PING
Hello Li He, maintainers,

Any chance to revive this thread? 
The patch series no longer applies to latest QEMU and it would be a useful 
feature to have.

BR
Giacomo

> On 22 Jun 2022, at 11:15, Lei He <helei.si...@bytedance.com> wrote:
> 
> 1. add test suite for ecdsa algorithm.
> 2. use qcrypto_akcihper_max_xxx_len to help create buffers in
> 
> Signed-off-by: lei he <helei.si...@bytedance.com>
> Reviewed-by: Daniel P. Berrangé <berra...@redhat.com>
> ---
> tests/unit/test-crypto-akcipher.c | 338 ++++++++++++++++++++++++++++++++++++--
> 1 file changed, 323 insertions(+), 15 deletions(-)
> 
> diff --git a/tests/unit/test-crypto-akcipher.c 
> b/tests/unit/test-crypto-akcipher.c
> index 4f1f4214dd..414387cfb4 100644
> --- a/tests/unit/test-crypto-akcipher.c
> +++ b/tests/unit/test-crypto-akcipher.c
> @@ -314,12 +314,117 @@ static const uint8_t rsa2048_public_key[] = {
>    0xed, 0x02, 0x03, 0x01, 0x00, 0x01
> };
> 
> +static const uint8_t ecdsa_p192_public_key[] = {
> +    0x04, 0xc4, 0x16, 0xb3, 0xff, 0xac, 0xd5, 0x87,
> +    0x98, 0xf7, 0xd9, 0x45, 0xfe, 0xd3, 0x5c, 0x17,
> +    0x9d, 0xb2, 0x36, 0x22, 0xcc, 0x07, 0xb3, 0x6d,
> +    0x3c, 0x4e, 0x04, 0x5f, 0xeb, 0xb6, 0x52, 0x58,
> +    0xfb, 0x36, 0x10, 0x52, 0xb7, 0x01, 0x62, 0x0e,
> +    0x94, 0x51, 0x1d, 0xe2, 0xef, 0x10, 0x82, 0x88,
> +    0x78,
> +};
> +
> +static const uint8_t ecdsa_p192_private_key[] = {
> +    0x30, 0x53, 0x02, 0x01, 0x01, 0x04, 0x18, 0xcb,
> +    0xc8, 0x86, 0x0e, 0x66, 0x3c, 0xf7, 0x5a, 0x44,
> +    0x13, 0xb8, 0xef, 0xea, 0x1d, 0x7b, 0xa6, 0x1c,
> +    0xda, 0xf4, 0x1b, 0xc7, 0x67, 0x6b, 0x35, 0xa1,
> +    0x34, 0x03, 0x32, 0x00, 0x04, 0xc4, 0x16, 0xb3,
> +    0xff, 0xac, 0xd5, 0x87, 0x98, 0xf7, 0xd9, 0x45,
> +    0xfe, 0xd3, 0x5c, 0x17, 0x9d, 0xb2, 0x36, 0x22,
> +    0xcc, 0x07, 0xb3, 0x6d, 0x3c, 0x4e, 0x04, 0x5f,
> +    0xeb, 0xb6, 0x52, 0x58, 0xfb, 0x36, 0x10, 0x52,
> +    0xb7, 0x01, 0x62, 0x0e, 0x94, 0x51, 0x1d, 0xe2,
> +    0xef, 0x10, 0x82, 0x88, 0x78,
> +};
> +
> +static const uint8_t ecdsa_p256_private_key[] = {
> +    0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0xf6,
> +    0x92, 0xdd, 0x29, 0x1c, 0x6e, 0xef, 0xb6, 0xb2,
> +    0x73, 0x9f, 0x40, 0x1b, 0xb3, 0x2a, 0x28, 0xd2,
> +    0x37, 0xd6, 0x4a, 0x5b, 0xe4, 0x40, 0x4c, 0x6a,
> +    0x95, 0x99, 0xfa, 0xf7, 0x92, 0x49, 0xbe, 0xa0,
> +    0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d,
> +    0x03, 0x01, 0x07, 0xa1, 0x44, 0x03, 0x42, 0x00,
> +    0x04, 0xed, 0x42, 0x9c, 0x67, 0x79, 0xbe, 0x46,
> +    0x83, 0x88, 0x3e, 0x8c, 0xc1, 0x33, 0xf3, 0xc3,
> +    0xf6, 0x2c, 0xf3, 0x13, 0x6a, 0x00, 0xc2, 0xc9,
> +    0x3e, 0x87, 0x7f, 0x86, 0x39, 0xe6, 0xae, 0xe3,
> +    0xb9, 0xba, 0x2f, 0x58, 0x63, 0x32, 0x62, 0x62,
