SECURITY CHALLENGE 2 : PROVE THIS CODE IS VULNERABLE!

🧠 ENCODER-AND-DECODER I created this encryption system and I NEED TO VALIDATE whether it is truly secure, so I challenge YOU to break this code and discover the original hidden plaintext here: 📤 DADOS PÚBLICOS (podem ser compartilhados) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Dado Criptografado com RSA (Base64): nzfHmbBPy9kgtU0TZlWnggU6EmiLjoTqi6mwseidESg4wAfJRc+g3UmalSdp2EI4+vCnb1Uzh8mcteAZDkKHd59ya8CJV+6+FexlrBYnAgBWrH83oZZnr1wvSJyT2Bwnrsix3t70ZiqyvFjd3yzlzQ3Fcpj3TTnQKTcfbhNZKER25d96nTQVNExcjZGnzPokFL5DZPIN4KS6swM6A79TWStmNXcwRveRUumqtMyP9Yvx+4x1lMTLdcLkKVgW+MZkUiuuHvUsZN1mA9Vxod+S3vhiWMvmAmVMMSwAsqTYxa3r9Q7UaQZWsZDpnen01c9DtAiNZB0Qbf/DSlwKLW6lZQ==|Yhi7RSKy4Qou+Ld4GMI3i2E/wn1By6Xf1erqd1fjYKW3oh965xWEIWpAi2yPEr2YrX5AAkcIPzYXiT6yOZJQ7G12h3EruVSASno7FFUqfghY03ev1KW+1/4zi0UlvoOBJUhg9m2SDjPDvD3dbQncpfryCwOJZKnuggS8xi9Uyy41suTR4LsufOSYe8OCbFvR/UFHJ3o/Xs+RT5k6sP++5QUJdSfGewQ4oGW4Jj87FNDE4SHVwQP5OeO5gH3nbPlJrRoSmZIHDLNf+WRXKvVVG+aiVmTeMTH9+oyHog4J4MvvfZJbIJOgqrdXaJn8+LM7fyE/tz9enOCIwWvx5GvCvw==|NR3+JD4QLvW1jFXRzGlX9HplO8sPbPX9tQNL63NLUw/kVq+zkDH6lIDwuFHWgCsaSwXGsydMpabKpWcVP8dTm7BN72yXthx5CzHvkurrQ3spjmynjMupKX3x2gbm/0D6Y5MyK2k9HmMw/Vvdwwqf0ebwWK805dlZ1dqUToGdXM1HGh7QDsZ3tGk0UGmecN6SWY1+3Y91jOB5sf7ZuVs2FJMkncRItFZiXXW8AmCnPzasXEYwMGkIMRFQ+F9l4lxoQN+tYZOMhhKj7JWZ8ji0LiG+8H9Z+RMr4+XGYPqlrTD6k56r9Oq8Xigk1DqrlJoc368NrC5uezIl3cG3Q3TlxA==|YVPw/oR3InsnUVMNr8jLemeoosf7g4tTsJTrn05NmLh+D19uLb28q8xBH474D0314A3zYrLl5dcqW59Q8a9ZpMhg83CJ6QGa5oiogfGUIDNz3ZLGqTTegaNpcTjJ9RysQkJcXBj1PQhVtXYOau5tKrRWeBXNjVZJvZTRIKxu11MLW1Z19UQHcDsN+NEED0tIO0Pio+LRfBty4+byDuqirMfztIQCk7RBilSa+/5Qlk/Xw5dVA5gS8FavSWZwxmLdVQb/GtUQsAo34WZkiP0kRP1H794ZLrtBaNUtKxWdmwI4PQ7ztiknmoePqvDyHpOVV62DUehx0jeYlJ5LlHapHg==|tjd1oiufqMyXdVMoIIfbWWmF3hb9I1x9jLaB/XsO1hLi9GROJjbYh4GJho81emLVTQ+zaIGfpJGeBPUEI3ZQr8+LVUKKnw6Aos6TyrRhqRK6ud68yZmN+F6UDXNqjgiNb6f+hPh91oOUY7jXCV61nPhRyAagAqrFQBtjLvfB0ysTklYtIqNbHv04CBalnImENKdVrXwBW9alaXkN5YSCSyFhWkOwfhxpGikA5XLqdh4hrlpJFv9xYMtuht675KFQoRjbcM1KDrL9LBvgceT4aeRdaOXX2Lpstf+j8gcKNK98ngteMCjnMv3TI5HOeCsSFk/Qs6v22BtI8tWYPNpMKA==|OJvcJKynkjcB87e8uB7H6fzi0rEGJrnpuZX/VdUxg1PjkhRY1uwallmOB29HN9p9Qa7b1MOz6ti8oKTcdKoM2176DYJ59FNunTN+qeOPFycOhg7N+wXVeEZkxYSrJn+JSQCSn2U3Mk5qpsdIHdHXTODDZNi2xSNJmVeNXUm+/4wsf6VjiXJXT/G1XQ9Pe0kdo3y4EGVJJv5JuwJcYezQmWkHMRnLLp7mduPRmEZD7wFYLLxAqKpd6fVb5u9K5JTXSRuCPSrJxsLzYu+6kLgSrJ/g3GTPEeeNr0vH85/91EnP2JzLe2CKki5ESVd7OKgxA9329NZgJKgKsBN6kKNZCA== SHA-256 Hash: 772ed89b5a24ed0ee31120e1c63772919acf052269a0334650cb59e6efbc8d97 Assinatura ECDSA: T8LoCSLULgs3gwvJv/r4sK0aIf0JjQWfH7QzFOtV5ymfN2LbpqHXNceGwxQ6EeFi7Ph0D04fycbiqfztUafAtg== Chave Pública ECDSA: MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEDlB8RWzyncTMYm6xrrL5Z/+XTzMZFfSbPOCNWni8dlkkSkI0Ch9JuIF5SGGOvh2to1dw6ctOSIUSY/KEd9Uz9w== Chave Pública RSA: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyIRSpQjg1vs/gaEnLCwqsCiyQJR0f8s9zRott5++MQoUUKy/RSPua6GRnBdSYhRyU3wmVV9OAzz6u7RRMBBX4R6zlbny7uGws1Co0LEl19uGsBg5UXEWNGjdV0mYwcoC+v3+BWFGN5khv1ec4sRfkn4rHJytxgqYb17IoJF/rNE6cAeiXNYyyfmeIyJgyGAEBp0PbFD4u59RAw8ao3S8Ghltmi16o7agjDE6EpJeC0EEvFgKeKv1N4pN1oNrsO7CYBKZbYQ/1uUP+Rzr5mQksfEcWGgXrBIXDnVJsUvCzL0yoy5z1BM8/A1xj87pLZjoRfbN6VFSOc3ijkKd7a1yIQIDAQAB 🔐 Encode text and image, and then decode using the website below: 👉 https://github.com/andradepsa/ENCODER-AND-DECODER 👉 https://matematico10.pages.dev/MeusLinks/MeusLinks SECURITY CHALLENGE 1 : PROVE THIS CODE IS VULNERABLE! 🔐 https://doi.org/10.5281/zenodo.17444152 SECURITY CHALLENGE 3 : PROVE THIS CODE IS VULNERABLE! 🔐 https://doi.org/10.5281/zenodo.17608500

