diff options
| author | Thomas Volkert <thomas.volkert@net-zeal.com> | 2018-04-21 15:53:31 +0200 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2018-05-21 19:43:04 -0300 |
| commit | c24d247e2c2ccd13fda09fe4194bf2ff0eb42256 (patch) | |
| tree | 2666bee9bebcc75380863dcf64960215d7f178b9 /libavformat/rtmpdh.c | |
| parent | 27df34bf1f7a113086ba5c68d2a58b7c430c301f (diff) | |
libavformat: add mbedTLS based TLS
Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavformat/rtmpdh.c')
| -rw-r--r-- | libavformat/rtmpdh.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libavformat/rtmpdh.c b/libavformat/rtmpdh.c index 8eb088237b..5ddae537a1 100644 --- a/libavformat/rtmpdh.c +++ b/libavformat/rtmpdh.c @@ -38,6 +38,11 @@ #include "rtmpdh.h" +#if CONFIG_MBEDTLS +#include <mbedtls/ctr_drbg.h> +#include <mbedtls/entropy.h> +#endif + #define P1024 \ "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" \ "29024E088A67CC74020BBEA63B139B22514A08798E3404DD" \ @@ -159,6 +164,56 @@ static int bn_modexp(FFBigNum bn, FFBigNum y, FFBigNum q, FFBigNum p) BN_CTX_free(ctx); return 0; } +#elif CONFIG_MBEDTLS +#define bn_new(bn) \ + do { \ + bn = av_malloc(sizeof(*bn)); \ + if (bn) \ + mbedtls_mpi_init(bn); \ + } while (0) +#define bn_free(bn) \ + do { \ + mbedtls_mpi_free(bn); \ + av_free(bn); \ + } while (0) +#define bn_set_word(bn, w) mbedtls_mpi_lset(bn, w) +#define bn_cmp(a, b) mbedtls_mpi_cmp_mpi(a, b) +#define bn_copy(to, from) mbedtls_mpi_copy(to, from) +#define bn_sub_word(bn, w) mbedtls_mpi_sub_int(bn, bn, w) +#define bn_cmp_1(bn) mbedtls_mpi_cmp_int(bn, 1) +#define bn_num_bytes(bn) (mbedtls_mpi_bitlen(bn) + 7) / 8 +#define bn_bn2bin(bn, buf, len) mbedtls_mpi_write_binary(bn, buf, len) +#define bn_bin2bn(bn, buf, len) \ + do { \ + bn_new(bn); \ + if (bn) \ + mbedtls_mpi_read_binary(bn, buf, len); \ + } while (0) +#define bn_hex2bn(bn, buf, ret) \ + do { \ + bn_new(bn); \ + if (bn) \ + ret = (mbedtls_mpi_read_string(bn, 16, buf) == 0); \ + else \ + ret = 1; \ + } while (0) +#define bn_random(bn, num_bits) \ + do { \ + mbedtls_entropy_context entropy_ctx; \ + mbedtls_ctr_drbg_context ctr_drbg_ctx; \ + \ + mbedtls_entropy_init(&entropy_ctx); \ + mbedtls_ctr_drbg_init(&ctr_drbg_ctx); \ + mbedtls_ctr_drbg_seed(&ctr_drbg_ctx, \ + mbedtls_entropy_func, \ + &entropy_ctx, \ + NULL, 0); \ + mbedtls_mpi_fill_random(bn, (num_bits + 7) / 8, mbedtls_ctr_drbg_random, &ctr_drbg_ctx); \ + mbedtls_ctr_drbg_free(&ctr_drbg_ctx); \ + mbedtls_entropy_free(&entropy_ctx); \ + } while (0) +#define bn_modexp(bn, y, q, p) mbedtls_mpi_exp_mod(bn, y, q, p, 0) + #endif #define MAX_BYTES 18000 |