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[tor-commits] [tor/master] Move encode_cert to torcert.c and rename it to tor_cert_encode_ed22519()
commit 9f74f8f732113ff1c63ed971e13229c523ed5a51
Author: Neel Chauhan <neel@xxxxxxxxx>
Date: Wed Nov 9 20:01:26 2016 -0500
Move encode_cert to torcert.c and rename it to tor_cert_encode_ed22519()
Signed-off-by: David Goulet <dgoulet@xxxxxxxxxxxxxx>
---
src/or/hs_descriptor.c | 47 ++++---------------------------------------
src/or/hs_descriptor.h | 1 -
src/or/torcert.c | 41 +++++++++++++++++++++++++++++++++++++
src/or/torcert.h | 2 ++
src/test/test_hs_descriptor.c | 2 +-
5 files changed, 48 insertions(+), 45 deletions(-)
diff --git a/src/or/hs_descriptor.c b/src/or/hs_descriptor.c
index 1517ccb..3a536e7 100644
--- a/src/or/hs_descriptor.c
+++ b/src/or/hs_descriptor.c
@@ -15,6 +15,7 @@
#include "ed25519_cert.h" /* Trunnel interface. */
#include "parsecommon.h"
#include "rendcache.h"
+#include "torcert.h" /* tor_cert_encode_ed22519() */
/* Constant string value used for the descriptor format. */
#define str_hs_desc "hs-descriptor"
@@ -133,46 +134,6 @@ desc_encrypted_data_free_contents(hs_desc_encrypted_data_t *desc)
memwipe(desc, 0, sizeof(*desc));
}
-/* === ENCODING === */
-
-/* Encode the ed25519 certificate <b>cert</b> and put the newly allocated
- * string in <b>cert_str_out</b>. Return 0 on success else a negative value. */
-STATIC int
-encode_cert(const tor_cert_t *cert, char **cert_str_out)
-{
- int ret = -1;
- char *ed_cert_b64 = NULL;
- size_t ed_cert_b64_len;
-
- tor_assert(cert);
- tor_assert(cert_str_out);
-
- /* Get the encoded size and add the NUL byte. */
- ed_cert_b64_len = base64_encode_size(cert->encoded_len,
- BASE64_ENCODE_MULTILINE) + 1;
- ed_cert_b64 = tor_malloc_zero(ed_cert_b64_len);
-
- /* Base64 encode the encoded certificate. */
- if (base64_encode(ed_cert_b64, ed_cert_b64_len,
- (const char *) cert->encoded, cert->encoded_len,
- BASE64_ENCODE_MULTILINE) < 0) {
- log_err(LD_BUG, "Couldn't base64-encode descriptor signing key cert!");
- goto err;
- }
-
- /* Put everything together in a NUL terminated string. */
- tor_asprintf(cert_str_out,
- "-----BEGIN ED25519 CERT-----\n"
- "%s"
- "-----END ED25519 CERT-----",
- ed_cert_b64);
- /* Success! */
- ret = 0;
-
- err:
- tor_free(ed_cert_b64);
- return ret;
-}
/* Encode the given link specifier objects into a newly allocated string.
