Is it possible to encrypt a message with two different keys (or maybe a public key) such that ciphertext will be decrypted with either of the keys?
137207
Two different keys decrypting same content
49053
Knowing the key, how do I decrypt the affine cipher?
64578
How can an encryption scheme be indistinguishable with multiple messages but vulnerable to an adaptive chosen-plaintext attack?
11379
How does asymmetric encryption work?
146532
Do any one-key-of-many cryptographic schemes exist?
12035
XOR cipher with fixed key and known relation among plaintexts
146272
Why is double encryption that's equivalent to single encryption no better than single encryption?
40101
Does Knowing Two Proper Factors of an RSA Public Key Permit Decryption if $N$ is Not a Semiprime?
35475
Encrypting the password
113308
Building a combined encryption scheme from two encryption schemes that's secure if at least on of them is secure
138505
PGP Encrypt and Decrypt
44290
How can I use asymmetric encryption, such as RSA, to encrypt an arbitrary length of plaintext?
43926
RSA encryption with private key and decryption with a public key
142522
Construct IND-CPA secure encryption scheme by combining two given schemes
144812
Common modulus attack on RSA when the 2 public exponents differ by a single bit
139568
Can double-encrypting be easier to break then either algorithm on its own?
20480
Using the same RSA keypair to sign and encrypt