegotiation_info", decode_extension},
{-1}};

View file

@ -412,42 +412,53 @@ static int tls_check_mac(ssl_rec_decoder *d,
UCHAR *iv,
UINT4 ivlen,
UCHAR *mac) {
HMAC_CTX *hm = HMAC_CTX_new();
if(!hm)
ERETURN(R_NO_MEMORY);
const EVP_MD *md;
UINT4 l;
size_t l;
UCHAR buf[128];
OSSL_PARAM params[2];
EVP_MAC *hmac = EVP_MAC_fetch(NULL, "HMAC", NULL);
EVP_MAC_CTX *mac_ctx = EVP_MAC_CTX_new(hmac);
EVP_MAC_free(hmac);
if(!mac_ctx)
ERETURN(R_NO_MEMORY);
md = EVP_get_digestbyname(digests[d->cs->dig - 0x40]);
HMAC_Init_ex(hm, d->mac_key->data, d->mac_key->len, md, NULL);
if(!md)
ERETURN(R_NOT_FOUND);
params[0] = OSSL_PARAM_construct_utf8_string("digest", digests[d->cs->dig - 0x40], 0);
params[1] = OSSL_PARAM_construct_end();
EVP_MAC_init(mac_ctx, d->mac_key->data, d->mac_key->len, params);
fmt_seq(d->seq, buf);
d->seq++;
HMAC_Update(hm, buf, 8);
EVP_MAC_update(mac_ctx, buf, 8);
buf[0] = ct;
HMAC_Update(hm, buf, 1);
EVP_MAC_update(mac_ctx, buf, 1);
buf[0] = MSB(ver);
buf[1] = LSB(ver);
HMAC_Update(hm, buf, 2);
EVP_MAC_update(mac_ctx, buf, 2);
buf[0] = MSB(datalen);
buf[1] = LSB(datalen);
HMAC_Update(hm, buf, 2);
EVP_MAC_update(mac_ctx, buf, 2);
/* for encrypt-then-mac with an explicit IV */
if(ivlen && iv) {
HMAC_Update(hm, iv, ivlen);
HMAC_Update(hm, data, datalen - ivlen);
EVP_MAC_update(mac_ctx, iv, ivlen);
EVP_MAC_update(mac_ctx, data, datalen - ivlen);
} else
HMAC_Update(hm, data, datalen);
EVP_MAC_update(mac_ctx, data, datalen);
HMAC_Final(hm, buf, &l);
EVP_MAC_final(mac_ctx, buf, &l, sizeof(buf));
if(memcmp(mac, buf, l))
ERETURN(SSL_BAD_MAC);
HMAC_CTX_free(hm);
EVP_MAC_CTX_free(mac_ctx);
return 0;
}

View file

@ -108,7 +108,7 @@ struct ssl_decoder_ {
#ifdef OPENSSL
static int tls_P_hash PROTO_LIST(
(ssl_obj * ssl, Data *secret, Data *seed, const EVP_MD *md, Data *out));
(ssl_obj * ssl, Data *secret, Data *seed, char *md_name, Data *out));
static int tls12_prf PROTO_LIST((ssl_obj * ssl,
Data *secret,
char *usage,
@ -555,6 +555,7 @@ int ssl_restore_session(ssl_obj *ssl, ssl_decoder *d) {
case TLSV1_VERSION:
case TLSV11_VERSION:
case TLSV12_VERSION:
case TLSV13_VERSION:
if((r = ssl_generate_keying_material(ssl, d)))
ABORT(r);
break;
@ -612,9 +613,9 @@ int ssl_process_client_key_exchange(ssl_obj *ssl,
int len) {
#ifdef OPENSSL
int r, _status;
int i;
size_t i;
EVP_PKEY *pk;
const BIGNUM *n;
BIGNUM *n;
/* Remove the master secret if it was there
to force keying material regeneration in
@ -635,12 +636,15 @@ int ssl_process_client_key_exchange(ssl_obj *ssl,
