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3b7bd871c1
Parent DRBG can be seed source (os or jitter) and thus able to provide unlimited entropy. get_entropy is documented to provide at least the request amount of entropy. If requested amount of entropy is same as, or less than drbg->strength, everything is compliant. However, if requested entropy is more than drbg->strength (unlikely, but possible), the returned amount of entropy will be insufficient and additional repeated calls to get_entropy will be required. Reading history of refactors, it seems to me that this function call previouslly had assumptions and usecases that couldn't ever request or require more than strength amount of entropy. If entropy is set, request that amount, otherwise request drbg->strength amount. Reviewed-by: Hugo Landau <hlandau@devever.net> Reviewed-by: Paul Dale <ppzgs1@gmail.com> (Merged from https://github.com/openssl/openssl/pull/25850) |
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| .. | ||
| common | ||
| fips | ||
| implementations | ||
| baseprov.c | ||
| build.info | ||
| decoders.inc | ||
| defltprov.c | ||
| encoders.inc | ||
| fips-sources.checksums | ||
| fips.checksum | ||
| fips.module.sources | ||
| legacyprov.c | ||
| nullprov.c | ||
| prov_running.c | ||
| stores.inc | ||