> +    0x54, 0x07, 0x27, 0xf9, 0x5a, 0x3a, 0xc7, 0x3a,
> +    0x6b, 0x5b, 0xbc, 0x0d, 0x33, 0xba, 0xbb, 0xd4,
> +    0xa3, 0xff, 0x4f, 0x9e, 0xdd, 0xf5, 0x59, 0xc0,
> +    0xf6,
> +};
> +
> +static const uint8_t ecdsa_p256_public_key[] = {
> +    0x04, 0xed, 0x42, 0x9c, 0x67, 0x79, 0xbe, 0x46,
> +    0x83, 0x88, 0x3e, 0x8c, 0xc1, 0x33, 0xf3, 0xc3,
> +    0xf6, 0x2c, 0xf3, 0x13, 0x6a, 0x00, 0xc2, 0xc9,
> +    0x3e, 0x87, 0x7f, 0x86, 0x39, 0xe6, 0xae, 0xe3,
> +    0xb9, 0xba, 0x2f, 0x58, 0x63, 0x32, 0x62, 0x62,
> +    0x54, 0x07, 0x27, 0xf9, 0x5a, 0x3a, 0xc7, 0x3a,
> +    0x6b, 0x5b, 0xbc, 0x0d, 0x33, 0xba, 0xbb, 0xd4,
> +    0xa3, 0xff, 0x4f, 0x9e, 0xdd, 0xf5, 0x59, 0xc0,
> +    0xf6,
> +};
> +
> +static const uint8_t ecdsa_p384_public_key[] = {
> +    0x04, 0xab, 0xd5, 0xf8, 0x87, 0x1d, 0x23, 0x9b,
> +    0x26, 0xb9, 0x57, 0x7e, 0x97, 0x78, 0x10, 0xcd,
> +    0x13, 0xe3, 0x98, 0x25, 0xa8, 0xd6, 0xab, 0x66,
> +    0x35, 0x26, 0x68, 0x8a, 0x0e, 0x49, 0xd9, 0x4a,
> +    0x91, 0x7d, 0x6c, 0x94, 0x06, 0x06, 0x99, 0xf1,
> +    0x8d, 0x2a, 0x25, 0x8d, 0xf9, 0xbf, 0x40, 0xfa,
> +    0xb7, 0xcb, 0xe1, 0x14, 0x22, 0x0a, 0xa7, 0xfb,
> +    0x0a, 0xb4, 0x02, 0x05, 0x8b, 0x98, 0xaa, 0x78,
> +    0xcd, 0x53, 0x00, 0x1e, 0xd1, 0x79, 0x6a, 0x5f,
> +    0x09, 0x01, 0x88, 0xb4, 0xbc, 0x32, 0x62, 0x83,
> +    0x92, 0x84, 0x2d, 0xc6, 0xf8, 0xda, 0xc4, 0x7f,
> +    0x10, 0xa3, 0x18, 0x1d, 0xae, 0x0d, 0xa4, 0x41,
> +    0x9f,
> +};
> +
> +static const uint8_t ecdsa_p384_private_key[] = {
> +    0x30, 0x81, 0x9b, 0x02, 0x01, 0x01, 0x04, 0x30,
> +    0xb6, 0x04, 0xef, 0xb1, 0x2c, 0x98, 0xdf, 0xcf,
> +    0xd4, 0x16, 0x31, 0xd4, 0x69, 0x0c, 0x27, 0x81,
> +    0x4a, 0xac, 0x1a, 0x83, 0x3c, 0xe4, 0xef, 0x65,
> +    0xe1, 0x7a, 0x6a, 0xc6, 0xd6, 0xf7, 0xea, 0x79,
> +    0xbe, 0xf1, 0x00, 0x3c, 0xdf, 0x6e, 0x9d, 0x10,
> +    0x22, 0x61, 0x1b, 0x11, 0xcf, 0x49, 0x6e, 0x62,
> +    0xa1, 0x64, 0x03, 0x62, 0x00, 0x04, 0xab, 0xd5,
> +    0xf8, 0x87, 0x1d, 0x23, 0x9b, 0x26, 0xb9, 0x57,
> +    0x7e, 0x97, 0x78, 0x10, 0xcd, 0x13, 0xe3, 0x98,
> +    0x25, 0xa8, 0xd6, 0xab, 0x66, 0x35, 0x26, 0x68,
> +    0x8a, 0x0e, 0x49, 0xd9, 0x4a, 0x91, 0x7d, 0x6c,
> +    0x94, 0x06, 0x06, 0x99, 0xf1, 0x8d, 0x2a, 0x25,
> +    0x8d, 0xf9, 0xbf, 0x40, 0xfa, 0xb7, 0xcb, 0xe1,
> +    0x14, 0x22, 0x0a, 0xa7, 0xfb, 0x0a, 0xb4, 0x02,
> +    0x05, 0x8b, 0x98, 0xaa, 0x78, 0xcd, 0x53, 0x00,
> +    0x1e, 0xd1, 0x79, 0x6a, 0x5f, 0x09, 0x01, 0x88,
> +    0xb4, 0xbc, 0x32, 0x62, 0x83, 0x92, 0x84, 0x2d,
> +    0xc6, 0xf8, 0xda, 0xc4, 0x7f, 0x10, 0xa3, 0x18,
> +    0x1d, 0xae, 0x0d, 0xa4, 0x41, 0x9f,
> +};
> +
> static const uint8_t test_sha1_dgst[] = {
>    0x3c, 0x05, 0x19, 0x34, 0x29, 0x19, 0xc7, 0xe0,
>    0x87, 0xb6, 0x24, 0xf9, 0x58, 0xac, 0xa4, 0xd4,