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2025-11-23
DOI
https://doi.org/10.5281/zenodo.17690441
Primary Topic
Cryptography and Data Security
Type
article
Field-Weighted Citation Impact
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article

SECURITY CHALLENGE 2 : PROVE THIS CODE IS VULNERABLE!

Zenodo (CERN European Organization for Nuclear Research)
Cryptography and Data Security
article

SECURITY CHALLENGE 2 : PROVE THIS CODE IS VULNERABLE!

article en

Abstract

🧠 ENCODER-AND-DECODER I created this encryption system and I NEED TO VALIDATE whether it is truly secure, so I challenge YOU to break this code and discover the original hidden plaintext here: 📤 DADOS PÚBLICOS (podem ser compartilhados) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Dado Criptografado com RSA (Base64): nzfHmbBPy9kgtU0TZlWnggU6EmiLjoTqi6mwseidESg4wAfJRc+g3UmalSdp2EI4+vCnb1Uzh8mcteAZDkKHd59ya8CJV+6+FexlrBYnAgBWrH83oZZnr1wvSJyT2Bwnrsix3t70ZiqyvFjd3yzlzQ3Fcpj3TTnQKTcfbhNZKER25d96nTQVNExcjZGnzPokFL5DZPIN4KS6swM6A79TWStmNXcwRveRUumqtMyP9Yvx+4x1lMTLdcLkKVgW+MZkUiuuHvUsZN1mA9Vxod+S3vhiWMvmAmVMMSwAsqTYxa3r9Q7UaQZWsZDpnen01c9DtAiNZB0Qbf/DSlwKLW6lZQ==|Yhi7RSKy4Qou+Ld4GMI3i2E/wn1By6Xf1erqd1fjYKW3oh965xWEIWpAi2yPEr2YrX5AAkcIPzYXiT6yOZJQ7G12h3EruVSASno7FFUqfghY03ev1KW+1/4zi0UlvoOBJUhg9m2SDjPDvD3dbQncpfryCwOJZKnuggS8xi9Uyy41suTR4LsufOSYe8OCbFvR/UFHJ3o/Xs+RT5k6sP++5QUJdSfGewQ4oGW4Jj87FNDE4SHVwQP5OeO5gH3nbPlJrRoSmZIHDLNf+WRXKvVVG+aiVmTeMTH9+oyHog4J4MvvfZJbIJOgqrdXaJn8+LM7fyE/tz9enOCIwWvx5GvCvw==|NR3+JD4QLvW1jFXRzGlX9HplO8sPbPX9tQNL63NLUw/kVq+zkDH6lIDwuFHWgCsaSwXGsydMpabKpWcVP8dTm7BN72yXthx5CzHvkurrQ3spjmynjMupKX3x2gbm/0D6Y5MyK2k9HmMw/Vvdwwqf0ebwWK805dlZ1dqUToGdXM1HGh7QDsZ3tGk0UGmecN6SWY1+3Y91jOB5sf7ZuVs2FJMkncRItFZiXXW8AmCnPzasXEYwMGkIMRFQ+F9l4lxoQN+tYZOMhhKj7JWZ8ji0LiG+8H9Z+RMr4+XGYPqlrTD6k56r9Oq8Xigk1DqrlJoc368NrC5uezIl3cG3Q3TlxA==|YVPw/oR3InsnUVMNr8jLemeoosf7g4tTsJTrn05NmLh+D19uLb28q8xBH474D0314A3zYrLl5dcqW59Q8a9ZpMhg83CJ6QGa5oiogfGUIDNz3ZLGqTTegaNpcTjJ9RysQkJcXBj1PQhVtXYOau5tKrRWeBXNjVZJvZTRIKxu11MLW1Z19UQHcDsN+NEED0tIO0Pio+LRfBty4+byDuqirMfztIQCk7RBilSa+/5Qlk/Xw5dVA5gS8FavSWZwxmLdVQb/GtUQsAo34WZkiP0kRP1H794ZLrtBaNUtKxWdmwI4PQ7ztiknmoePqvDyHpOVV62DUehx0jeYlJ5LlHapHg==|tjd1oiufqMyXdVMoIIfbWWmF3hb9I1x9jLaB/XsO1hLi9GROJjbYh4GJho81emLVTQ+zaIGfpJGeBPUEI3ZQr8+LVUKKnw6Aos6TyrRhqRK6ud68yZmN+F6UDXNqjgiNb6f+hPh91oOUY7jXCV61nPhRyAagAqrFQBtjLvfB0ysTklYtIqNbHv04CBalnImENKdVrXwBW9alaXkN5YSCSyFhWkOwfhxpGikA5XLqdh4hrlpJFv9xYMtuht675KFQoRjbcM1KDrL9LBvgceT4aeRdaOXX2Lpstf+j8gcKNK98ngteMCjnMv3TI5HOeCsSFk/Qs6v22BtI8tWYPNpMKA==|OJvcJKynkjcB87e8uB7H6fzi0rEGJrnpuZX/VdUxg1PjkhRY1uwallmOB29HN9p9Qa7b1MOz6ti8oKTcdKoM2176DYJ59FNunTN+qeOPFycOhg7N+wXVeEZkxYSrJn+JSQCSn2U3Mk5qpsdIHdHXTODDZNi2xSNJmVeNXUm+/4wsf6VjiXJXT/G1XQ9Pe0kdo3y4EGVJJv5JuwJcYezQmWkHMRnLLp7mduPRmEZD7wFYLLxAqKpd6fVb5u9K5JTXSRuCPSrJxsLzYu+6kLgSrJ/g3GTPEeeNr0vH85/91EnP2JzLe2CKki5ESVd7OKgxA9329NZgJKgKsBN6kKNZCA== SHA-256 Hash: 772ed89b5a24ed0ee31120e1c63772919acf052269a0334650cb59e6efbc8d97 Assinatura ECDSA: T8LoCSLULgs3gwvJv/r4sK0aIf0JjQWfH7QzFOtV5ymfN2LbpqHXNceGwxQ6EeFi7Ph0D04fycbiqfztUafAtg== Chave Pública ECDSA: MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEDlB8RWzyncTMYm6xrrL5Z/+XTzMZFfSbPOCNWni8dlkkSkI0Ch9JuIF5SGGOvh2to1dw6ctOSIUSY/KEd9Uz9w== Chave Pública RSA: MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyIRSpQjg1vs/gaEnLCwqsCiyQJR0f8s9zRott5++MQoUUKy/RSPua6GRnBdSYhRyU3wmVV9OAzz6u7RRMBBX4R6zlbny7uGws1Co0LEl19uGsBg5UXEWNGjdV0mYwcoC+v3+BWFGN5khv1ec4sRfkn4rHJytxgqYb17IoJF/rNE6cAeiXNYyyfmeIyJgyGAEBp0PbFD4u59RAw8ao3S8Ghltmi16o7agjDE6EpJeC0EEvFgKeKv1N4pN1oNrsO7CYBKZbYQ/1uUP+Rzr5mQksfEcWGgXrBIXDnVJsUvCzL0yoy5z1BM8/A1xj87pLZjoRfbN6VFSOc3ijkKd7a1yIQIDAQAB 🔐 Encode text and image, and then decode using the website below: 👉 https://github.com/andradepsa/ENCODER-AND-DECODER 👉 https://matematico10.pages.dev/MeusLinks/MeusLinks SECURITY CHALLENGE 1 : PROVE THIS CODE IS VULNERABLE! 🔐 https://doi.org/10.5281/zenodo.17444152 SECURITY CHALLENGE 3 : PROVE THIS CODE IS VULNERABLE! 🔐 https://doi.org/10.5281/zenodo.17608500

Zenodo (CERN European Organization for Nuclear Research)
Openalex Percentile: Top 22%
Cryptography and Data Security
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