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Merge pull request #88 from matrix-org/manuroe/sas_pksigning

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OLMKit: add Short Authentication String verification
This commit is contained in:
Hubert Chathi 2019-04-12 19:04:09 -04:00 committed by GitHub
commit b12fe0aeb3
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GPG key ID: 4AEE18F83AFDEB23
11 changed files with 555 additions and 10 deletions
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2
include/olm/sas.h
View file

@ -93,7 +93,7 @@ size_t olm_sas_get_pubkey(
*
* @param[in] sas the SAS object.
* @param[in] their_key the other user's public key.
* @param[in] their_key_size the size of the `their_key` buffer.
* @param[in] their_key_length the size of the `their_key` buffer.
*
* @return `olm_error()` on failure. If the `their_key` buffer is too small,
* then `olm_sas_last_error()` will be `INPUT_BUFFER_TOO_SMALL`.

4
xcode/OLMKit.xcodeproj/project.pbxproj
View file

@ -12,6 +12,7 @@
3274F6071D9A633A005282E4 /* OLMKitTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 3274F6061D9A633A005282E4 /* OLMKitTests.m */; };
3274F6131D9A698E005282E4 /* OLMKit.h in Headers */ = {isa = PBXBuildFile; fileRef = 3274F6121D9A698E005282E4 /* OLMKit.h */; };
32A151311DABDD4300400192 /* OLMKitGroupTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 32A151301DABDD4300400192 /* OLMKitGroupTests.m */; };
32F143AF2236B4100077CF37 /* OLMKitSASTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 32F143AE2236B4100077CF37 /* OLMKitSASTests.m */; };
7DBAD311AEA85CF6DB80DCFA /* libPods-OLMKitTests.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 7123FABE917D0FB140E036B7 /* libPods-OLMKitTests.a */; };
D667051A0BA47E17CCC4E5D7 /* libPods-OLMKit.a in Frameworks */ = {isa = PBXBuildFile; fileRef = F2F22FE8F173AF845B882805 /* libPods-OLMKit.a */; };
/* End PBXBuildFile section */
@ -36,6 +37,7 @@
3274F6081D9A633A005282E4 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
3274F6121D9A698E005282E4 /* OLMKit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = OLMKit.h; sourceTree = "<group>"; };
32A151301DABDD4300400192 /* OLMKitGroupTests.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = OLMKitGroupTests.m; sourceTree = "<group>"; };
32F143AE2236B4100077CF37 /* OLMKitSASTests.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = OLMKitSASTests.m; sourceTree = "<group>"; };
7123FABE917D0FB140E036B7 /* libPods-OLMKitTests.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-OLMKitTests.a"; sourceTree = BUILT_PRODUCTS_DIR; };
875BA7A520258EA15A31DD82 /* Pods-OLMKitTests.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-OLMKitTests.debug.xcconfig"; path = "Pods/Target Support Files/Pods-OLMKitTests/Pods-OLMKitTests.debug.xcconfig"; sourceTree = "<group>"; };
D48E486DAE1F59F4F7EA8C25 /* Pods-OLMKitTests.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-OLMKitTests.release.xcconfig"; path = "Pods/Target Support Files/Pods-OLMKitTests/Pods-OLMKitTests.release.xcconfig"; sourceTree = "<group>"; };
@ -107,6 +109,7 @@
3274F6051D9A633A005282E4 /* OLMKitTests */ = {
isa = PBXGroup;
children = (
32F143AE2236B4100077CF37 /* OLMKitSASTests.m */,
3244277C2175EF700023EDF1 /* OLMKitPkTests.m */,
3274F6061D9A633A005282E4 /* OLMKitTests.m */,
32A151301DABDD4300400192 /* OLMKitGroupTests.m */,
@ -282,6 +285,7 @@
buildActionMask = 2147483647;
files = (
3274F6071D9A633A005282E4 /* OLMKitTests.m in Sources */,
32F143AF2236B4100077CF37 /* OLMKitSASTests.m in Sources */,
3244277D2175EF700023EDF1 /* OLMKitPkTests.m in Sources */,
32A151311DABDD4300400192 /* OLMKitGroupTests.m in Sources */,
);

