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I know that ECB is less secure than CBC, but will it be suitable for encrypting a long bit string?

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  • $\begingroup$ Closely related: crypto.stackexchange.com/q/58294 $\endgroup$
    – Patriot
    Jan 29, 2021 at 4:50
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    $\begingroup$ Welcome to Crypto! You may want to be specific about the length of the string. Do you have anything else to add to your question? $\endgroup$
    – Patriot
    Jan 29, 2021 at 4:55
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    $\begingroup$ Do you have continuous bit string like streaming videos or fixed length of bit string as asked by Patriot? $\endgroup$
    – SSA
    Jan 29, 2021 at 13:11
  • $\begingroup$ And is there a reason you can't use AES-GCM instead of either? ECB doesn't even provide IND-CPA security, CBC does but lacks IND-CCA & IND-CCA2 secuity (unless you MAC the ciphertext). $\endgroup$
    – SAI Peregrinus
    Jan 29, 2021 at 13:43

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