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Move crypto-vala to shared library

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This commit is contained in:
Marvin W 2021-05-14 19:26:05 +02:00
parent bec73ed371
commit 6399892bf2
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GPG key ID: 072E9235DB996F2A
12 changed files with 164 additions and 155 deletions
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1
CMakeLists.txt
View file

@ -203,6 +203,7 @@ add_subdirectory(qlite)
add_subdirectory(xmpp-vala)
add_subdirectory(libdino)
add_subdirectory(main)
add_subdirectory(crypto-vala)
add_subdirectory(plugins)
# uninstall target

41
crypto-vala/CMakeLists.txt Normal file
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@ -0,0 +1,41 @@
find_package(GCrypt REQUIRED)
find_package(Srtp2 REQUIRED)
find_packages(CRYPTO_VALA_PACKAGES REQUIRED
GLib
GObject
GIO
)
vala_precompile(CRYPTO_VALA_C
SOURCES
"src/cipher.vala"
"src/cipher_converter.vala"
"src/error.vala"
"src/random.vala"
"src/srtp.vala"
CUSTOM_VAPIS
"${CMAKE_CURRENT_SOURCE_DIR}/vapi/gcrypt.vapi"
"${CMAKE_CURRENT_SOURCE_DIR}/vapi/libsrtp2.vapi"
PACKAGES
${CRYPTO_VALA_PACKAGES}
GENERATE_VAPI
crypto-vala
GENERATE_HEADER
crypto-vala
)
add_custom_target(crypto-vala-vapi
DEPENDS
${CMAKE_BINARY_DIR}/exports/crypto-vala.vapi
${CMAKE_BINARY_DIR}/exports/crypto-vala.deps
)
add_definitions(${VALA_CFLAGS} -DG_LOG_DOMAIN="crypto-vala")
add_library(crypto-vala SHARED ${CRYPTO_VALA_C})
add_dependencies(crypto-vala crypto-vala-vapi)
target_link_libraries(crypto-vala ${CRYPTO_VALA_PACKAGES} gcrypt libsrtp2)
set_target_properties(crypto-vala PROPERTIES VERSION 0.0 SOVERSION 0)
install(TARGETS crypto-vala ${TARGET_INSTALL})
install(FILES ${CMAKE_BINARY_DIR}/exports/crypto-vala.vapi ${CMAKE_BINARY_DIR}/exports/crypto-vala.deps DESTINATION ${VAPI_INSTALL_DIR})
install(FILES ${CMAKE_BINARY_DIR}/exports/crypto-vala.h DESTINATION ${INCLUDE_INSTALL_DIR})

0
plugins/crypto-vala/src/cipher.vala → crypto-vala/src/cipher.vala
View file

0
plugins/crypto-vala/src/cipher_converter.vala → crypto-vala/src/cipher_converter.vala
View file

0
plugins/crypto-vala/src/error.vala → crypto-vala/src/error.vala
View file

0
plugins/crypto-vala/src/random.vala → crypto-vala/src/random.vala
View file

122
crypto-vala/src/srtp.vala Normal file
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@ -0,0 +1,122 @@
using Srtp;
namespace Crypto.Srtp {
public const string AES_CM_128_HMAC_SHA1_80 = "AES_CM_128_HMAC_SHA1_80";
public const string AES_CM_128_HMAC_SHA1_32 = "AES_CM_128_HMAC_SHA1_32";
public const string F8_128_HMAC_SHA1_80 = "F8_128_HMAC_SHA1_80";
public class Session {
public bool has_encrypt { get; private set; default = false; }
public bool has_decrypt { get; private set; default = false; }
private Context encrypt_context;
private Context decrypt_context;
static construct {
init();
install_log_handler(log);
}
private static void log(LogLevel level, string msg) {
print(@"SRTP[$level]: $msg\n");
}
public Session() {
Context.create(out encrypt_context, null);
Context.create(out decrypt_context, null);
}
public uint8[] encrypt_rtp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length + MAX_TRAILER_LEN];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = encrypt_context.protect(buf, ref buf_use);
if (res != ErrorStatus.ok) {
throw new Error.UNKNOWN(@"SRTP encrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
public uint8[] decrypt_rtp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = decrypt_context.unprotect(buf, ref buf_use);
switch (res) {
case ErrorStatus.auth_fail:
throw new Error.AUTHENTICATION_FAILED("SRTP packet failed the message authentication check");
case ErrorStatus.ok:
break;
default:
throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
public uint8[] encrypt_rtcp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length + MAX_TRAILER_LEN + 4];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = encrypt_context.protect_rtcp(buf, ref buf_use);
if (res != ErrorStatus.ok) {
throw new Error.UNKNOWN(@"SRTCP encrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
public uint8[] decrypt_rtcp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = decrypt_context.unprotect_rtcp(buf, ref buf_use);
switch (res) {
case ErrorStatus.auth_fail:
throw new Error.AUTHENTICATION_FAILED("SRTCP packet failed the message authentication check");
case ErrorStatus.ok:
break;
default:
throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
private Policy create_policy(string profile) {
Policy policy = Policy();
switch (profile) {
case AES_CM_128_HMAC_SHA1_80:
policy.rtp.set_aes_cm_128_hmac_sha1_80();
policy.rtcp.set_aes_cm_128_hmac_sha1_80();
break;
}
return policy;
}
public void set_encryption_key(string profile, uint8[] key, uint8[] salt) {
Policy policy = create_policy(profile);
policy.ssrc.type = SsrcType.any_outbound;
policy.key = new uint8[key.length + salt.length];
Memory.copy(policy.key, key, key.length);
Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
encrypt_context.add_stream(ref policy);
has_encrypt = true;
}
public void set_decryption_key(string profile, uint8[] key, uint8[] salt) {
Policy policy = create_policy(profile);
policy.ssrc.type = SsrcType.any_inbound;
policy.key = new uint8[key.length + salt.length];
Memory.copy(policy.key, key, key.length);
Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
decrypt_context.add_stream(ref policy);
has_decrypt = true;
}
}
}