2
xcode/OLMKit/OLMKit.h
View file

@ -28,6 +28,8 @@
#import <OLMKit/OLMOutboundGroupSession.h>
#import <OLMKit/OLMPkEncryption.h>
#import <OLMKit/OLMPkDecryption.h>
#import <OLMKit/OLMPkSigning.h>
#import <OLMKit/OLMSAS.h>
@interface OLMKit : NSObject

4
xcode/OLMKit/OLMPkEncryption.m
View file

@ -65,13 +65,13 @@
size_t macLength = olm_pk_mac_length(session);
NSMutableData *macData = [NSMutableData dataWithLength:macLength];
if (!ciphertext) {
if (!macData) {
return nil;
}
size_t ephemeralKeyLength = olm_pk_key_length();
NSMutableData *ephemeralKeyData = [NSMutableData dataWithLength:ephemeralKeyLength];
if (!ciphertext) {
if (!ephemeralKeyData) {
return nil;
}

49
xcode/OLMKit/OLMPkSigning.h Normal file
View file

@ -0,0 +1,49 @@
/*
Copyright 2019 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
@interface OLMPkSigning : NSObject
/**
Initialise the signing object with a public/private keypair from a seed.
@param seed the seed.
@param error the error if any.
@return the public key
*/
- (NSString *)doInitWithSeed:(NSData*)seed error:(NSError* _Nullable *)error;
/**
Sign a message.
@param message the message to sign.
@param error the error if any.
@return the signature.
*/
- (NSString *)sign:(NSString*)message error:(NSError* _Nullable *)error;
/**
Generate a seed.
@return the generated seed.
*/
+ (NSData *)generateSeed;
@end
NS_ASSUME_NONNULL_END

125
xcode/OLMKit/OLMPkSigning.m Normal file
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@ -0,0 +1,125 @@
/*
Copyright 2019 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import "OLMPkSigning.h"
#include "olm/olm.h"
#include "olm/pk.h"
#include "OLMUtility.h"
@interface OLMPkSigning ()
{
OlmPkSigning *sign;
}
@end
@implementation OLMPkSigning
- (void)dealloc {
olm_clear_pk_signing(sign);
free(sign);
}
- (instancetype)init {
self = [super init];
if (self) {
sign = (OlmPkSigning *)malloc(olm_pk_signing_size());
olm_pk_signing(sign);
}
return self;
}
- (NSString *)doInitWithSeed:(NSData *)seed error:(NSError *__autoreleasing _Nullable *)error {
size_t publicKeyLength = olm_pk_signing_public_key_length();
NSMutableData *publicKeyData = [NSMutableData dataWithLength:publicKeyLength];
if (!publicKeyData) {
return nil;
}
NSMutableData *mutableSeed = [NSMutableData dataWithData:seed];
size_t result = olm_pk_signing_key_from_seed(sign,
publicKeyData.mutableBytes, publicKeyLength,
mutableSeed.mutableBytes, mutableSeed.length);
if (result == olm_error()) {
const char *olm_error = olm_pk_signing_last_error(sign);
NSString *errorString = [NSString stringWithUTF8String:olm_error];
NSLog(@"[OLMPkSigning] doInitWithSeed: olm_pk_signing_key_from_seed error: %@", errorString);
if (error && olm_error && errorString) {
*error = [NSError errorWithDomain:OLMErrorDomain
code:0
userInfo:@{
NSLocalizedDescriptionKey: errorString,
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_pk_signing_key_from_seed error: %@", errorString]
}];
}
return nil;
}
[mutableSeed resetBytesInRange:NSMakeRange(0, mutableSeed.length)];
NSString *publicKey = [[NSString alloc] initWithData:publicKeyData encoding:NSUTF8StringEncoding];
return publicKey;
}
- (NSString *)sign:(NSString *)message error:(NSError *__autoreleasing _Nullable *)error {
NSData *messageData = [message dataUsingEncoding:NSUTF8StringEncoding];
size_t signatureLength = olm_pk_signature_length();
NSMutableData *signatureData = [NSMutableData dataWithLength:signatureLength];
if (!signatureData) {
return nil;
}
size_t result = olm_pk_sign(sign,
messageData.bytes, messageData.length,
signatureData.mutableBytes, signatureLength);
if (result == olm_error()) {
const char *olm_error = olm_pk_signing_last_error(sign);
NSString *errorString = [NSString stringWithUTF8String:olm_error];
NSLog(@"[OLMPkSigning] sign: olm_pk_sign error: %@", errorString);
if (error && olm_error && errorString) {
*error = [NSError errorWithDomain:OLMErrorDomain
code:0
userInfo:@{
NSLocalizedDescriptionKey: errorString,
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_pk_sign error: %@", errorString]
}];
}
return nil;
}
NSString *signature = [[NSString alloc] initWithData:signatureData encoding:NSUTF8StringEncoding];
return signature;
}
+ (NSData *)generateSeed {
size_t seedLength = olm_pk_signing_seed_length();
NSMutableData *seed = [OLMUtility randomBytesOfLength:seedLength];
if (!seed) {
return nil;
}
return seed;
}
@end