>    0xb2, 0xd9, 0x03, 0x9e,
> };
> 
> +static const uint8_t test_sha512_dgst[] = {
> +    0x8b, 0x79, 0xc0, 0x3c, 0xcb, 0x15, 0x26, 0x51,
> +    0x50, 0xca, 0xb1, 0xa7, 0xf3, 0xf6, 0x1e, 0x0a,
> +    0xbb, 0x39, 0x7c, 0x97, 0x7f, 0xad, 0x9e, 0x51,
> +    0xb4, 0xa0, 0xb0, 0xd8, 0xd6, 0xb9, 0xd8, 0x81,
> +    0xac, 0x8a, 0xb3, 0x30, 0x07, 0xea, 0x6e, 0x63,
> +    0x2f, 0xda, 0x8f, 0x2c, 0x4b, 0xa0, 0xee, 0x9a,
> +    0xda, 0x32, 0x2d, 0x6c, 0xb1, 0x8b, 0xe2, 0xd8,
> +    0x79, 0x48, 0xd4, 0xf9, 0xb1, 0xfa, 0xf1, 0xa2,
> +};
> +
> static const uint8_t exp_signature_rsa2048_pkcs1[] = {
>    0x4e, 0x82, 0x56, 0x4c, 0x84, 0x66, 0xca, 0x1e,
>    0xc6, 0x92, 0x46, 0x20, 0x02, 0x6b, 0x64, 0x46,
> @@ -374,6 +479,82 @@ static const uint8_t exp_signature_rsa1024_pkcs1[] = {
>    0xab, 0x0d, 0xc6, 0x59, 0x1d, 0xc7, 0x33, 0x7b,
> };
> 
> +static const uint8_t exp_signature_ecdsa_p192[] = {
> +    0x30, 0x35, 0x02, 0x19, 0x00, 0xba, 0xf7, 0xc0,
> +    0xc1, 0x7e, 0xf5, 0x69, 0xd5, 0xb7, 0x5d, 0x06,
> +    0xcb, 0x92, 0x28, 0x57, 0x52, 0x96, 0x9a, 0xdc,
> +    0xc9, 0xf9, 0xd5, 0x2c, 0x51, 0x02, 0x18, 0x26,
> +    0x21, 0x5d, 0x16, 0xba, 0xff, 0x19, 0x74, 0x56,
> +    0x8e, 0xdf, 0x51, 0x2b, 0x2c, 0xce, 0xc2, 0x7b,
> +    0x5b, 0x03, 0x10, 0x56, 0x57, 0x63, 0x47,
> +};
> +
> +static const uint8_t exp_signature_ecdsa_p192_sha512[] = {
> +    0x30, 0x35, 0x02, 0x19, 0x00, 0xbb, 0x03, 0x61,
> +    0x98, 0x28, 0xb3, 0x02, 0xca, 0x61, 0x08, 0xce,
> +    0x98, 0xfd, 0x57, 0x6e, 0x60, 0xfa, 0xa0, 0x06,
> +    0x03, 0xe2, 0xb2, 0x07, 0x22, 0x02, 0x18, 0x26,
> +    0xdc, 0x17, 0x3b, 0xf1, 0x88, 0x0a, 0x2c, 0xd5,
> +    0x51, 0x23, 0xbc, 0x83, 0x54, 0x05, 0x77, 0x28,
> +    0xd5, 0x84, 0xdf, 0x16, 0x4f, 0x50, 0x20,
> +};
> +
> +static const uint8_t exp_signature_ecdsa_p256[] = {
> +    0x30, 0x45, 0x02, 0x21, 0x00, 0xac, 0x09, 0xf3,
> +    0x32, 0xb6, 0xf6, 0x7e, 0x12, 0x4f, 0x68, 0xdb,
> +    0x10, 0x14, 0x61, 0xf6, 0x29, 0xbd, 0xdd, 0x72,
> +    0x9f, 0x81, 0xf8, 0x83, 0x8a, 0xf3, 0x29, 0x87,
> +    0x7b, 0xbb, 0xcf, 0xea, 0x64, 0x02, 0x20, 0x14,
> +    0xfc, 0x2e, 0x2f, 0x3e, 0x06, 0xb1, 0xd0, 0xbb,
> +    0x91, 0x44, 0xd5, 0x53, 0xb4, 0x72, 0xa1, 0x83,
> +    0xc7, 0x3a, 0xa8, 0xfc, 0x43, 0x1b, 0x2e, 0xbb,
> +    0xb0, 0xe9, 0xef, 0x0b, 0x03, 0x32, 0x74,
> +};
> +
> +static const uint8_t exp_signature_ecdsa_p256_sha512[] = {
> +    0x30, 0x46, 0x02, 0x21, 0x00, 0xe0, 0x48, 0x74,
> +    0x65, 0xaa, 0x63, 0x97, 0x68, 0x45, 0x68, 0xfa,
> +    0xec, 0x51, 0x64, 0xfe, 0x09, 0xc7, 0x5c, 0x65,
> +    0x5d, 0x93, 0x04, 0x17, 0x23, 0xbe, 0x1b, 0x2f,
> +    0x89, 0x5e, 0x02, 0xcd, 0x55, 0x02, 0x21, 0x00,
> +    0xe9, 0x24, 0xbd, 0x7a, 0xbd, 0x05, 0x89, 0x04,
> +    0x92, 0x2d, 0x67, 0x8d, 0x66, 0xa8, 0x9d, 0x7b,
