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Only zeroise sensitive parts of DRBG context, so the type and flags

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are undisturbed.

Allow setting of "rand" callbacks for DRBG.
This commit is contained in:
Dr. Stephen Henson
2011-04-01 17:49:45 +00:00
parent 8cf88778ea
commit e5cadaf8db
3 changed files with 29 additions and 5 deletions
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7
fips/rand/fips_rand.h
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@@ -97,6 +97,13 @@ int FIPS_drbg_set_callbacks(DRBG_CTX *dctx,
int entropy, size_t min_len, size_t max_len),
void (*cleanup_nonce)(DRBG_CTX *ctx, unsigned char *out, size_t olen));
int FIPS_drbg_set_rand_callbacks(DRBG_CTX *dctx,
size_t (*get_adin)(DRBG_CTX *ctx, unsigned char **pout),
void (*cleanup_adin)(DRBG_CTX *ctx, unsigned char *out, size_t olen),
int (*rand_seed_cb)(DRBG_CTX *ctx, const void *buf, int num),
int (*rand_add_cb)(DRBG_CTX *ctx,
const void *buf, int num, double entropy));
void *FIPS_drbg_get_app_data(DRBG_CTX *ctx);
void FIPS_drbg_set_app_data(DRBG_CTX *ctx, void *app_data);
size_t FIPS_drbg_get_blocklength(DRBG_CTX *dctx);