if(EVP_PKEY_id(pk) != EVP_PKEY_RSA)
return -1;
RSA_get0_key(EVP_PKEY_get0_RSA(pk), &n, NULL, NULL);
EVP_PKEY_get_bn_param(pk, "priv", &n);
if((r = r_data_alloc(&d->PMS, BN_num_bytes(n))))
ABORT(r);
i = RSA_private_decrypt(len, msg, d->PMS->data, EVP_PKEY_get0_RSA(pk),
RSA_PKCS1_PADDING);
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new(pk, NULL);
EVP_PKEY_decrypt_init(ctx);
EVP_PKEY_decrypt(ctx, d->PMS->data, &i, msg, len);
EVP_PKEY_CTX_free(ctx);
EVP_PKEY_free(pk);
if(i != 48)
ABORT(SSL_BAD_PMS);
@ -655,6 +659,7 @@ int ssl_process_client_key_exchange(ssl_obj *ssl,
case TLSV1_VERSION:
case TLSV11_VERSION:
case TLSV12_VERSION:
case TLSV13_VERSION:
if((r = ssl_generate_keying_material(ssl, d)))
ABORT(r);
break;
@ -678,15 +683,22 @@ abort:
static int tls_P_hash(ssl_obj *ssl,
Data *secret,
Data *seed,
const EVP_MD *md,
char *md_name,
Data *out) {
UCHAR *ptr = out->data;
int left = out->len;
int tocpy;
UCHAR *A;
UCHAR _A[128], tmp[128];
unsigned int A_l, tmp_l;
HMAC_CTX *hm = HMAC_CTX_new();
size_t A_l, tmp_l;
OSSL_PARAM params[2];
EVP_MAC *hmac = EVP_MAC_fetch(NULL, "HMAC", NULL);
EVP_MAC_CTX *mac_ctx = EVP_MAC_CTX_new(hmac);
EVP_MAC_free(hmac);
params[0] = OSSL_PARAM_construct_utf8_string("digest", md_name, 0);
params[1] = OSSL_PARAM_construct_end();
CRDUMPD("P_hash secret", secret);
CRDUMPD("P_hash seed", seed);
@ -695,15 +707,15 @@ static int tls_P_hash(ssl_obj *ssl,
A_l = seed->len;
while(left) {
HMAC_Init_ex(hm, secret->data, secret->len, md, NULL);
HMAC_Update(hm, A, A_l);
HMAC_Final(hm, _A, &A_l);
EVP_MAC_init(mac_ctx, secret->data, secret->len, params);
EVP_MAC_update(mac_ctx, A, A_l);
EVP_MAC_final(mac_ctx, (unsigned char *) &_A, &A_l, sizeof(_A));
A = _A;
HMAC_Init_ex(hm, secret->data, secret->len, md, NULL);
HMAC_Update(hm, A, A_l);
HMAC_Update(hm, seed->data, seed->len);
HMAC_Final(hm, tmp, &tmp_l);
EVP_MAC_init(mac_ctx, secret->data, secret->len, params);
EVP_MAC_update(mac_ctx, A, A_l);
EVP_MAC_update(mac_ctx, seed->data, seed->len);
EVP_MAC_final(mac_ctx, (unsigned char *) &tmp, &tmp_l, sizeof(tmp));
tocpy = MIN(left, tmp_l);
memcpy(ptr, tmp, tocpy);
@ -711,7 +723,7 @@ static int tls_P_hash(ssl_obj *ssl,
left -= tocpy;
}
HMAC_CTX_free(hm);
EVP_MAC_CTX_free(mac_ctx);
CRDUMPD("P_hash out", out);
return 0;
@ -754,9 +766,9 @@ static int tls_prf(ssl_obj *ssl,
memcpy(S1->data, secret->data, S_l);
memcpy(S2->data, secret->data + (secret->len - S_l), S_l);
if((r = tls_P_hash(ssl, S1, seed, EVP_get_digestbyname("MD5"), md5_out)))
