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New function mbedtls_rsa_get_bitlen()

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Document, implement and test mbedtls_rsa_get_bitlen().

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2024-02-01 22:17:44 +01:00
parent c3d17cde46
commit 19f1adfc69
5 changed files with 165 additions and 29 deletions
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8
library/rsa.c
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@ -1014,6 +1014,14 @@ int mbedtls_rsa_get_md_alg(const mbedtls_rsa_context *ctx)
return ctx->hash_id;
}
/*
* Get length in bits of RSA modulus
*/
size_t mbedtls_rsa_get_bitlen(const mbedtls_rsa_context *ctx)
{
return mbedtls_mpi_bitlen(&ctx->N);
}
/*
* Get length in bytes of RSA modulus
*/