mirror of https://git.ffmpeg.org/ffmpeg.git
Merge commit 'e9e86d9ef637f5a600c76b352ffe5a82b71b25d1'
* commit 'e9e86d9ef637f5a600c76b352ffe5a82b71b25d1': rtmpdh: Create sufficiently long private keys for gcrypt/nettle Merged-by: Michael Niedermayer <michaelni@gmx.at>
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commit
4b8b3efb1e
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@ -81,12 +81,12 @@
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ret = 1; \
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} while (0)
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#define bn_modexp(bn, y, q, p) mpz_powm(bn, y, q, p)
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#define bn_random(bn, num_bytes) \
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#define bn_random(bn, num_bits) \
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do { \
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gmp_randstate_t rs; \
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gmp_randinit_mt(rs); \
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gmp_randseed_ui(rs, av_get_random_seed()); \
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mpz_urandomb(bn, rs, num_bytes); \
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mpz_urandomb(bn, rs, num_bits); \
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gmp_randclear(rs); \
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} while (0)
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#elif CONFIG_GCRYPT
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@ -102,7 +102,7 @@
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#define bn_bin2bn(bn, buf, len) gcry_mpi_scan(&bn, GCRYMPI_FMT_USG, buf, len, NULL)
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#define bn_hex2bn(bn, buf, ret) ret = (gcry_mpi_scan(&bn, GCRYMPI_FMT_HEX, buf, 0, 0) == 0)
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#define bn_modexp(bn, y, q, p) gcry_mpi_powm(bn, y, q, p)
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#define bn_random(bn, num_bytes) gcry_mpi_randomize(bn, num_bytes, GCRY_WEAK_RANDOM)
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#define bn_random(bn, num_bits) gcry_mpi_randomize(bn, num_bits, GCRY_WEAK_RANDOM)
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#endif
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#define MAX_BYTES 18000
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@ -120,7 +120,7 @@ static FFBigNum dh_generate_key(FF_DH *dh)
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bn_new(dh->priv_key);
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if (!dh->priv_key)
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return NULL;
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bn_random(dh->priv_key, num_bytes);
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bn_random(dh->priv_key, 8 * num_bytes);
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bn_new(dh->pub_key);
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if (!dh->pub_key) {
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