sha1 | name sha1init | Hashing library
kandi X-RAY | sha1 Summary
kandi X-RAY | sha1 Summary
sha1 hash alogrithm
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of sha1
sha1 Key Features
sha1 Examples and Code Snippets
function hashCode524287Shifting32bitSafe(key) {
const str = key.toString();
var hash = 0;
if (str.length == 0) return hash;
for (i = 0; i < str.length; i++) {
hash = (hash << 19) - hash;
hash = hash + str.codePointAt(i);
Community Discussions
Trending Discussions on sha1
QUESTION
I want to calculate Sha1 of any given file in C++ using OpenSSL library.
I have read any article on the internet (including all from stackoverflow too) about doing this for almost 3 days.
Finally I get my program to work but the generated hash of any given file is not as it should be.
My code is someway similar to these found here and here but more easy to read and to use further in my program I write.
Also, I want to use C++ code not C code as they are written in the links above, second, they use:
...ANSWER
Answered 2022-Apr-05 at 14:28You're missing the finishing calculation on your EVP API attempt. The use of an intermediate string is unnecessary as well. Finally, the function should return the digest as a vector of bytes. let the caller do with that what they want.
Examples using both the EVP API and a BIO chain are shown below.
QUESTION
Secret of Time-based One Time Password are usually 16-byte base32 encoded string. e.g. GitHub 2FA.
But for some scenario, it has 26 bytes long. e.g. Tutanota OTP. Often in lower case with whitespaces, like: vev2 qjea un45 3sr4 q4h3 ais4 ci
I tried with the TOTP algorithm implemented in dgryski/dgoogauth and tilaklodha/google-authenticator. Both can handle 16-byte secret well, but got error for 26-byte secret.
e.g. for 16-byte secret VEV2QJEAUN453SR4
:
ANSWER
Answered 2022-Apr-02 at 04:15A base32 encodes every 5 bits of input bytes into base32 character, go base32 use The RFC 4648 Base 32 alphabet (A-Z, 2-7). When decode a string to bytes, each base32 character input will be mapped to a 5 bit index then recompose to bytes.
In your example "VEV2QJEAUN453SR4Q4H3AIS4CI", the previous "VEV2QJEAUN453SR4" was already valid input, it is a 16 char input, and 5 bit * 16 is 80 bit so it can be resolved into 10 bytes output. Now let us just look at the rest "Q4H3AIS4CI", 10 char -> 5 * 10 = 50 bits, the previous 40 bits can be decode to 5 bytes, but the last 2 char "CI" leads 2 bit remainder
QUESTION
From within a docker container (in my case running a Debian Busty based image) how can I detect whether it's running under QEMU emulation (as happens on ARM Macs for AMD64 images)?
From the non-docker perspective I've seen suggestion that cpuinfo
might surface this, but it doesn't yield anything directly QEMU related when run from inside my container:
ANSWER
Answered 2022-Mar-28 at 07:26There are more ways to detect that the container is running under the emulation, however the most reliable way is to use identify if the entry point is emulated.
When a container is created, the entry point will become the PID 1. The mechanism that Docker uses for the qemu
emulation will detect that the entry point is for a different architecture and will involve the emulator to emulate the architecture. You can read more about the mechanism used in this post.
Since the entry point will be emulated, the process name will be replaced with the qemu-xxxx
where the xxxx
is the architecture that will be emulated. We can identify if our entry pint process was substituted for qemu
if we call ps -uax
as in the following example:
QUESTION
My XML file resembles to something like this:
...ANSWER
Answered 2022-Mar-24 at 22:03Simply decoding to the struct and encoding again will satisfy your goal.
