195 matches found
purrcrypt
🐱 PurrCrypt 🐶 毛茸茸的安全，爪爪的可爱！ 将你的秘密 喵 安全地保存起来，直接从你的电脑 喵 向你的 爪 友传递，简直 喵 翻了！ !IMPORTANT PurrCrypt 是披着可爱外衣的真正密码学！你的消息受到与比特币相同的椭圆曲线算法保护，只不过包裹在可爱的猫狗叫声中。可爱绝不应牺牲安全！ 这个毛茸茸的东西是什么？🐾 PurrCrypt 是一个极度认真的密码学家连续 48 小时沉迷猫片后的产物！它是一个超强加密工具，用最可爱的方式隐藏你的秘密——将其转化为猫猫和狗狗的语言！ 在毛茸茸的外表下，PurrCrypt...
ECC_Attacks
椭圆曲线密码学的已知攻击 介绍 椭圆曲线简介 密码学中的椭圆曲线 ECC 攻击 ECDH 攻击 生成元的阶太小 生成元的阶是光滑数 生成元的阶几乎是光滑数，且私钥很小 不验证点是否在曲线上 曲线是奇异曲线 曲线是超奇异曲线 曲线是异常曲线 ECDSA 攻击 签名前不对消息进行哈希 在不同签名中重用相同的 k 值 不安全地生成 k 值 不验证生成元是否有效 结论 ECDH 攻击概述 ECDSA 攻击概述 防御这些攻击 参考资料 介绍 近年来，椭圆曲线密码学方法因其高效性和强安全性而变得流行。本文旨在以比当前互联网上已有的资料更清晰的方式介绍这一主题。...
SUSE CVE-2026-64313
In the Linux kernel, the following vulnerability has been resolved: crypto: ecc - Fix carry overflow in vli multiplication The carry flag calculation fails when r01.mhigh is saturated 0xFFFFFFFFFFFFFFFF and addition of lower bits overflows. The condition r01.mhigh product.mhigh doesn't handle the...
CVE-2026-64313
In the Linux kernel, the following vulnerability has been resolved: crypto: ecc - Fix carry overflow in vli multiplication The carry flag calculation fails when r01.mhigh is saturated 0xFFFFFFFFFFFFFFFF and addition of lower bits overflows. The condition r01.mhigh product.mhigh doesn't handle the...
CVE-2026-64313 crypto: ecc - Fix carry overflow in vli multiplication
In the Linux kernel, the following vulnerability has been resolved: crypto: ecc - Fix carry overflow in vli multiplication The carry flag calculation fails when r01.mhigh is saturated 0xFFFFFFFFFFFFFFFF and addition of lower bits overflows. The condition r01.mhigh product.mhigh doesn't handle the...
CVE-2026-64313 crypto: ecc - Fix carry overflow in vli multiplication
In the Linux kernel, the following vulnerability has been resolved: crypto: ecc - Fix carry overflow in vli multiplication The carry flag calculation fails when r01.mhigh is saturated 0xFFFFFFFFFFFFFFFF and addition of lower bits overflows. The condition r01.mhigh product.mhigh doesn't handle the...
PT-2026-64534
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the crypto: ecc component where a carry overflow occurs during vli multiplication. The carry flag calculation fails when r01.m high is saturated and the addition of...
CVE-2026-45328 ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers
ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.4 and 6.0, the esptee component exposes secure-service wrappers in espsecureservices.c and espsecureservicesiram.c that bridge calls from the user application i.e. the REE to TEE-protected hardware peripherals...
CVE-2026-45328 ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers
ESF-IDF is the Espressif Internet of Things IOT Development Framework. In versions 5.5.4 and 6.0, the esptee component exposes secure-service wrappers in espsecureservices.c and espsecureservicesiram.c that bridge calls from the user application i.e. the REE to TEE-protected hardware peripherals...
EulerOS 2.0 SP13 : python-ecdsa (EulerOS-SA-2026-2352)
According to the versions of the python-ecdsa packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital...
JLSEC-2026-254 Issue summary: Use of the low-level GF(2^m) elliptic curve APIs with untrusted explicit values for...
Issue summary: Use of the low-level GF2^m elliptic curve APIs with untrusted explicit values for the field polynomial can lead to out-of-bounds memory reads or writes. Impact summary: Out of bound memory writes can lead to an application crash or even a possibility of a remote code execution,...
CVE-2026-41989
Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcrypkdecrypt...
Securing Elliptic Curve Cryptocurrencies against Quantum Vulnerabilities: Resource Estimates and Mitigations
This whitepaper seeks to elucidate implications that the capabilities of developing quantum architectures have on blockchain vulnerabilities and mitigation strategies. First, we provide new resource estimates for breaking the 256-bit Elliptic Curve Discrete Logarithm Problem, the core of modern...
Linux Distros Unpatched Vulnerability : CVE-2026-33936
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdD...
UBUNTU-CVE-2026-33936
The ecdsa PyPI package is a pure Python implementation of ECC Elliptic Curve Cryptography with support for ECDSA Elliptic Curve Digital Signature Algorithm, EdDSA Edwards-curve Digital Signature Algorithm and ECDH Elliptic Curve Diffie-Hellman. Prior to version 0.19.2, an issue in the low-level D...
Pure-Python ECDSA and ECDH 安全漏洞
Pure-Python ECDSA and ECDH is a pure Python implementation of elliptic curve cryptography library open-sourced by tlsfuzzer. Versions of Pure-Python ECDSA and ECDH prior to 0.19.2 have security vulnerabilities. These vulnerabilities stem from low-level DER parsing functions, which may cause...
EUVD-2026-13172
In wolfSSL 5.8.4, constant-time masking logic in sp256getentry2569 is optimized into conditional branches bnez by GCC when targeting RISC-V RV32I with -O3. This transformation breaks the side-channel resistance of ECC scalar multiplication, potentially allowing a local attacker to recover secret...
SUSE-SU-2026:0434-1 Security update for gpg2
This update for gpg2 fixes the following issues: Security fixes: - CVE-2026-24882: Fixed stack-based buffer overflow in TPM2 PKDECRYPT for TPM-backed RSA and ECC keys bsc1257396 - Fixed GnuPG accepting Path Separators and Path Traversals in Literal Data 'Filename' Field bsc1256389...