if((r = tls_P_hash(ssl, S1, seed, "MD5", md5_out)))
ABORT(r);
if((r = tls_P_hash(ssl, S2, seed, EVP_get_digestbyname("SHA1"), sha_out)))
if((r = tls_P_hash(ssl, S2, seed, "SHA1", sha_out)))
ABORT(r);
for(i = 0; i < out->len; i++)
@ -808,7 +820,7 @@ static int tls12_prf(ssl_obj *ssl,
digests[dgi]));
ERETURN(SSL_BAD_MAC);
}
if((r = tls_P_hash(ssl, secret, seed, md, sha_out)))
if((r = tls_P_hash(ssl, secret, seed, digests[dgi], sha_out)))
ABORT(r);
for(i = 0; i < out->len; i++)
@ -826,15 +838,18 @@ static int ssl3_generate_export_iv(ssl_obj *ssl,
Data *r1,
Data *r2,
Data *out) {
MD5_CTX md5;
UCHAR tmp[16];
unsigned int tmp_len;
MD5_Init(&md5);
MD5_Update(&md5, r1->data, r1->len);
MD5_Update(&md5, r2->data, r2->len);
MD5_Final(tmp, &md5);
EVP_MD_CTX *mdctx;
mdctx = EVP_MD_CTX_new();
EVP_DigestInit(mdctx, EVP_get_digestbyname("MD5"));
EVP_DigestUpdate(mdctx, r1->data, r1->len);
EVP_DigestUpdate(mdctx, r2->data, r2->len);
EVP_DigestFinal_ex(mdctx, tmp, &tmp_len);
EVP_MD_CTX_free(mdctx);
memcpy(out->data, tmp, out->len);
memcpy(out->data, tmp, tmp_len);
return 0;
}
@ -845,12 +860,13 @@ static int ssl3_prf(ssl_obj *ssl,
Data *r1,
Data *r2,
Data *out) {
MD5_CTX md5;
SHA_CTX sha;
EVP_MD_CTX *md5_ctx;
EVP_MD_CTX *sha1_ctx;
Data *rnd1, *rnd2;
int off;
int i = 0, j;
UCHAR buf[20];
unsigned int buf_len;
rnd1 = r1;
rnd2 = r2;
@ -859,12 +875,14 @@ static int ssl3_prf(ssl_obj *ssl,
CRDUMPD("RND1", rnd1);
CRDUMPD("RND2", rnd2);
MD5_Init(&md5);
memset(&sha, 0, sizeof(sha));
SHA1_Init(&sha);
md5_ctx = EVP_MD_CTX_new();
EVP_DigestInit(md5_ctx, EVP_get_digestbyname("MD5"));
sha1_ctx = EVP_MD_CTX_new();
EVP_DigestInit(sha1_ctx, EVP_get_digestbyname("SHA1"));
for(off = 0; off < out->len; off += 16) {
char outbuf[16];
unsigned int outbuf_len;
int tocpy;
i++;
@ -873,38 +891,43 @@ static int ssl3_prf(ssl_obj *ssl,
buf[j] = 64 + i;
}
SHA1_Update(&sha, buf, i);
EVP_DigestUpdate(sha1_ctx, buf, i);
CRDUMP("BUF", buf, i);
if(secret)
SHA1_Update(&sha, secret->data, secret->len);
EVP_DigestUpdate(sha1_ctx, secret->data, secret->len);
CRDUMPD("secret", secret);
if(!strcmp(usage, "client write key") ||
!strcmp(usage, "server write key")) {
SHA1_Update(&sha, rnd2->data, rnd2->len);
EVP_DigestUpdate(sha1_ctx, rnd2->data, rnd2->len);
CRDUMPD("rnd2", rnd2);
SHA1_Update(&sha, rnd1->data, rnd1->len);
EVP_DigestUpdate(sha1_ctx, rnd1->data, rnd1->len);
CRDUMPD("rnd1", rnd1);
} else {
SHA1_Update(&sha, rnd1->data, rnd1->len);
EVP_DigestUpdate(sha1_ctx, rnd1->data, rnd1->len);
CRDUMPD("rnd1", rnd1);
