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I'm building a Flutter app that uses Android TV Remote Protocol v2. The app requires client certificates for authentication. When I use a manually created certificate (placed in assets), everything ...
1 vote
0 answers
92 views

For FIPS mode, I added ClientSignatureAlgorithm in opensslcnf.txt. This change was done for FIPS mode using the crypto-policies package. The support ciphers for ClientSignatureAlgorithms are same as ...
0 votes
1 answer
142 views

using (RSA rsa = RSA.Create()) { rsa.ImportFromPem(privateKeyString); byte[] dataToSign = Encoding.UTF8.GetBytes(signData); byte[] signedData = rsa.SignData(dataToSign, HashAlgorithmName....
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0 answers
92 views

I have a web service that returns a Timestamp Token as a base64 string, I have this code in Java using BouncyCastle to parse, open and extract the date: String timestamp = "..."; byte[] ...
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0 answers
68 views

I'm building a Flutter app that needs to send user data (like name and street) to a Node.js backend server. Currently, the data is sent via URL like this: http://192.168.1.126:8080/save?name=toto&...
1 vote
1 answer
108 views

I am using python3-pycryptodome version 3.9.0-150200.9.1 on openSUSE Leap version 15.6. While using Crypto.PublicKey.RSA class, I noticed that generated RSA keys have some algorithmic inconsistency. ...
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101 views

I'm using Java & Spring Boot for an endpoint which sole purpose is to create, sign and issue JWT. The library used for creating JWTs is java-jwt. I have a problem creating a com.auth0.jwt....
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0 answers
76 views

I'm trying to make a server for a password manager I'm building, but the server seems to hang randomly and it seems to randomly throw rsa.pkcs1.DecryptionErrors randomly too. I did recently switch ...
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0 answers
94 views

Here is the class that am using ,based on the flow that I have ,the validation always fails and return false in the line boolean isValid = signature.verify(signatureBytes); LOG.info("Signature ...
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0 answers
131 views

I am doing an OTA updater for an ESP32. I am using AWS Lambda to encrypt a presigned URL that is being generated for a certain element from an S3 bucket. I am first doing an AES encryption, and then ...
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88 views

I am experimenting with developing rsa with flutter and nodejs. public.pem and private.pem are same for both. Both the code are working fine when run in same language. but when transmitting data over ...
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0 answers
119 views

I have a TR34 sample enveloped data from X9 TR34–2012. I am trying to decrypt it, but I am not sure which part of the token contains encrypted ephemeral key and which exact rsa algorithm is used for ...
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0 votes
0 answers
58 views

I'm working with a Thales payShield 10K and trying to use the EU command to translate a public key under new LMK. I currently have the key available in PEM, DER, and HEX formats. However, according to ...
-2 votes
1 answer
113 views

I want to protect a RSA private key stored in localStorage by wrapping it with a key derived from the user's password. However when unwrapping the key the error DOMException: An invalid or illegal ...
1 vote
1 answer
91 views

I would like to add RSA encryption in my server (Python FastAPI) and my Android app. But the encryption didn't work as the way I expected. I already have AES-GCM encryption/decryption working between ...

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