* This can't fail so caller can always assume a valid string being
@@ -327,7 +288,7 @@ encode_enc_key(const ed25519_keypair_t *sig_key,
if (!cross_cert) {
goto err;
}
- ret = encode_cert(cross_cert, &encoded_cert);
+ ret = tor_cert_encode_ed22519(cross_cert, &encoded_cert);
tor_cert_free(cross_cert);
if (ret) {
goto err;
@@ -375,7 +336,7 @@ encode_intro_point(const ed25519_keypair_t *sig_key,
/* Authentication key encoding. */
{
char *encoded_cert;
- if (encode_cert(ip->auth_key_cert, &encoded_cert) < 0) {
+ if (tor_cert_encode_ed22519(ip->auth_key_cert, &encoded_cert) < 0) {
goto err;
}
smartlist_add_asprintf(lines, "%s\n%s", str_ip_auth_key, encoded_cert);
@@ -769,7 +730,7 @@ desc_encode_v3(const hs_descriptor_t *desc, char **encoded_out)
"(%d)", (int) desc->plaintext_data.signing_key_cert->cert_type);
goto err;
}
- if (encode_cert(desc->plaintext_data.signing_key_cert,
+ if (tor_cert_encode_ed22519(desc->plaintext_data.signing_key_cert,
&encoded_cert) < 0) {
/* The function will print error logs. */
goto err;
diff --git a/src/or/hs_descriptor.h b/src/or/hs_descriptor.h
index 895bed2..083d353 100644
--- a/src/or/hs_descriptor.h
+++ b/src/or/hs_descriptor.h
@@ -216,7 +216,6 @@ size_t hs_desc_plaintext_obj_size(const hs_desc_plaintext_data_t *data);
#ifdef HS_DESCRIPTOR_PRIVATE
/* Encoding. */
-STATIC int encode_cert(const tor_cert_t *cert, char **cert_str_out);
STATIC char *encode_link_specifiers(const smartlist_t *specs);
STATIC size_t build_plaintext_padding(const char *plaintext,
size_t plaintext_len,
diff --git a/src/or/torcert.c b/src/or/torcert.c
index 852def9..8560768 100644
--- a/src/or/torcert.c
+++ b/src/or/torcert.c
@@ -647,3 +647,44 @@ or_handshake_certs_check_both(int severity,
}
}
+/* === ENCODING === */
+
+/* Encode the ed25519 certificate <b>cert</b> and put the newly allocated
+ * string in <b>cert_str_out</b>. Return 0 on success else a negative value. */
+int
+tor_cert_encode_ed22519(const tor_cert_t *cert, char **cert_str_out)
+{
+ int ret = -1;
+ char *ed_cert_b64 = NULL;
+ size_t ed_cert_b64_len;
+
+ tor_assert(cert);
+ tor_assert(cert_str_out);
+
+ /* Get the encoded size and add the NUL byte. */
+ ed_cert_b64_len = base64_encode_size(cert->encoded_len,
+ BASE64_ENCODE_MULTILINE) + 1;
+ ed_cert_b64 = tor_malloc_zero(ed_cert_b64_len);
+
+ /* Base64 encode the encoded certificate. */
+ if (base64_encode(ed_cert_b64, ed_cert_b64_len,
+ (const char *) cert->encoded, cert->encoded_len,
+ BASE64_ENCODE_MULTILINE) < 0) {
+ log_err(LD_BUG, "Couldn't base64-encode ed22519 cert!");
+ goto err;
+ }
+
+ /* Put everything together in a NUL terminated string. */
+ tor_asprintf(cert_str_out,
+ "-----BEGIN ED25519 CERT-----\n"
+ "%s"
+ "-----END ED25519 CERT-----",
+ ed_cert_b64);
+ /* Success! */
+ ret = 0;
+
+ err:
+ tor_free(ed_cert_b64);
+ return ret;
+}
+
diff --git a/src/or/torcert.h b/src/or/torcert.h
index 4bd816f..090f6b5 100644
--- a/src/or/torcert.h
+++ b/src/or/torcert.h
@@ -98,5 +98,7 @@ void or_handshake_certs_check_both(int severity,
const ed25519_public_key_t **ed_id_out,
const common_digests_t **rsa_id_out);
+int tor_cert_encode_ed22519(const tor_cert_t *cert, char **cert_str_out);
+
#endif
diff --git a/src/test/test_hs_descriptor.c b/src/test/test_hs_descriptor.c
index 8af5cab..9749c3b 100644
--- a/src/test/test_hs_descriptor.c
+++ b/src/test/test_hs_descriptor.c
@@ -254,7 +254,7 @@ test_cert_encoding(void *arg)
tt_assert(cert);
/* Test the certificate encoding function. */
- ret = encode_cert(cert, &encoded);
+ ret = tor_cert_encode_ed22519(cert, &encoded);
tt_int_op(ret, ==, 0);
/* Validated the certificate string. */
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