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Merge pull request #7864 from waleed-elmelegy-arm/enforce-min-RSA-key-size

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Enforce minimum key size when generating RSA key size
This commit is contained in:
Dave Rodgman
2023-08-03 12:57:52 +00:00
committed by GitHub
parent 1d4d944e19 d4e7fe09b3
commit 6f80ac4979
11 changed files with 91 additions and 48 deletions
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7
library/rsa.c
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@@ -545,7 +545,12 @@ int mbedtls_rsa_gen_key(mbedtls_rsa_context *ctx,
mbedtls_mpi_init(&G);
mbedtls_mpi_init(&L);
if (nbits < 128 || exponent < 3 || nbits % 2 != 0) {
if (exponent < 3 || nbits % 2 != 0) {
ret = MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
goto cleanup;
}
if (nbits < MBEDTLS_RSA_GEN_KEY_MIN_BITS) {
ret = MBEDTLS_ERR_RSA_BAD_INPUT_DATA;
goto cleanup;
}