> +    0xb1, 0x5b, 0xae, 0xd1, 0xd4, 0x7b, 0xe8, 0x72,
> +    0xe9, 0xd9, 0x45, 0xfd, 0xd3, 0x76, 0xbe, 0xfb,
> +};
> +
> +static const uint8_t exp_signature_ecdsa_p384[] = {
> +    0x30, 0x64, 0x02, 0x30, 0x3c, 0x79, 0x7f, 0x5a,
> +    0x91, 0x08, 0x79, 0xde, 0x6e, 0x03, 0x19, 0x39,
> +    0xcb, 0x94, 0x9c, 0xc6, 0x09, 0x12, 0xfa, 0xbd,
> +    0xa8, 0x35, 0x5e, 0x3f, 0x74, 0x05, 0x12, 0xd1,
> +    0x8e, 0xd9, 0x3c, 0x79, 0x9d, 0x7c, 0x1a, 0xae,
> +    0x96, 0x05, 0x0e, 0x35, 0x21, 0x73, 0xd8, 0xfe,
> +    0x1b, 0x43, 0x06, 0xb9, 0x02, 0x30, 0x11, 0xdf,
> +    0xa7, 0xba, 0x70, 0x84, 0x4b, 0x74, 0xab, 0x1e,
> +    0x9e, 0x6a, 0xc1, 0x46, 0xe3, 0x98, 0x0a, 0x25,
> +    0x82, 0xf5, 0xff, 0xb5, 0x6f, 0x04, 0xda, 0xc3,
> +    0xfd, 0x3e, 0xea, 0x96, 0x03, 0x0c, 0x22, 0xf2,
> +    0xda, 0x86, 0xeb, 0x91, 0x2f, 0x36, 0x13, 0xba,
> +    0x37, 0xcd, 0xe7, 0x91, 0x85, 0xf3,
> +};
> +
> +static const uint8_t exp_signature_ecdsa_p384_sha512[] = {
> +    0x30, 0x64, 0x02, 0x30, 0x04, 0xa2, 0x3e, 0xb0,
> +    0xc0, 0x1f, 0xa0, 0xbb, 0x19, 0x60, 0x56, 0x04,
> +    0x11, 0x95, 0xa9, 0x34, 0x0d, 0x0a, 0x80, 0x7f,
> +    0x5b, 0x08, 0xb3, 0xf9, 0x33, 0xc2, 0xd4, 0x6d,
> +    0x23, 0x0a, 0xed, 0x29, 0xca, 0x93, 0xba, 0x8c,
> +    0xee, 0xbf, 0x2d, 0xb8, 0x45, 0xda, 0xaf, 0x2f,
> +    0x2e, 0x5b, 0xda, 0x62, 0x02, 0x30, 0x2e, 0x6f,
> +    0xa4, 0x24, 0xf7, 0xcf, 0x58, 0xc3, 0xca, 0x29,
> +    0xd8, 0x0b, 0xe7, 0xb5, 0x88, 0xeb, 0x81, 0xbe,
> +    0x50, 0x2a, 0xd3, 0x37, 0xeb, 0x23, 0xcc, 0x55,
> +    0x6f, 0xf5, 0x02, 0xb9, 0xf9, 0xa1, 0x58, 0x2a,
> +    0x35, 0x00, 0xe9, 0x2f, 0xc8, 0x73, 0x5c, 0x27,
> +    0xbc, 0x4b, 0x8c, 0x0e, 0x4d, 0xde,
> +};
> +
> static const uint8_t test_plaintext[] = {
>    0x00, 0x44, 0xbc, 0x6f, 0x77, 0xfb, 0xe2, 0xa4,
>    0x98, 0x9e, 0xf5, 0x33, 0xa0, 0xbd, 0x81, 0xb9,
> @@ -870,7 +1051,114 @@ static QCryptoAkCipherTestData akcipher_test_data[] = {
>        .signature = exp_signature_rsa2048_pkcs1,
>        .slen = sizeof(exp_signature_rsa2048_pkcs1),
>    },
> +    {
> +        .path = "/crypto/akcipher/ecdsa-nist-p192-with-sha1",
> +        .opt = {
> +            .alg = QCRYPTO_AKCIPHER_ALG_ECDSA,
> +            .u.ecdsa = {
> +                .curve_id = QCRYPTO_CURVE_ID_NIST_P192,
> +            },
> +        },
> +        .pub_key = ecdsa_p192_public_key,
> +        .pub_key_len = sizeof(ecdsa_p192_public_key),
> +        .priv_key = ecdsa_p192_private_key,
> +        .priv_key_len = sizeof(ecdsa_p192_private_key),
> +
> +        .dgst = test_sha1_dgst,
> +        .dlen = sizeof(test_sha1_dgst),
> +        .signature = exp_signature_ecdsa_p192,
> +        .slen = sizeof(exp_signature_ecdsa_p192),
> +    },
> +    {
> +        .path = "/crypto/akcipher/ecdsa-nist-p192-with-sha512",