70
xcode/OLMKit/OLMSAS.h Normal file
View file

@ -0,0 +1,70 @@
/*
Copyright 2019 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN
/**
Short Authentication String verification utility class.
*/
@interface OLMSAS : NSObject
/**
Get the public key of the SAS object.
*/
- (NSString * _Nullable)publicKey;
/**
Set the public key of other user.
@param theirPublicKey the other user's public key.
@return error the error if any.
*/
- (NSError* _Nullable)setTheirPublicKey:(NSString*)theirPublicKey;
/**
Generate bytes to use for the short authentication string.
@param info extra information to mix in when generating the bytes, as per the Matrix spec.
@param length the size of the output buffer. For hex-based SAS as in the Matrix spec, this will be 5.
@return generated bytes
*/
- (NSData *)generateBytes:(NSString*)info length:(NSUInteger)length;
/**
Generate a message authentication code (MAC) based on the shared secret.
@param input the message to produce the authentication code for.
@param info extra information to mix in when generating the MAC, as per the Matrix spec.
@param error the error if any.
@return the MAC.
*/
- (NSString *)calculateMac:(NSString*)input info:(NSString*)info error:(NSError* _Nullable *)error;
/**
Generate a message authentication code (MAC) based on the shared secret.
For compatibility with an old version of olm.js.
@param input the message to produce the authentication code for.
@param info extra information to mix in when generating the MAC, as per the Matrix spec.
@param error the error if any.
@return the MAC.
*/
- (NSString *)calculateMacLongKdf:(NSString*)input info:(NSString*)info error:(NSError* _Nullable *)error;
@end
NS_ASSUME_NONNULL_END

