42 lines
1.6 KiB
Markdown
42 lines
1.6 KiB
Markdown
---
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title: passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow
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description: This key derivation algorithm defines that [SRP 2FA login](https://core.telegram.org/api/srp) must be used
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image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png
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---
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# Constructor: passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow
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[Back to constructors index](index.md)
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This key derivation algorithm defines that [SRP 2FA login](https://core.telegram.org/api/srp) must be used
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### Attributes:
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| Name | Type | Required | Description |
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|----------|---------------|----------|-------------|
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|salt1|[bytes](../types/bytes.md) | Yes|One of two salts used by the derivation function (see [SRP 2FA login](https://core.telegram.org/api/srp))|
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|salt2|[bytes](../types/bytes.md) | Yes|One of two salts used by the derivation function (see [SRP 2FA login](https://core.telegram.org/api/srp))|
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|g|[int](../types/int.md) | Yes|Base (see [SRP 2FA login](https://core.telegram.org/api/srp))|
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|p|[bytes](../types/bytes.md) | Yes|2048-bit modulus (see [SRP 2FA login](https://core.telegram.org/api/srp))|
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### Type: [PasswordKdfAlgo](../types/PasswordKdfAlgo.md)
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### Example:
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```php
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$passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow = ['_' => 'passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow', 'salt1' => 'bytes', 'salt2' => 'bytes', 'g' => int, 'p' => 'bytes'];
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```
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Or, if you're into Lua:
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```lua
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passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow={_='passwordKdfAlgoSHA256SHA256PBKDF2HMACSHA512iter100000SHA256ModPow', salt1='bytes', salt2='bytes', g=int, p='bytes'}
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```
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