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Evgeny @ SimpleX Chat
14 lines
807 B
Markdown
14 lines
807 B
Markdown
# Simplex.Messaging.Transport.Credentials
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> Certificate generation for transport layer: Ed25519 key pairs, X.509 signing, TLS credential extraction.
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**Source**: [`Transport/Credentials.hs`](../../../../../src/Simplex/Messaging/Transport/Credentials.hs)
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## genCredentials — nanosecond stripping
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`genCredentials` zeroes out nanoseconds from the current time before creating the certificate validity period: `todNSec = 0`. The source comment explains: "remove nanoseconds from time - certificate encoding/decoding removes them."
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## tlsCredentials — root fingerprint from last credential
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`tlsCredentials` extracts the SHA-256 fingerprint from `L.last credentials` (the root/CA certificate), and the private key from `L.head credentials` (the leaf). The returned `KeyHash` wraps this root fingerprint.
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