174
xcode/OLMKit/OLMSAS.m Normal file
View file

@ -0,0 +1,174 @@
/*
Copyright 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import "OLMSAS.h"
#include "olm/olm.h"
#include "olm/sas.h"
#include "OLMUtility.h"
@interface OLMSAS () {
void *olmSASbuffer;
OlmSAS *olmSAS;
}
@end
@implementation OLMSAS
- (void)dealloc {
olm_clear_sas(olmSAS);
free(olmSASbuffer);
}
- (instancetype)init {
self = [super init];
if (self) {
olmSASbuffer = malloc(olm_sas_size());
olmSAS = olm_sas(olmSASbuffer);
size_t randomLength = olm_create_sas_random_length(olmSAS);
NSMutableData *random = [OLMUtility randomBytesOfLength:randomLength];
if (!random) {
return nil;
}
olm_create_sas(olmSAS, random.mutableBytes, randomLength);
[random resetBytesInRange:NSMakeRange(0, randomLength)];
}
return self;
}
- (NSString * _Nullable)publicKey {
size_t publicKeyLength = olm_sas_pubkey_length(olmSAS);
NSMutableData *publicKeyData = [NSMutableData dataWithLength:publicKeyLength];
if (!publicKeyData) {
return nil;
}
size_t result = olm_sas_get_pubkey(olmSAS, publicKeyData.mutableBytes, publicKeyLength);
if (result == olm_error()) {
const char *olm_error = olm_sas_last_error(olmSAS);
NSLog(@"[OLMSAS] publicKey: olm_sas_get_pubkey error: %s", olm_error);
return nil;
}
NSString *publicKey = [[NSString alloc] initWithData:publicKeyData encoding:NSUTF8StringEncoding];
return publicKey;
}
- (NSError * _Nullable)setTheirPublicKey:(NSString*)theirPublicKey {
NSMutableData *theirPublicKeyData = [theirPublicKey dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
size_t result = olm_sas_set_their_key(olmSAS, theirPublicKeyData.mutableBytes, theirPublicKeyData.length);
if (result == olm_error()) {
const char *olm_error = olm_sas_last_error(olmSAS);
NSLog(@"[OLMSAS] setTheirPublicKey: olm_sas_set_their_key error: %s", olm_error);
NSString *errorString = [NSString stringWithUTF8String:olm_error];
if (olm_error && errorString) {
return [NSError errorWithDomain:OLMErrorDomain
code:0
userInfo:@{
NSLocalizedDescriptionKey: errorString,
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_sas_set_their_key error: %@", errorString]
}];
}
}
return nil;
}
- (NSData *)generateBytes:(NSString *)info length:(NSUInteger)length {
NSData *infoData = [info dataUsingEncoding:NSUTF8StringEncoding];
NSMutableData *bytes = [NSMutableData dataWithLength:length];
if (!bytes) {
return nil;
}
olm_sas_generate_bytes(olmSAS, infoData.bytes, infoData.length, bytes.mutableBytes, length);
return bytes;
}
- (NSString *)calculateMac:(NSString *)input info:(NSString *)info error:(NSError *__autoreleasing _Nullable *)error {
NSMutableData *inputData = [input dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
NSData *infoData = [info dataUsingEncoding:NSUTF8StringEncoding];
size_t macLength = olm_sas_mac_length(olmSAS);
NSMutableData *macData = [NSMutableData dataWithLength:macLength];
if (!macData) {
return nil;
}
size_t result = olm_sas_calculate_mac(olmSAS,
inputData.mutableBytes, inputData.length,
infoData.bytes, infoData.length,
macData.mutableBytes, macLength);
if (result == olm_error()) {
const char *olm_error = olm_sas_last_error(olmSAS);
NSLog(@"[OLMSAS] calculateMac: olm_sas_calculate_mac error: %s", olm_error);
NSString *errorString = [NSString stringWithUTF8String:olm_error];
if (error && olm_error && errorString) {
*error = [NSError errorWithDomain:OLMErrorDomain
code:0
userInfo:@{
NSLocalizedDescriptionKey: errorString,
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_sas_calculate_mac error: %@", errorString]
}];
}
return nil;
}
NSString *mac = [[NSString alloc] initWithData:macData encoding:NSUTF8StringEncoding];
return mac;
}
- (NSString *)calculateMacLongKdf:(NSString *)input info:(NSString *)info error:(NSError *__autoreleasing _Nullable *)error {
NSMutableData *inputData = [input dataUsingEncoding:NSUTF8StringEncoding].mutableCopy;
NSData *infoData = [info dataUsingEncoding:NSUTF8StringEncoding];
size_t macLength = olm_sas_mac_length(olmSAS);
NSMutableData *macData = [NSMutableData dataWithLength:macLength];
if (!macData) {
return nil;
}
size_t result = olm_sas_calculate_mac_long_kdf(olmSAS,
inputData.mutableBytes, inputData.length,
infoData.bytes, infoData.length,
macData.mutableBytes, macLength);
if (result == olm_error()) {
const char *olm_error = olm_sas_last_error(olmSAS);
NSLog(@"[OLMSAS] calculateMacLongKdf: olm_sas_calculate_mac error: %s", olm_error);
NSString *errorString = [NSString stringWithUTF8String:olm_error];
if (error && olm_error && errorString) {
*error = [NSError errorWithDomain:OLMErrorDomain
code:0
userInfo:@{
NSLocalizedDescriptionKey: errorString,
NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:@"olm_sas_calculate_mac_long_kdf error: %@", errorString]
}];
}
return nil;
}
NSString *mac = [[NSString alloc] initWithData:macData encoding:NSUTF8StringEncoding];
return mac;
}
@end

