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crypto.cpp: Fix comments

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These seem to be the wrong way around.
This commit is contained in:
Richard van der Hoff 2016-05-16 11:53:35 +01:00
parent acae4e8438
commit c8c5f35bb4
1 changed files with 2 additions and 2 deletions
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4
src/crypto.cpp
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@ -298,14 +298,14 @@ void olm::hkdf_sha256(
salt = HKDF_DEFAULT_SALT;
salt_length = sizeof(HKDF_DEFAULT_SALT);
}
/* Expand */
/* Extract */
hmac_sha256_key(salt, salt_length, hmac_key);
hmac_sha256_init(&context, hmac_key);
::sha256_update(&context, input, input_length);
hmac_sha256_final(&context, hmac_key, step_result);
hmac_sha256_key(step_result, olm::SHA256_OUTPUT_LENGTH, hmac_key);
/* Extract */
/* Expand */
hmac_sha256_init(&context, hmac_key);
::sha256_update(&context, info, info_length);
::sha256_update(&context, &iteration, 1);