> +        .opt = {
> +            .alg = QCRYPTO_AKCIPHER_ALG_ECDSA,
> +            .u.ecdsa = {
> +                .curve_id = QCRYPTO_CURVE_ID_NIST_P192,
> +            },
> +        },
> +        .pub_key = ecdsa_p192_public_key,
> +        .pub_key_len = sizeof(ecdsa_p192_public_key),
> +        .priv_key = ecdsa_p192_private_key,
> +        .priv_key_len = sizeof(ecdsa_p192_private_key),
> +
> +        .dgst = test_sha512_dgst,
> +        .dlen = sizeof(test_sha512_dgst),
> +        .signature = exp_signature_ecdsa_p192_sha512,
> +        .slen = sizeof(exp_signature_ecdsa_p192_sha512),
> +    },
> +    {
> +        .path = "/crypto/akcipher/ecdsa-nist-p256-with-sha1",
> +        .opt = {
> +            .alg = QCRYPTO_AKCIPHER_ALG_ECDSA,
> +            .u.ecdsa = {
> +                .curve_id = QCRYPTO_CURVE_ID_NIST_P256,
> +            },
> +        },
> +        .pub_key = ecdsa_p256_public_key,
> +        .pub_key_len = sizeof(ecdsa_p256_public_key),
> +        .priv_key = ecdsa_p256_private_key,
> +        .priv_key_len = sizeof(ecdsa_p256_private_key),
> 
> +        .dgst = test_sha1_dgst,
> +        .dlen = sizeof(test_sha1_dgst),
> +        .signature = exp_signature_ecdsa_p256,
> +        .slen = sizeof(exp_signature_ecdsa_p256),
> +    },
> +    {
> +        .path = "/crypto/akcipher/ecdsa-nist-p256-with-sha512",
> +        .opt = {
> +            .alg = QCRYPTO_AKCIPHER_ALG_ECDSA,
> +            .u.ecdsa = {
> +                .curve_id = QCRYPTO_CURVE_ID_NIST_P256,
> +            },
> +        },
> +        .pub_key = ecdsa_p256_public_key,
> +        .pub_key_len = sizeof(ecdsa_p256_public_key),
> +        .priv_key = ecdsa_p256_private_key,
> +        .priv_key_len = sizeof(ecdsa_p256_private_key),
> +
> +        .dgst = test_sha512_dgst,
> +        .dlen = sizeof(test_sha512_dgst),
> +        .signature = exp_signature_ecdsa_p256_sha512,
> +        .slen = sizeof(exp_signature_ecdsa_p256_sha512),
> +    },
> +    {
> +        .path = "/crypto/akcipher/ecdsa-nist-p384-with-sha1",
> +        .opt = {
> +            .alg = QCRYPTO_AKCIPHER_ALG_ECDSA,
> +            .u.ecdsa = {
> +                .curve_id = QCRYPTO_CURVE_ID_NIST_P384,
> +            },
> +        },
> +        .pub_key = ecdsa_p384_public_key,
> +        .pub_key_len = sizeof(ecdsa_p384_public_key),
> +        .priv_key = ecdsa_p384_private_key,
> +        .priv_key_len = sizeof(ecdsa_p384_private_key),
> +
> +        .dgst = test_sha1_dgst,
> +        .dlen = sizeof(test_sha1_dgst),
> +        .signature = exp_signature_ecdsa_p384,
> +        .slen = sizeof(exp_signature_ecdsa_p384),
> +    },
> +    {
> +        .path = "/crypto/akcipher/ecdsa-nist-p384-with-sha512",
> +        .opt = {