35
xcode/OLMKitTests/OLMKitPkTests.m
View file

@ -104,4 +104,39 @@
XCTAssertEqualObjects(decrypted, TEST_TEXT);
}
- (void)testSignAndVerify {
UInt8 seedBytes[] = {
0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
};
NSData *seed = [NSData dataWithBytes:seedBytes length:sizeof(seedBytes)];
NSString *TEST_TEXT = @"We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.";
OLMPkSigning *signing = [OLMPkSigning new];
NSError *error;
NSString *pubKey = [signing doInitWithSeed:seed error:&error];
XCTAssertNotNil(pubKey);
XCTAssertNil(error);
NSString *sig = [signing sign:TEST_TEXT error:&error];
XCTAssertNotNil(sig);
XCTAssertNil(error);
OLMUtility *util = [OLMUtility new];
BOOL verify = [util verifyEd25519Signature:sig key:pubKey message:[TEST_TEXT dataUsingEncoding:NSUTF8StringEncoding] error:&error];
XCTAssertTrue(verify);
XCTAssertNil(error);
NSString *badSig = [sig stringByReplacingCharactersInRange:NSMakeRange(0, 1) withString:@"p"];
verify = [util verifyEd25519Signature:badSig key:pubKey message:[TEST_TEXT dataUsingEncoding:NSUTF8StringEncoding] error:&error];
XCTAssertFalse(verify);
XCTAssertNotNil(error);
}
@end

86
xcode/OLMKitTests/OLMKitSASTests.m Normal file
View file

@ -0,0 +1,86 @@
/*
Copyright 2019 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import <XCTest/XCTest.h>
#import <OLMKit/OLMKit.h>
@interface OLMKitSASTests : XCTestCase {
OLMSAS *alice;
OLMSAS *bob;
}
@end
@implementation OLMKitSASTests
- (void)setUp {
alice = [OLMSAS new];
bob = [OLMSAS new];
}
- (void)tearDown {
alice = nil;
bob = nil;
}
- (void)testSASRandomness
{
XCTAssertNotEqualObjects(alice.publicKey, bob.publicKey);
}
- (void)testSASBytesMatch {
[alice setTheirPublicKey:bob.publicKey];
[bob setTheirPublicKey:alice.publicKey];
NSString *sas = @"SAS";
NSUInteger length = 5;
XCTAssertEqualObjects([alice generateBytes:sas length:length],
[bob generateBytes:sas length:length]);
}
- (void)testMACsMatch {
[alice setTheirPublicKey:bob.publicKey];
[bob setTheirPublicKey:alice.publicKey];
NSString *string = @"test";
NSString *info = @"MAC";
NSError *aliceError, *bobError;
XCTAssertEqualObjects([alice calculateMac:string info:info error:&aliceError],
[bob calculateMac:string info:info error:&bobError]);
XCTAssertNil(aliceError);
XCTAssertNil(bobError);
}
- (void)testMACLongKdfsMatch {
[alice setTheirPublicKey:bob.publicKey];
[bob setTheirPublicKey:alice.publicKey];
NSString *string = @"test";
NSString *info = @"MAC";
NSError *aliceError, *bobError;
XCTAssertEqualObjects([alice calculateMacLongKdf:string info:info error:&aliceError],
[bob calculateMacLongKdf:string info:info error:&bobError]);
XCTAssertNotEqualObjects([alice calculateMacLongKdf:string info:info error:&aliceError],
[bob calculateMac:string info:info error:&bobError]);
XCTAssertNil(aliceError);
XCTAssertNil(bobError);
}
@end

14
xcode/Podfile.lock
View file

@ -1,9 +1,9 @@
PODS:
- OLMKit (2.3.0):
- OLMKit/olmc (= 2.3.0)
- OLMKit/olmcpp (= 2.3.0)
- OLMKit/olmc (2.3.0)
- OLMKit/olmcpp (2.3.0)
- OLMKit (3.0.0):
- OLMKit/olmc (= 3.0.0)
- OLMKit/olmcpp (= 3.0.0)
- OLMKit/olmc (3.0.0)
- OLMKit/olmcpp (3.0.0)
DEPENDENCIES:
- OLMKit (from `../OLMKit.podspec`)
@ -13,8 +13,8 @@ EXTERNAL SOURCES:
:path: "../OLMKit.podspec"
SPEC CHECKSUMS:
OLMKit: 6af55a19917c35f86df5198c213979ecdf8ba76e
OLMKit: 88eda69110489f817d59bcb4353b7c247570aa4f
PODFILE CHECKSUM: 4e261dae61d833ec5585ced2473023b98909fd35
COCOAPODS: 1.6.0.beta.2
COCOAPODS: 1.6.0