SHA1_Update(&sha, rnd2->data, rnd2->len);
EVP_DigestUpdate(sha1_ctx, rnd2->data, rnd2->len);
CRDUMPD("rnd2", rnd2);
}
SHA1_Final(buf, &sha);
EVP_DigestFinal_ex(sha1_ctx, buf, &buf_len);
EVP_MD_CTX_free(sha1_ctx);
CRDUMP("SHA out", buf, 20);
SHA1_Init(&sha);
sha1_ctx = EVP_MD_CTX_new();
EVP_DigestInit(sha1_ctx, EVP_get_digestbyname("SHA1"));
MD5_Update(&md5, secret->data, secret->len);
MD5_Update(&md5, buf, 20);
MD5_Final((unsigned char *)outbuf, &md5);
EVP_DigestUpdate(md5_ctx, secret->data, secret->len);
EVP_DigestUpdate(md5_ctx, buf, 20);
EVP_DigestFinal_ex(md5_ctx, outbuf, &outbuf_len);
EVP_MD_CTX_free(md5_ctx);
tocpy = MIN(out->len - off, 16);
memcpy(out->data + off, outbuf, tocpy);
CRDUMP("MD5 out", (UCHAR *)outbuf, 16);
MD5_Init(&md5);
md5_ctx = EVP_MD_CTX_new();
EVP_DigestInit(md5_ctx, EVP_get_digestbyname("MD5"));
}
return 0;
@ -914,6 +937,7 @@ static int ssl_generate_keying_material(ssl_obj *ssl, ssl_decoder *d) {
Data *key_block = 0, temp;
UCHAR _iv_c[8], _iv_s[8];
UCHAR _key_c[16], _key_s[16];
unsigned int _key_c_len, _key_s_len;
int needed;
int r, _status;
UCHAR *ptr, *c_wk, *s_wk, *c_mk = NULL, *s_mk = NULL, *c_iv = NULL,
@ -1017,20 +1041,24 @@ static int ssl_generate_keying_material(ssl_obj *ssl, ssl_decoder *d) {
}
if(ssl->version == SSLV3_VERSION) {
MD5_CTX md5;
MD5_Init(&md5);
MD5_Update(&md5, c_wk, ssl->cs->eff_bits / 8);
MD5_Update(&md5, d->client_random->data, d->client_random->len);
MD5_Update(&md5, d->server_random->data, d->server_random->len);
MD5_Final(_key_c, &md5);
EVP_MD_CTX *mdctx;
mdctx = EVP_MD_CTX_new();
EVP_DigestInit(mdctx, EVP_get_digestbyname("MD5"));
EVP_DigestUpdate(mdctx, c_wk, ssl->cs->eff_bits / 8);
EVP_DigestUpdate(mdctx, d->client_random->data, d->client_random->len);
EVP_DigestUpdate(mdctx, d->server_random->data, d->server_random->len);
EVP_DigestFinal_ex(mdctx, _key_c, &_key_c_len);
EVP_MD_CTX_free(mdctx);
c_wk = _key_c;
MD5_Init(&md5);
MD5_Update(&md5, s_wk, ssl->cs->eff_bits / 8);
MD5_Update(&md5, d->server_random->data, d->server_random->len);
MD5_Update(&md5, d->client_random->data, d->client_random->len);
MD5_Final(_key_s, &md5);
mdctx = EVP_MD_CTX_new();
EVP_DigestInit(mdctx, EVP_get_digestbyname("MD5"));
EVP_DigestUpdate(mdctx, s_wk, ssl->cs->eff_bits / 8);
EVP_DigestUpdate(mdctx, d->server_random->data, d->server_random->len);
EVP_DigestUpdate(mdctx, d->client_random->data, d->client_random->len);
EVP_DigestFinal_ex(mdctx, _key_s, &_key_s_len);
EVP_MD_CTX_free(mdctx);
s_wk = _key_s;
} else {
ATTACH_DATA(key_c, _key_c);