diff options
Diffstat (limited to 'src/OpenSSL/crypto.py')
| -rw-r--r-- | src/OpenSSL/crypto.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/OpenSSL/crypto.py b/src/OpenSSL/crypto.py index 20cf183..4f7e4d8 100644 --- a/src/OpenSSL/crypto.py +++ b/src/OpenSSL/crypto.py @@ -2801,9 +2801,10 @@ def sign(pkey, data, digest): _lib.EVP_SignInit(md_ctx, digest_obj) _lib.EVP_SignUpdate(md_ctx, data, len(data)) - pkey_length = (PKey.bits(pkey) + 7) // 8 - signature_buffer = _ffi.new("unsigned char[]", pkey_length) - signature_length = _ffi.new("unsigned int*") + length = _lib.EVP_PKEY_size(pkey._pkey) + _openssl_assert(length > 0) + signature_buffer = _ffi.new("unsigned char[]", length) + signature_length = _ffi.new("unsigned int *") final_result = _lib.EVP_SignFinal( md_ctx, signature_buffer, signature_length, pkey._pkey) _openssl_assert(final_result == 1) |