0
plugins/crypto-vala/vapi/gcrypt.vapi → crypto-vala/vapi/gcrypt.vapi
View file

0
plugins/crypto-vala/vapi/libsrtp2.vapi → crypto-vala/vapi/libsrtp2.vapi
View file

1
plugins/CMakeLists.txt
View file

@ -16,7 +16,6 @@ if(DINO_PLUGIN_ENABLED_openpgp)
endif(DINO_PLUGIN_ENABLED_openpgp)
if(DINO_PLUGIN_ENABLED_omemo)
add_subdirectory(crypto-vala)
add_subdirectory(omemo)
add_subdirectory(signal-protocol)
endif(DINO_PLUGIN_ENABLED_omemo)

32
plugins/crypto-vala/CMakeLists.txt
View file

@ -1,32 +0,0 @@
find_package(GCrypt REQUIRED)
find_package(Srtp2 REQUIRED)
find_packages(CRYPTO_VALA_PACKAGES REQUIRED
GLib
GObject
GIO
)
vala_precompile(CRYPTO_VALA_C
SOURCES
"src/cipher.vala"
"src/cipher_converter.vala"
"src/error.vala"
"src/random.vala"
"src/srtp.vala"
CUSTOM_VAPIS
"${CMAKE_CURRENT_SOURCE_DIR}/vapi/gcrypt.vapi"
"${CMAKE_CURRENT_SOURCE_DIR}/vapi/libsrtp2.vapi"
PACKAGES
${CRYPTO_VALA_PACKAGES}
GENERATE_VAPI
crypto-vala
GENERATE_HEADER
crypto-vala
)
set(CFLAGS ${VALA_CFLAGS})
add_definitions(${CFLAGS})
add_library(crypto-vala STATIC ${CRYPTO_VALA_C})
target_link_libraries(crypto-vala ${CRYPTO_VALA_PACKAGES} gcrypt libsrtp2)
set_property(TARGET crypto-vala PROPERTY POSITION_INDEPENDENT_CODE ON)

122
plugins/crypto-vala/src/srtp.vala
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@ -1,122 +0,0 @@
using Srtp;
public class Crypto.Srtp {
public const string AES_CM_128_HMAC_SHA1_80 = "AES_CM_128_HMAC_SHA1_80";
public const string AES_CM_128_HMAC_SHA1_32 = "AES_CM_128_HMAC_SHA1_32";
public const string F8_128_HMAC_SHA1_80 = "F8_128_HMAC_SHA1_80";
public class Session {
public bool has_encrypt { get; private set; default = false; }
public bool has_decrypt { get; private set; default = false; }
private Context encrypt_context;
private Context decrypt_context;
static construct {
init();
install_log_handler(log);
}
private static void log(LogLevel level, string msg) {
print(@"SRTP[$level]: $msg\n");
}
public Session() {
Context.create(out encrypt_context, null);
Context.create(out decrypt_context, null);
}
public uint8[] encrypt_rtp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length + MAX_TRAILER_LEN];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = encrypt_context.protect(buf, ref buf_use);
if (res != ErrorStatus.ok) {
throw new Error.UNKNOWN(@"SRTP encrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
public uint8[] decrypt_rtp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = decrypt_context.unprotect(buf, ref buf_use);
switch (res) {
case ErrorStatus.auth_fail:
throw new Error.AUTHENTICATION_FAILED("SRTP packet failed the message authentication check");
case ErrorStatus.ok:
break;
default:
throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
public uint8[] encrypt_rtcp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length + MAX_TRAILER_LEN + 4];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = encrypt_context.protect_rtcp(buf, ref buf_use);
if (res != ErrorStatus.ok) {
throw new Error.UNKNOWN(@"SRTCP encrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
public uint8[] decrypt_rtcp(uint8[] data) throws Error {
uint8[] buf = new uint8[data.length];
Memory.copy(buf, data, data.length);
int buf_use = data.length;
ErrorStatus res = decrypt_context.unprotect_rtcp(buf, ref buf_use);
switch (res) {
case ErrorStatus.auth_fail:
throw new Error.AUTHENTICATION_FAILED("SRTCP packet failed the message authentication check");
case ErrorStatus.ok:
break;
default:
throw new Error.UNKNOWN(@"SRTP decrypt failed: $res");
}
uint8[] ret = new uint8[buf_use];
GLib.Memory.copy(ret, buf, buf_use);
return ret;
}
private Policy create_policy(string profile) {
Policy policy = Policy();
switch (profile) {
case AES_CM_128_HMAC_SHA1_80:
policy.rtp.set_aes_cm_128_hmac_sha1_80();
policy.rtcp.set_aes_cm_128_hmac_sha1_80();
break;
}
return policy;
}
public void set_encryption_key(string profile, uint8[] key, uint8[] salt) {
Policy policy = create_policy(profile);
policy.ssrc.type = SsrcType.any_outbound;
policy.key = new uint8[key.length + salt.length];
Memory.copy(policy.key, key, key.length);
Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
encrypt_context.add_stream(ref policy);
has_encrypt = true;
}
public void set_decryption_key(string profile, uint8[] key, uint8[] salt) {
Policy policy = create_policy(profile);
policy.ssrc.type = SsrcType.any_inbound;
policy.key = new uint8[key.length + salt.length];
Memory.copy(policy.key, key, key.length);
Memory.copy(((uint8*)policy.key) + key.length, salt, salt.length);
decrypt_context.add_stream(ref policy);
has_decrypt = true;
}
}
}