Please check this: https://go.dev/play/p/69vjlve4P6p
QUESTION
I'm trying use JKS XML signature in Lucee, but when test my code ocurring the follow error
cannot load class through its string name, because no definition for the class with the specified name [java.security.KeyStore.PasswordProtection] could be found caused by (java.lang.ClassNotFoundException:java.security.KeyStore.PasswordProtection;java.lang.ClassNotFoundException:java.security.KeyStore.PasswordProtection;)
Lucee "createObject" function does not imports java.security.KeyStore.PasswordProtection
My code:
...ANSWER
Answered 2022-Mar-24 at 10:26PasswordProtection
is an inner class of java.security.KeyStore
. To instantiate it in Lucee you need to use a $
, so change
QUESTION
I have two directories. One is the Source one was a Copy of the source that could be changed. I need to compare the two directories to find if there are:
- New files in either directory
- Existing files that have changed in the Copy only.
I created the following and it shows me all that but it flags the changed files from both sides. Giving me two results for the same file. I want to filter already compared files so that only one instance shows.
Here is what I have
...ANSWER
Answered 2022-Mar-06 at 02:57This is how I would do it, it's more code than what you already have but I believe should do what you're looking for.
The firsts steps are mainly the same, gather all SHA1 hashes from both folders and construct a list of objects.
Then, on the first loop over the "difference folder" (this would be the Copy folder), filter by Unique files based on it's hashes compared to the reference folder and files where the Name of the file exists in the reference folder but it's hash has changed (this would meet the condition 2 of your question).
Lastly, the second loop over the "reference folder" to get the unique files of this collection based on the file hashes.
The $result
collection would be an array of objects with a newly added property Status
to help identify if the file has changed or if it's unique.
QUESTION
I've made a little test for my project today - The goal: Implement .jar
files into a C#
project as a .dll
. My current .java
/ .jar
file looks like the following.
ANSWER
Answered 2022-Mar-03 at 15:48First of all, you are using a class as a namespace, and that is probably not correct. Your method call should probably look something like this:
QUESTION
Python's click module have choice-options, when the input is invalid:
...ANSWER
Answered 2022-Mar-03 at 12:31By making MAIN
a multi sub:
QUESTION
I've upgraded one of our web applications from .NET Framework 4.6 to 4.8. Somewhere deep inside the code an XML string gets signed and this signed XML is sent back to the client which will verify the signature. The XML signing uses the SignedXml
class.
Due to its legacy nature, SHA1 is still used (bear with me!). To not break this behavior when upgrading the .NET Framework, I had to set the following AppContext switches before actually signing the XML:
...ANSWER
Answered 2022-Mar-02 at 15:33Finally I found a solution that worked for me. There are two major points:
1. Add CSP to already existing certificateSwissSign provided us with the certificates for our staging environment (pem
and key
file) and we created the p12
file on our own.
By specifying the OpenSSL parameter CSP
when creating the p12
file, the correct CSP can be set. A command might looks like:
openssl pkcs12 -export -out Output.p12 -inkey My.key -in My.chain.pem -name My -CSP "Microsoft Enhanced RSA and AES Cryptographic Provider"
In case you only have the p12
file, you have to convert it from PKCS10 into PEM format before by calling:
openssl pkcs12 -in my.p12 -out my.pem
As mentioned earlier, the following AppContext switches have to be set:
QUESTION
we are currently working with a cloud product that uses JSCH internally to connect to external sftp sources. Im investigating an connection reset exception that we are getting when trying to connect to azure sftp.
Using wireshark i determined that the problem occurs after we send the Client: Key Exchange Init. Establishing the same connection with filezilla we dont have this issue.
comparing the packages from jsch and filezilla i didn't see an obivious issue, but im not an expert on the ssh protocol. im gonna post both requests below if somebody could give me any pointers it would be greatly appreciated.
Request with JSCH (not working)
Request with Filezilla (working)
Response with Filezilla (working)
See below for the log output:
...ANSWER
Answered 2022-Feb-03 at 08:09i wanted to post a quick update for anybody that is having the same issue, i opened a similiar question on the microsoft q&a site and looks like it's an issue on the azure side that they are working on fixing for GA Microsoft Q&A
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