MBEDTLS_CTR_DRBG_KEYSIZE - syntax, references, description

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#define MBEDTLS_CTR_DRBG_KEYSIZE 32

unsigned char key[MBEDTLS_CTR_DRBG_KEYSIZE];

for (i = 0; i < MBEDTLS_CTR_DRBG_KEYSIZE; i++) {

iv = tmp + MBEDTLS_CTR_DRBG_KEYSIZE;

memcpy(ctx->counter, tmp + MBEDTLS_CTR_DRBG_KEYSIZE,

if (entropy_len >= MBEDTLS_CTR_DRBG_KEYSIZE * 3 / 2) {

unsigned char key[MBEDTLS_CTR_DRBG_KEYSIZE];

memset(key, 0, MBEDTLS_CTR_DRBG_KEYSIZE);

mbedtls_ctr_drbg_set_entropy_len(&ctx, MBEDTLS_CTR_DRBG_KEYSIZE);

mbedtls_ctr_drbg_set_nonce_len(&ctx, MBEDTLS_CTR_DRBG_KEYSIZE / 2);

pers_pr, MBEDTLS_CTR_DRBG_KEYSIZE));

mbedtls_ctr_drbg_set_entropy_len(&ctx, MBEDTLS_CTR_DRBG_KEYSIZE);

mbedtls_ctr_drbg_set_nonce_len(&ctx, MBEDTLS_CTR_DRBG_KEYSIZE / 2);

pers_nopr, MBEDTLS_CTR_DRBG_KEYSIZE));

#define MBEDTLS_CTR_DRBG_KEYBITS (MBEDTLS_CTR_DRBG_KEYSIZE * 8) /**< The key size for the DRBG operation, in bits. */

#define MBEDTLS_CTR_DRBG_SEEDLEN (MBEDTLS_CTR_DRBG_KEYSIZE + MBEDTLS_CTR_DRBG_BLOCKSIZE) /**< The seed length, calculated as (counter + AES key). */

#if MBEDTLS_CTR_DRBG_ENTROPY_LEN >= MBEDTLS_CTR_DRBG_KEYSIZE * 3 / 2