> +            .alg = QCRYPTO_AKCIPHER_ALG_ECDSA,
> +            .u.ecdsa = {
> +                .curve_id = QCRYPTO_CURVE_ID_NIST_P384,
> +            },
> +        },
> +        .pub_key = ecdsa_p384_public_key,
> +        .pub_key_len = sizeof(ecdsa_p384_public_key),
> +        .priv_key = ecdsa_p384_private_key,
> +        .priv_key_len = sizeof(ecdsa_p384_private_key),
> +
> +        .dgst = test_sha512_dgst,
> +        .dlen = sizeof(test_sha512_dgst),
> +        .signature = exp_signature_ecdsa_p384_sha512,
> +        .slen = sizeof(exp_signature_ecdsa_p384_sha512),
> +    },
> };
> 
> static void test_akcipher(const void *opaque)
> @@ -879,6 +1167,8 @@ static void test_akcipher(const void *opaque)
>    g_autofree uint8_t *plaintext = NULL;
>    g_autofree uint8_t *ciphertext = NULL;
>    g_autofree uint8_t *signature = NULL;
> +    int signature_len, ciphertext_len, plaintext_len;
> +    int max_plen, max_slen, max_clen;
>    QCryptoAkCipher *pub_key, *priv_key;
> 
>    if (!qcrypto_akcipher_supports((QCryptoAkCipherOptions *)&data->opt)) {
> @@ -894,32 +1184,41 @@ static void test_akcipher(const void *opaque)
>                                    data->priv_key, data->priv_key_len,
>                                    &error_abort);
>    g_assert(priv_key != NULL);
> +    max_plen = qcrypto_akcipher_max_plaintext_len(pub_key);
> +    max_clen = qcrypto_akcipher_max_plaintext_len(pub_key);
> +    max_slen = qcrypto_akcipher_max_signature_len(priv_key);
> 
>    if (data->plaintext != NULL) {
> 
> -        ciphertext = g_new0(uint8_t, data->clen);
> -        g_assert(qcrypto_akcipher_encrypt(pub_key, data->plaintext, 
> data->plen,
> -                                          ciphertext, data->clen,
> -                                          &error_abort) > 0);
> +        ciphertext = g_new0(uint8_t, max_clen);
> +        ciphertext_len = qcrypto_akcipher_encrypt(pub_key,
> +                                                  data->plaintext, 
> data->plen,
> +                                                  ciphertext, max_clen,
> +                                                  &error_abort);
> +        g_assert(ciphertext_len > 0);
> 
>        /**
>         * In the asymmetric encryption algorithms, the ciphertext generated
>         * each time may be different, here only compare the decrypted
>         * plaintext
>         */
> -        plaintext = g_new0(uint8_t, data->clen);
> -        g_assert(qcrypto_akcipher_decrypt(priv_key, ciphertext,
> -                                          data->clen, plaintext,
> -                                          data->plen,
> -                                          &error_abort) == data->plen);
> +        plaintext = g_new0(uint8_t, max_plen);
