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author | Kenny Root <kroot@google.com> | 2015-10-02 16:09:15 -0700 |
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committer | Kenny Root <kroot@google.com> | 2015-10-02 16:09:49 -0700 |
commit | fe7305364c3369f9222a61646c5c9842eae9bceb (patch) | |
tree | 360ada970b7bb1046ae069d253ba24d9622eb3ad /src/crypto/bytestring/cbs.c | |
parent | 691ef9d0ff0ece39ffd6a58960a7cd195ef584ae (diff) | |
parent | b452bce3bf2034466cee6206ebf3994409468ee4 (diff) | |
download | external_boringssl-fe7305364c3369f9222a61646c5c9842eae9bceb.zip external_boringssl-fe7305364c3369f9222a61646c5c9842eae9bceb.tar.gz external_boringssl-fe7305364c3369f9222a61646c5c9842eae9bceb.tar.bz2 |
Merge mnc-dr-dev-plus-aosp into mnc-ub-dev
This pulls in the latest version of BoringSSL.
Change-Id: I0ab5c73d60f41a696c9a828fac87670aaca10dec
Diffstat (limited to 'src/crypto/bytestring/cbs.c')
-rw-r--r-- | src/crypto/bytestring/cbs.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/crypto/bytestring/cbs.c b/src/crypto/bytestring/cbs.c index b8caedd..5e0c538 100644 --- a/src/crypto/bytestring/cbs.c +++ b/src/crypto/bytestring/cbs.c @@ -137,6 +137,15 @@ int CBS_get_bytes(CBS *cbs, CBS *out, size_t len) { return 1; } +int CBS_copy_bytes(CBS *cbs, uint8_t *out, size_t len) { + const uint8_t *v; + if (!cbs_get(cbs, &v, len)) { + return 0; + } + memcpy(out, v, len); + return 1; +} + static int cbs_get_length_prefixed(CBS *cbs, CBS *out, size_t len_len) { uint32_t len; if (!cbs_get_u(cbs, &len, len_len)) { @@ -320,14 +329,19 @@ int CBS_get_asn1_uint64(CBS *cbs, uint64_t *out) { } int CBS_get_optional_asn1(CBS *cbs, CBS *out, int *out_present, unsigned tag) { + int present = 0; + if (CBS_peek_asn1_tag(cbs, tag)) { if (!CBS_get_asn1(cbs, out, tag)) { return 0; } - *out_present = 1; - } else { - *out_present = 0; + present = 1; + } + + if (out_present != NULL) { + *out_present = present; } + return 1; } |