sha256_password plugin
SHA256 authentication possible exchanges:
- if connection use SSL (SSLRequest Packet sent)
- client send a clear password answer
- else
- if client doesn't know server RSA public key
- client sends a public key request
- server sends a public key response
- client sends an RSA encrypted password
- ends with server sending either OK_Packet , ERR_Packet
- if client doesn't know server RSA public key
Client clear password answer
- string<NUL> password without encryption
Public key request
- byte<1> fixed 0x01 value
Public key response
RSA encrypted password
- byte<256> RSA encrypted password
RSA encrypted value of XOR(password, seed) using server public key (RSA_PKCS1_OAEP_PADDING).
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