> +        plaintext_len = qcrypto_akcipher_decrypt(priv_key,
> +                                                 ciphertext, ciphertext_len,
> +                                                 plaintext, max_plen,
> +                                                 &error_abort);
> +        g_assert(plaintext_len == data->plen);
>        g_assert(!memcmp(plaintext, data->plaintext, data->plen));
>    }
> 
>    if (data->signature != NULL) {
> -        signature = g_new(uint8_t, data->slen);
> -        g_assert(qcrypto_akcipher_sign(priv_key, data->dgst, data->dlen,
> -                                       signature, data->slen,
> -                                       &error_abort) > 0);
> +        signature = g_new(uint8_t, max_slen);
> +        signature_len = qcrypto_akcipher_sign(priv_key,
> +                                              data->dgst, data->dlen,
> +                                              signature, max_slen,
> +                                              &error_abort);
> +        g_assert(signature_len > 0);
> +
>        /**
>         * The signature generated each time may be different, here only check
>         * the verification.
> @@ -927,12 +1226,21 @@ static void test_akcipher(const void *opaque)
>        g_assert(qcrypto_akcipher_verify(pub_key, data->signature, data->slen,
>                                         data->dgst, data->dlen,
>                                         &error_abort) == 0);
> -        g_assert(qcrypto_akcipher_verify(pub_key, signature, data->slen,
> +        g_assert(qcrypto_akcipher_verify(pub_key, signature, signature_len,
> +                                         data->dgst, data->dlen,
> +                                         &error_abort) == 0);
> +
> +        g_assert(qcrypto_akcipher_verify(priv_key, data->signature, 
> data->slen,
> +                                         data->dgst, data->dlen,
> +                                         &error_abort) == 0);
> +        g_assert(qcrypto_akcipher_verify(priv_key, signature, signature_len,
>                                         data->dgst, data->dlen,
>                                         &error_abort) == 0);
>        ++signature[0];
>        /* Here error should be ignored */
> -        g_assert(qcrypto_akcipher_verify(pub_key, signature, data->slen,
> +        g_assert(qcrypto_akcipher_verify(pub_key, signature, signature_len,
> +                                         data->dgst, data->dlen, NULL) != 0);
> +        g_assert(qcrypto_akcipher_verify(priv_key, signature, signature_len,
>                                         data->dgst, data->dlen, NULL) != 0);
>    }
> 
> -- 
> 2.11.0
> 


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